Lake Michigan | Depth, Freshwater, Size, & Map

<!doctype html> <html lang="en" class="topic-desktop ui-ie7 ui-ie"> <head prefix="og: https://ogp.me/ns# fb: https://ogp.me/ns/fb#"> <meta charset="utf-8"> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <link rel="dns-prefetch" href="https://cdn.britannica.com/mendel-resources/3-130"> <link rel="preconnect" href="https://cdn.britannica.com/mendel-resources/3-130"> <link rel="preload" as="script" href="https://www.googletagservices.com/tag/js/gpt.js" /> <link rel="icon" href="/favicon.png" /> <meta name="description" content="Lake Michigan, third largest of the five Great Lakes of North America and the only one lying wholly within the United States. Bordered by the states of Michigan (east and north), Wisconsin (west), Illinois (southwest), and Indiana (southeast), it connects with Lake Huron through the Straits of" /> <meta name="keywords" content="Lake Michigan, encyclopedia, encyclopeadia, britannica, article" /> <link rel="canonical" href="https://www.britannica.com/place/Lake-Michigan" /> <title>Lake Michigan | Depth, Freshwater, Size, & Map | Britannica</title> <script type="text/javascript" data-type="Init Mendel"> window.$UI = {}; window.Constants = {"LICENSE_URL": "/bps/license","DEFAULT_TEST_VERSION": "A","DEFAULT_STATE": "XX","QUIZ_URL": "/quiz","SPOTLIGHT_BROWSE_URL": "/stories/spotlight","CONTENT_TYPE_TEXT": "text/plain;charset=UTF-8","TOPIC_FACTS_DATA_URL": "/facts","QUIZ_BROWSE_IMAGE_QUIZZES": "images","TOPIC_MEDIA_PATH": "/images-videos","USER_PROFILE_URL": "/user","DEBUG_URL": "/debug","ONE_GOOD_FACT_URL": "/one-good-fact","ERROR_404_URL": "/error404","PROCON_CITED_IN_THE_NEWS_URL": "/procon/ProCon-in-the-News","PROCON_URL": "/procon","TOPIC_PAGE_CONTENT_AJAX_URL": "/topic-content/page","INFINITE_SCROLL_PREFIX_URL": "/scroll","TOPIC_TOP_QUESTION_BROWSE_URL": "/questions","CC_USD": "USD","domain": "britannica.com","SURVEY_URL": "/survey","CATEGORY_BROWSE_URL": "/browse","STORY_BROWSE_URL": "/stories","COUNTRY_US": "US","OPEN_MEDIA_OVERLAY_PARAMETER": "/media","NEWSLETTER_SUBSCRIPTION_URL": "/newsletter-subscription","MAINTENANCE_ERROR_URL": "https://maintenance.eb.com","IMARS_EDITOR_ID": "12365882","PROFILE_EB_EDITOR_URL": "/editor","WEB_INF_RESOURCES_PATH": "WEB-INF/resources","AI_ABOUT_PAGE_URL": "/about-britannica-ai","TOPIC_ADDITIONAL_INFO_PATH": "/additional-info","SUDOKU_GAME_URL": "/games/sudoku","CC_INR": "INR","ARTICLE_PRINT_URL": "/print/article","FIRST_EDITION_URL": "/subscriber/firstedition","WW1_PORTAL_URL": "/discover/World-War-I","MENDEL_COOKIE": "__mendel","DEMYSTIFIED_BROWSE_URL": "/stories/demystified","LIST_BROWSE_URL": "/list/browse","PROFILE_EXPERT_URL": "/contributor","ASSEMBLY_IMAGE_URL": "/image/assembly","DAY_IN_HISTORY_URL": "/on-this-day","DEFAULT_CURRENCY": "USD","CONTENT_TYPE_XML": "text/xml;charset=UTF-8","PORTAL_FINANCE_BROWSE_URL_PREFIX": "/money/browse","MONEY_IMARS_CATEGORY": "13000","AJAX_PREFIX_URL": "/ajax","TOPIC_BROWSE_URL": "/topic-browse","MARKETING_CONTENT": "/marketing-content","ENV_RUNTIME": "runtime","GALLERY_URL": "/gallery","topicUrlClassesList": "topic|animal|art|biography|event|place|plant|science|sports|technology|procon","CONTENT_TYPE_HTML": "text/html;charset=UTF-8","ENV_LOCAL": "override","MEDIA_OVERLAY_URL": "/media-overlay","CHATBOT_PAGE_URL": "/chatbot","NEWSLETTER_PAGE_URL": "/newsletters","ENV_DEV": "development","MEDIA_URL": "/media","TOPIC_TOP_QUESTION_URL": "/question","PORTAL_FINANCE_URL_PREFIX": "/money","PODCASTS_URL": "/podcasts","STAND_ALONE_VIDEO_URL": "/video","MORE_ON_THIS_DAY_URL": "/more-on-this-day","TOPIC_QUOTES_URL": "/quotes","SEARCH_PAGE_URL": "/search","PROCON_CLASS": "PROCON","KUSTOM_MENDEL_APPLICATION_ID": "1","TOPIC_CONTENT_AJAX_URL": "/topic-content/topic","ENV_BRANCH": "branch","ERROR_URL": "/error","MAIN_VERSION": "mainVersion","DEFAULT_S3_REGION": "US_EAST_1","TOPIC_COLLECTION_URL": "/summary","LOGINBOX_URL": "/auth/loginbox","ONE_GOOD_FACT_BROWSE_URL": "/one-good-fact/all-good-facts","QUIZ_BROWSE_URL": "/quiz/browse","BIO_BROWSE_URL": "/browse/biographies","LIST_URL": "/list","TIGHTROPE_QUIZ_URL": "/quiz/tightrope","ALPHA_BROWSE_URL": "/sitemap","CONTENT_TYPE_JSON": "application/json","DICTIONARY_URL": "/dictionary","COBRAND_IMAGE_URL": "/image/cobrand","PROCON_IN_THE_NEWS_URL": "/procon/pro-and-con-issues-in-the-news","PROCON_BROWSE_URL": "/procon","QUIZ_BROWSE_VOCAB_QUIZZES": "vocabulary-quizzes","SUBMISSION_URL": "/submission","EB_LOG_OUT": "/auth2/logout","ENV_PRODUCTION": "production","EXPLORE_PORTAL_URL": "/explore","TOPIC_AJAX_URL": "/ajax/topic","TOPIC_SUMMARY_BROWSE_URL": "/summaries","WTFACT_BROWSE_URL": "/stories/wtfact","VIDEO_CHANNEL_URL": "/videos","GALLERY_BROWSE_URL": "/gallery/browse","CACHE_URL": "/cache","PROCON_ABOUT_URL": "/procon/About-ProCon","COMPANION_BROWSE_URL": "/stories/companion","MEDIA_FOLDER": "/eb-media","SHOW_ALL_CONTRIBUTORS": "/additional-info#contributors","BRITANNICA_EDITORS_ID": "4419","ENV_CACHE_DISABLED": "mendelCache","CALCULATORS_BROWSE_URL": "/calculators","STORY_URL": "/story","DEFAULT_COUNTRY": "US","NAVBAR_URL": "/ajax/navbar","EB_LOGIN_URL": "/auth/eb-login","NEW_ARTICLES_URL": "/new-articles",}; window.CDN = "https://cdn.britannica.com"; window.CAM_LOGIN_URL = "https://cam.britannica.com"; window.CAM_SIGN_UP_URL = "https://cam.britannica.com/registration" window.Mendel = { "config" : { "domain": "britannica.com", "page": "Topic", "videoPlayerId": "UyMCoK2v", "sharedUrl": "https://www.britannica.com/place/Lake-Michigan", "amuselabsUrl": "https://cdn3.amuselabs.com", "resourcesPrefixUrl": "https://cdn.britannica.com/mendel-resources/3-130/[url]?v=3.130.14", "date": 20241124, "userInfo": { "type": "ANONYMOUS" ,"currency": "AUUS" ,"country": "SG" ,"state": "XX" ,"timezone": "Asia/Singapore" ,"bcomId": "-3985471379685945613" ,"hasAds": true ,"testVersion": "A" ,"adsTestVersion": "A" ,"consumerId": "" ,"instId": "" ,"consumerUserName": "" ,"instUserName": "" ,"cognito": null }, "tvs":{ "r":[25,25,25,25], "a": [25,25,25,25]}, "isLoggedInAsUser": false, "isPhone": false, "isDesktop": true, "logoutUrl": "/auth2/logout", "selfServiceUrl": "https://myaccount.britannica.com", "cdnUrl": "https://cdn.britannica.com", "chatbotApi": "https://www.britannica.com/chat-api", "fetchOffset": 800, "mendelCookieName": "__mendel", "mendelCookie": {"surveyShown":false,"visitedTopicId":380110,"currentDate":20241124}, "autocompleteToSearchPage": false,"topicUrl": "https://www.britannica.com/place/Lake-Michigan" ,"freeTopicReason": "PERMANENT_FREE_TOPIC" ,"topicId": 380110 ,"template": "DESKTOP" ,"type": "CORE" ,"hasToc": false ,"chatbotApi": "https://www.britannica.com/chat-api" ,"showPreview": false ,"infiniteScrollList": [{"p":1,"t":380110},{"p":4,"t":243396},{"p":1,"t":530603},{"p":16,"t":235402},{"p":1,"t":454077},{"p":1,"t":119455},{"p":164,"t":215768},{"p":8,"t":216231},{"p":1,"t":219104},{"p":12,"t":443621}] ,"sequence": 1 ,"topics": {} }, "GA": {"leg":"A","adLeg":"A","userType":"ANONYMOUS","pageType":"Topic","articleTemplateType":"MEDIUM","gisted":false,"pageNumber":1,"hasSummarizeButton":false,"hasAskButton":false} }; </script> <meta property="fb:app_id" content="1887621861548296"/ <meta name="twitter:card" content="summary_large_image" /> <meta name="twitter:site" content="@britannica" /> <meta name="twitter:image" content="https://cdn.britannica.com/61/4861-050-2637CC98/Beach-shore-Indiana-Dunes-State-Park-Lake.jpg" /> <meta name="twitter:description" content="Lake Michigan, third largest of the five Great Lakes of North America and the only one lying wholly within the United States. Bordered by the states of Michigan (east and north), Wisconsin (west), Illinois (southwest), and Indiana (southeast), it connects with Lake Huron through the Straits of"/> <meta property="og:type" content="ARTICLE"/> <meta property="og:title" content="Lake Michigan | Depth, Freshwater, Size, & Map | Britannica"/> <meta property="og:description" content="Lake Michigan, third largest of the five Great Lakes of North America and the only one lying wholly within the United States. Bordered by the states of Michigan (east and north), Wisconsin (west), Illinois (southwest), and Indiana (southeast), it connects with Lake Huron through the Straits of"/> <meta property="og:site_name" content="Encyclopedia Britannica" /> <meta property="og:url" content="https://www.britannica.com/place/Lake-Michigan"/> <meta property="og:image" content="https://cdn.britannica.com/61/4861-050-2637CC98/Beach-shore-Indiana-Dunes-State-Park-Lake.jpg" /> <meta property="og:image:type" content="image/jpeg" /> <script type="text/javascript" data-type="init opengraph"> Mendel.openGraph = {"type":"ARTICLE","title":"Lake Michigan | Depth, Freshwater, Size, & Map","description":"Lake Michigan, third largest of the five Great Lakes of North America and the only one lying wholly within the United States. Bordered by the states of Michigan (east and north), Wisconsin (west), Illinois (southwest), and Indiana (southeast), it connects with Lake Huron through the Straits of","imageUrl":"https://cdn.britannica.com/61/4861-050-2637CC98/Beach-shore-Indiana-Dunes-State-Park-Lake.jpg","imageType":"image/jpeg","pageUrl":"https://www.britannica.com/place/Lake-Michigan"}</script> <link rel="preconnect" href="https://fonts.googleapis.com/"> <link rel="dns-prefetch" href="https://fonts.googleapis.com/" > <link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Icons"> <link href="https://cdn.britannica.com/mendel-resources/3-130/dist/vendor-bundle.css?v=3.130.14" rel="stylesheet" /> <link href="https://cdn.britannica.com/mendel-resources/3-130/dist/mendel-css.css?v=3.130.14" rel="stylesheet" /> <link href="https://cdn.britannica.com/mendel-resources/3-130/dist/topic-page.css?v=3.130.14" rel="stylesheet" /> <script type="text/javascript"> if (self !== top) { top.location = self.location; } // if ('scrollRestoration' in history) { history.scrollRestoration = 'manual'; } </script> <script src="https://cdn.britannica.com/mendel-resources/3-130/js/at.js?v=3.130.14" async ></script> <script> dataLayer = []; </script> <script type="text/javascript">(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start': new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0], j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src= '//www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f); })(window,document,'script','dataLayer','GTM-5W6NC8'); </script> <meta name="last-modified" content="2024-11-23" /> <script type="application/ld+json"> {"headline":"Lake Michigan | Depth, Freshwater, Size, & Map","image":{"url":"https://cdn.britannica.com/61/4861-050-2637CC98/Beach-shore-Indiana-Dunes-State-Park-Lake.jpg","@type":"ImageObject"},"author":[{"name":"The Editors of Encyclopaedia Britannica","url":"https://www.britannica.com/editor/The-Editors-of-Encyclopaedia-Britannica/4419","@type":"Person"}],"keywords":"Lake Michigan","wordcount":676,"url":"https://www.britannica.com/place/Lake-Michigan","datePublished":"1999-05-27T00:00:00Z","dateModified":"2024-11-23T00:00:00Z","description":"Lake Michigan, third largest of the five Great Lakes of North America and the only one lying wholly within the United States. Bordered by the states of Michigan (east and north), Wisconsin (west), Illinois (southwest), and Indiana (southeast), it connects with Lake Huron through the Straits of","publisher":{"name":"Encyclopedia Britannica","@type":"Organization","logo":{"url":"https://corporate.britannica.com/wp-content/themes/eb-corporate/_img/logo.png","@type":"ImageObject"}},"@context":"https://schema.org","@type":"article"} </script></head> <body data-leg="A" class="new-topic topic-desktop first-page-true user-ANONYMOUS user-ads md-desktop leg-ab-ie">  <script>Mendel.config.adProvider='ay';</script> <script async src="https://securepubads.g.doubleclick.net/tag/js/gpt.js"></script> <script> window.googletag = window.googletag || {cmd: []}; googletag.cmd.push(function() { googletag.defineSlot('/15510053/CMP_1x1', [1, 1], 'div-gpt-ad-1709766812090-0').addService(googletag.pubads()); googletag.pubads().enableSingleRequest(); googletag.enableServices(); }); </script> <script async defer src="https://launchpad-wrapper.privacymanager.io/0ccc6fe8-1870-4ad8-b47b-6d029ac116fc/launchpad-liveramp.js"></script> <script async src="https://JRyhoywLYXNLYMAhs.ay.delivery/manager/JRyhoywLYXNLYMAhs" type="text/javascript" referrerpolicy="no-referrer-when-downgrade" ></script><div class="ie-warning d-flex align-items-center align-self-center justify-content-center site-alert bg-orange"> <div> You are using an <strong>outdated</strong> browser. Please <a class="text-white text-underscore" href="https://browsehappy.com/">upgrade your browser</a> to improve your experience and security. </div> </div> <script id="json-navbar-info" type="application/json"> {"topSectionLinks":[{"title":"Ask the Chatbot","url":"/chatbot","navbarId":"CHATBOT"},{"title":"Games & Quizzes","url":"/quiz/browse","navbarId":"QUIZZES"},{"title":"ProCon","url":"/procon","navbarId":"PROCON"},{"title":"History & Society","url":"/History-Society","navbarId":"HISTORY"},{"title":"Science & Tech","url":"/Science-Tech","navbarId":"SCIENCE"},{"title":"Biographies","url":"/Biographies","navbarId":"BIOS"},{"title":"Animals & Nature","url":"/Animals-Nature","navbarId":"ANIMALS"},{"title":"Geography & Travel","url":"/Geography-Travel","selected":true,"navbarId":"GEOGRAPHY"},{"title":"Arts & Culture","url":"/Arts-Culture","navbarId":"ART"},{"title":"Money","url":"/money","navbarId":"MONEY"},{"title":"Videos","url":"/videos","navbarId":"VIDEOS"}],"selectedSuperCategory":{"id":4,"title":"Geography & Travel","url":"Geography-Travel","description":"Explore geography and travel; geographic regions; historical places; people of the world; countries, states, provinces, cities, and towns; languages; deserts, islands, mountains, plateaus; lakes, oceans, seas, rivers; national parks, tourist attractions","keywords":"geographic regions; historical places; people of the world; countries, states, provinces, cities, and towns; languages; deserts, islands, mountains, plateaus; lakes, oceans, seas, rivers; national parks, tourist attractions ","classId":"GEOGRAPHY","sortOrder":5},"selectedNavbarLink":{"title":"Geography & Travel","url":"/Geography-Travel","selected":true,"navbarId":"GEOGRAPHY"}} </script> <script id="json-hamburger-menu" type="application/json"> {"britannicaMenu1":[{"title":"Home","url":"/"},{"title":"ProCon","url":"/procon"},{"title":"History & Society","url":"/History-Society"},{"title":"Science & Tech","url":"/Science-Tech"},{"title":"Biographies","url":"/Biographies"},{"title":"Animals & Nature","url":"/Animals-Nature"},{"title":"Geography & Travel","url":"/Geography-Travel"},{"title":"Arts & Culture","url":"/Arts-Culture"},{"title":"Money","url":"/money"}],"britannicaMenu2":[{"title":"Games & Quizzes","url":"/quiz/browse"},{"title":"Videos","url":"/videos"},{"title":"On This Day","url":"/on-this-day"},{"title":"One Good Fact","url":"/one-good-fact"},{"title":"Dictionary","url":"/dictionary"},{"title":"New Articles","url":"/new-articles"}],"browseByCategory":[{"title":{"id":5,"title":"History & Society","url":"/History-Society"},"links":[{"title":"Lifestyles & Social Issues","url":"/browse/Lifestyles-Social-Issues"},{"title":"Philosophy & Religion","url":"/browse/Philosophy-Religion"},{"title":"Politics, Law & Government","url":"/browse/Politics-Law-Government"},{"title":"World History","url":"/browse/World-History"}]},{"title":{"id":6,"title":"Science & Tech","url":"/Science-Tech"},"links":[{"title":"Health & Medicine","url":"/browse/Health-Medicine"},{"title":"Science","url":"/browse/Science"},{"title":"Technology","url":"/browse/Technology"}]},{"title":{"id":3,"title":"Biographies","url":"/Biographies"},"links":[{"title":"Browse Biographies","url":"/browse/biographies"}]},{"title":{"id":1,"title":"Animals & Nature","url":"/Animals-Nature"},"links":[{"title":"Birds, Reptiles & Other Vertebrates","url":"/browse/Birds-Reptiles-Vertebrates"},{"title":"Bugs, Mollusks & Other Invertebrates","url":"/browse/Bugs-Mollusks-Invertebrates"},{"title":"Environment","url":"/browse/Environment"},{"title":"Fossils & Geologic Time","url":"/browse/Fossil-Geologic-Time"},{"title":"Mammals","url":"/browse/Mammals"},{"title":"Plants","url":"/browse/Plants"}]},{"title":{"id":4,"title":"Geography & Travel","url":"/Geography-Travel"},"links":[{"title":"Geography & Travel","url":"/browse/Geography-Travel"}]},{"title":{"id":2,"title":"Arts & Culture","url":"/Arts-Culture"},"links":[{"title":"Entertainment & Pop Culture","url":"/browse/Entertainment-Pop-Culture"},{"title":"Literature","url":"/browse/Literature"},{"title":"Sports & Recreation","url":"/browse/Sports-Recreation"},{"title":"Visual Arts","url":"/browse/Visual-Arts"}]}],"browseByFeature":[{"title":"Companions","url":"/stories/companion"},{"title":"Demystified","url":"/stories/demystified"},{"title":"Image Galleries","url":"/gallery/browse"},{"title":"Lists","url":"/list/browse"},{"title":"Podcasts","url":"/podcasts"},{"title":"Spotlight","url":"/stories/spotlight"},{"title":"Summaries","url":"/summary"},{"title":"The Forum","url":"/stories/the-forum"},{"title":"Top Questions","url":"/question"},{"title":"#WTFact","url":"/stories/wtfact"}],"moreFromBritannica":[{"title":"Britannica Kids","url":"https://kids.britannica.com/","newTab":true}],"menuType":"DEFAULT"} </script> <header id="header" class="bg-navy-dark"> <div class="global-nav-top-bar"> <div class="grid gx-0 h-100 justify-content-between align-items-center container-lg mx-auto p-0 position-relative"> <div class="d-flex align-items-center"> <button class="d-flex align-items-center justify-self-start js-toggle js-toggle-hamburger btn btn-link link-white btn-sm rounded-0 p-10"> <div class="hamburger-tooltip"> <em class="material-icons d-inline-block font-24" id="nav-toggle" data-icon="menu"></em> </div> <em class="material-icons d-inline-block font-24 global-nav-search-icon" id="nav-search-icon" data-icon="search" ></em> </button> <a href="/" class="d-flex align-items-center justify-content-center ml-10"> <img loading="lazy" src="https://cdn.britannica.com/mendel/eb-logo/MendelNewThistleLogo.png" alt="Encyclopedia Britannica" class="global-nav-logo global-nav-logo-left" /> </a> <div class="global-nav-top-search-bar global-nav-top-search-container global-nav-search-container" id="global-nav-top-search-bar"> <form method="get" action="/search" id="global-nav-search" class="md-search-form m-0 global-nav-search-bar-small"> <div class="search-box position-relative col-100"> <label class="sr-only" for="global-nav-search-query">Search Britannica</label> <input name="query" id="global-nav-search-query" placeholder="Search Britannica..." class="form-control form-control-lg rounded-lg font-16 search-query pl-20 pr-70 shadow-sm" maxlength="200" autocomplete="off" aria-label="Search Britannica" /> <button class="search-reset-btn btn btn-link px-10 position-absolute top-0 h-100 d-none" type="reset"> <em class="material-icons" data-icon="close"></em> </button> <button class="search-submit btn btn-link text-blue px-10 position-absolute top-0 right-0 h-100" type="submit" disabled> <span class="sr-only">Click here to search</span> <em class="material-icons search-icon" data-icon="search"></em> </button> </div> </form> </div> </div> <a href="/" class="d-flex align-items-center justify-content-center"> <img loading="lazy" src="https://cdn.britannica.com/mendel/eb-logo/MendelNewThistleLogo.png" alt="Encyclopedia Britannica" class="global-nav-center global-nav-logo non-homepage-logo" /> </a> <form method="get" action="/search" id="global-nav-search" class="md-search-form m-0 global-nav-search-bar-small global-nav-center search global-nav-center-search-container"> <div class="search-box position-relative col-100"> <label class="sr-only" for="global-nav-search-query">Search Britannica</label> <input name="query" id="global-nav-search-query" placeholder="Search Britannica..." class="form-control form-control-lg rounded-lg font-16 search-query pl-20 pr-70 shadow-sm" maxlength="200" autocomplete="off" aria-label="Search Britannica" /> <button class="search-reset-btn btn btn-link px-10 position-absolute top-0 h-100 d-none" type="reset"> <em class="material-icons" data-icon="close"></em> </button> <button class="search-submit btn btn-link text-blue px-10 position-absolute top-0 right-0 h-100" type="submit" disabled> <span class="sr-only">Click here to search</span> <em class="material-icons search-icon" data-icon="search"></em> </button> </div> </form> <div class="col-35 col-sm-auto text-right order-3 mr-lg-15 align-items-center d-flex justify-content-end"> <div class="d-none d-md-inline-block"> <SPAN class="marketing-HEADER_SUBSCRIPTION_DESKTOP2 marketing-content" data-marketing-id="HEADER_SUBSCRIPTION_DESKTOP2"><a href="https://subscription.britannica.com/subscribe?partnerCode=BP_Black_Friday_AUUS" class="subscribe-link btn btn-sm btn-outline-white-orange py-5 mr-10" target="_blank" rel="noopener"> Subscribe </a></SPAN></div> <div class="d-inline-block d-md-none mr-5 mr-sm-10"> <SPAN class="marketing-HEADER_SUBSCRIPTION_MOBILE marketing-content" data-marketing-id="HEADER_SUBSCRIPTION_MOBILE"><a href="https://subscription.britannica.com/subscribe?partnerCode=BP_Black_Friday_AUUS" class="subscribe-link btn btn-xs btn-orange-dark p-5" target="_blank" rel="noopener"> Subscribe </a></SPAN></div> <button class="js-toggle-user-dropdown js-toggle btn btn-sm btn-link link-white rounded-0 px-md-15 pl-5 pr-5"> <span class="d-none d-md-inline-block mr-5">Login</span> <em class="material-icons d-inline-block d-md-none font-16 font-sm-20" data-icon="account_circle"></em> <div class="d-none dropdown-menu-subscription-link">https://subscription.britannica.com/subscribe?partnerCode=BP_Black_Friday_AUUS</div> <em class="material-icons inactive-icon d-inline-block font-18" data-icon="keyboard_arrow_down"></em> <em class="material-icons active-icon d-inline-block font-18" data-icon="keyboard_arrow_up"></em> </button> </div> </div> </div> <div class="d-none hamburger-menu-subscription-link"><DIV class="marketing-HAMBURGER_MENU_CTA marketing-content" data-marketing-id="HAMBURGER_MENU_CTA"><a href="https://premium.britannica.com/premium-membership/?utm_source=premium&utm_medium=hamburger-menu&utm_campaign=black-friday-2024" class="subscribe-link btn btn-sm btn-orange py-5" target="_blank"> Subscribe <span class="d-none d-md-inline"> Now</span> </a></DIV></div> <div id="global-nav-react"> <div class="d-none"> <ul> <li><a href="/">Home</a></li> <li><a href="/procon">ProCon</a></li> <li><a href="/History-Society">History & Society</a></li> <li><a href="/Science-Tech">Science & Tech</a></li> <li><a href="/Biographies">Biographies</a></li> <li><a href="/Animals-Nature">Animals & Nature</a></li> <li><a href="/Geography-Travel">Geography & Travel</a></li> <li><a href="/Arts-Culture">Arts & Culture</a></li> <li><a href="/money">Money</a></li> </ul> <ul> <li><a href="/quiz/browse">Games & Quizzes</a></li> <li><a href="/videos">Videos</a></li> <li><a href="/on-this-day">On This Day</a></li> <li><a href="/one-good-fact">One Good Fact</a></li> <li><a href="/dictionary">Dictionary</a></li> <li><a href="/new-articles">New Articles</a></li> </ul> <a href="/History-Society">History & Society</a> <ul> <li><a href="/browse/Lifestyles-Social-Issues">Lifestyles & Social Issues</a></li> <li><a href="/browse/Philosophy-Religion">Philosophy & Religion</a></li> <li><a href="/browse/Politics-Law-Government">Politics, Law & Government</a></li> <li><a href="/browse/World-History">World History</a></li> </ul> <a href="/Science-Tech">Science & Tech</a> <ul> <li><a href="/browse/Health-Medicine">Health & Medicine</a></li> <li><a href="/browse/Science">Science</a></li> <li><a href="/browse/Technology">Technology</a></li> </ul> <a href="/Biographies">Biographies</a> <ul> <li><a href="/browse/biographies">Browse Biographies</a></li> </ul> <a href="/Animals-Nature">Animals & Nature</a> <ul> <li><a href="/browse/Birds-Reptiles-Vertebrates">Birds, Reptiles & Other Vertebrates</a></li> <li><a href="/browse/Bugs-Mollusks-Invertebrates">Bugs, Mollusks & Other Invertebrates</a></li> <li><a href="/browse/Environment">Environment</a></li> <li><a href="/browse/Fossil-Geologic-Time">Fossils & Geologic Time</a></li> <li><a href="/browse/Mammals">Mammals</a></li> <li><a href="/browse/Plants">Plants</a></li> </ul> <a href="/Geography-Travel">Geography & Travel</a> <ul> <li><a href="/browse/Geography-Travel">Geography & Travel</a></li> </ul> <a href="/Arts-Culture">Arts & Culture</a> <ul> <li><a href="/browse/Entertainment-Pop-Culture">Entertainment & Pop Culture</a></li> <li><a href="/browse/Literature">Literature</a></li> <li><a href="/browse/Sports-Recreation">Sports & Recreation</a></li> <li><a href="/browse/Visual-Arts">Visual Arts</a></li> </ul> <ul> <li><a href="/stories/companion">Companions</a></li> <li><a href="/stories/demystified">Demystified</a></li> <li><a href="/gallery/browse">Image Galleries</a></li> <li><a href="/list/browse">Lists</a></li> <li><a href="/podcasts">Podcasts</a></li> <li><a href="/stories/spotlight">Spotlight</a></li> <li><a href="/summary">Summaries</a></li> <li><a href="/stories/the-forum">The Forum</a></li> <li><a href="/question">Top Questions</a></li> <li><a href="/stories/wtfact">#WTFact</a></li> </ul> <ul> <li><a href="https://kids.britannica.com/">Britannica Kids</a></li> </ul> </div> </div> </header> <div class="bg-navy-dark"> <div class="container-lg p-0 d-flex justify-content-center global-nav-categories-bar overflow-hidden"> <div class="slider js-slider position-relative d-inline-flex align-items-center mw-100 global-nav-slider category-snap-slider"> <div class="slider-container js-slider-container overflow-hidden d-flex font-14 overflow-hidden text-nowrap mx-5"> <a class="nav-bar-category mx-5 category-link-CHATBOT " href="/chatbot">Ask the Chatbot</a> <a class="nav-bar-category mx-5 category-link-QUIZZES " href="/quiz/browse">Games & Quizzes</a> <a class="nav-bar-category mx-5 category-link-PROCON " href="/procon">ProCon</a> <a class="nav-bar-category mx-5 category-link-HISTORY " href="/History-Society">History & Society</a> <a class="nav-bar-category mx-5 category-link-SCIENCE " href="/Science-Tech">Science & Tech</a> <a class="nav-bar-category mx-5 category-link-BIOS " href="/Biographies">Biographies</a> <a class="nav-bar-category mx-5 category-link-ANIMALS " href="/Animals-Nature">Animals & Nature</a> <a class="nav-bar-category mx-5 category-link-GEOGRAPHY selected selected" href="/Geography-Travel">Geography & Travel</a> <a class="nav-bar-category mx-5 category-link-ART " href="/Arts-Culture">Arts & Culture</a> <a class="nav-bar-category mx-5 category-link-MONEY " href="/money">Money</a> <a class="nav-bar-category mx-5 category-link-VIDEOS " href="/videos">Videos</a> </div> <button disabled class="prev-button js-prev-button position-absolute btn btn-circle shadow btn-blue " aria-label="Previous"> <span class="material-icons md-24" data-icon="keyboard_arrow_left"></span> </button> <button disabled class="next-button js-next-button position-absolute btn btn-circle shadow btn-blue " aria-label="Next"> <span class="material-icons md-24" data-icon="keyboard_arrow_right"></span> </button> </div> </div> </div> <main> <div class="md-page-wrapper"> <div id="content" class="md-content"> <div class="md-article-container template-desktop"> <div class="infinite-scroll-container article last"> <article class="article-content container-lg qa-content px-0 pt-0 pb-40 py-lg-20 content " data-topic-id="380110"> <div class="grid gx-0"> <div class="col-auto"> <div class="topic-left-rail md-article-drawer position-relative d-flex border-right-sm border-left-sm open"> <div class="drawer d-flex flex-column open"> <div class="left-rail-section-content"> <div class="topic-left-rail-header text-truncate bg-gray-50 position-relative text-right d-flex align-items-center"> <div class="tlr-title px-20 py-15 text-left"> <em class="material-icons text-gray-400 d-lg-none" data-icon="toc"></em> <a class="font-serif font-weight-bold text-black link-blue" href="https://www.britannica.com/place/Lake-Michigan">Lake Michigan</a> </div> <button aria-label="Close" class="js-sections-close-button btn-link btn-sm btn d-lg-none position-absolute top-0 p-10 right-0" > <em class="material-icons font-26" data-icon="close"></em> </button> </div> <div class="section-content pl-10 pr-20 pl-sm-50 pr-sm-60 pl-lg-5 pr-lg-10 pt-10 pt-lg-0 bg-gray-50 clear-catfish-ad"> <div class="toc mb-20"> <div class="font-serif font-14 font-weight-bold mx-15 mb-15 mt-20"> Table of Contents </div> <span class="toc-extra-link selected link-gray-900 mt-15"> Introduction </span> <a class="toc-extra-link link-gray-900" href="https://www.britannica.com/place/Lake-Michigan/additional-info">References & Edit History</a> <a class="toc-extra-link link-gray-900" href="/facts/Lake-Michigan">Related Topics</a> </div> <div class="tlr-media-slider pb-10 mb-30"> <a class="section-header link-gray-900 font-serif font-14 font-weight-bold mb-10 mx-10" href="https://www.britannica.com/place/Lake-Michigan/images-videos">Images & Videos</a> <div class="slider js-slider position-relative d-inline-flex align-items-center mw-100 "> <div class="slider-container js-slider-container overflow-hidden d-flex overflow-hidden text-nowrap ml-15"> <a href="https://cdn.britannica.com/61/4861-050-2637CC98/Beach-shore-Indiana-Dunes-State-Park-Lake.jpg" data-href="/media/1/380110/3867" class="media-overlay-link d-inline-block mr-5"> <img loading="lazy" src="https://cdn.britannica.com/61/4861-004-FB9F54CC/Beach-shore-Indiana-Dunes-State-Park-Lake.jpg" alt="Indiana Dunes State Park" height="50" /> </a> <a href="https://cdn.britannica.com/16/64516-050-B6BD244E/Michigan-Lake.jpg" data-href="/media/1/380110/279053" class="media-overlay-link d-inline-block mr-5"> <img loading="lazy" src="https://cdn.britannica.com/16/64516-004-C83ECDE9/Michigan-Lake.jpg" alt="Great Lakes" height="50" /> </a> <a href="https://cdn.britannica.com/47/193947-050-ADDAAFBD/Chesterton-Indiana-Dunes-State-Park.jpg" data-href="/media/1/380110/233010" class="media-overlay-link d-inline-block mr-5"> <img loading="lazy" src="https://cdn.britannica.com/47/193947-004-A5B797B6/Chesterton-Indiana-Dunes-State-Park.jpg" alt="Indiana Dunes State Park" height="50" /> </a> <a href="https://cdn.britannica.com/97/153797-050-9B22BE21/Ephraim-shores-Lake-Michigan-Wisconsin-Door-Peninsula.jpg" data-href="/media/1/380110/163075" class="media-overlay-link d-inline-block mr-5"> <img loading="lazy" src="https://cdn.britannica.com/97/153797-004-28DCCAC1/Ephraim-shores-Lake-Michigan-Wisconsin-Door-Peninsula.jpg" alt="Door Peninsula: Ephraim" height="50" /> </a> <a href="https://cdn.britannica.com/46/192046-050-F562C67F/Milwaukee-Wisconsin-skyline-view-from-Lake-Michigan.jpg" data-href="/media/1/380110/276837" class="media-overlay-link d-inline-block mr-5"> <img loading="lazy" src="https://cdn.britannica.com/46/192046-004-1393C3D0/Milwaukee-Wisconsin-skyline-view-from-Lake-Michigan.jpg" alt="Milwaukee skyline" height="50" /> </a> <a href="https://cdn.britannica.com/40/94740-050-AC0AF6C2/Sand-dunes-shore-Lake-Michigan.jpg" data-href="/media/1/380110/113615" class="media-overlay-link d-inline-block mr-5"> <img loading="lazy" src="https://cdn.britannica.com/40/94740-004-8C2518F4/Sand-dunes-shore-Lake-Michigan.jpg" alt="Sand dunes on the shore of Lake Michigan" height="50" /> </a> <a href="https://cdn.britannica.com/32/127432-050-24DE6C44/Downtown-Chicago.jpg" data-href="/media/1/380110/123690" class="media-overlay-link d-inline-block mr-5"> <img loading="lazy" src="https://cdn.britannica.com/32/127432-004-0C4231A0/Downtown-Chicago.jpg" alt="downtown Chicago" height="50" /> </a> <a href="https://cdn.britannica.com/60/3060-050-E6277316/Great-Lakes-drainage-basin.jpg" data-href="/media/1/380110/2613" class="media-overlay-link d-inline-block mr-5"> <img loading="lazy" src="https://cdn.britannica.com/60/3060-004-21400945/Great-Lakes-drainage-basin.jpg" alt="The Great Lakes and their drainage basin" height="50" /> </a> <a href="/video/monarch-butterfly-Mexico-migration/196011" data-href="/media/1/380110/196011" class="media-overlay-link d-inline-block mr-5"> <div class="position-relative --aspect-ratio: 16/9"> <img loading="lazy" src="https://cdn.britannica.com/33/180433-138-583A4545/monarch-butterfly-Mexico-migration.jpg?w=400&h=225&c=crop" alt="Monarch butterfly migration explained" class="col-100" /> <div class="btn btn-sm btn-white btn-circle position-absolute shadow" style="top: 50%; left:50%; transform: translate(-50%, -50%)"> <em class="material-icons font-14" data-icon="play_arrow" > </em> </div> </div> </a> </div> <button disabled class="prev-button js-prev-button position-absolute btn btn-circle shadow btn-blue " aria-label="Previous"> <span class="material-icons md-24" data-icon="keyboard_arrow_left"></span> </button> <button disabled class="next-button js-next-button position-absolute btn btn-circle shadow btn-blue " aria-label="Next"> <span class="material-icons md-24" data-icon="keyboard_arrow_right"></span> </button> </div> </div> <div class="mb-30 tlr-student-links"> <div class="text-gray-900 p-5 font-serif font-14 font-weight-bold mx-10 mb-10"> For Students </div> <div class="imagelink-with-image-on-the-side card card-horizontal tlr-img-with-side-link ml-15 link-gray-900 mb-10" > <div class="position-relative card-media" style="flex: 0;"> <a class="ilf-image position-relative" href="/summary/Lake-Michigan"> <img loading="lazy" src="https://cdn.britannica.com/mendel-resources/3-130/images/shared/default3.png?v=3.130.14" class="default " height="200" width="200"/> </a> </div> <div class="card-body ilf-content"> <a class="font-weight-semi-bold d-block mb-5 font-16 ilf-title" href="/summary/Lake-Michigan" >Lake Michigan summary</a> </div> </div> </div> <div class="mb-30 tlr-related-quizzes"> <div class="text-gray-900 p-5 font-serif font-14 font-weight-bold mx-10 mb-10"> Quizzes </div> <div class="imagelink-with-image-on-the-side card card-horizontal tlr-img-with-side-link ml-15 link-gray-900 mb-10" > <div class="position-relative card-media" style="flex: 0;"> <a class="ilf-image position-relative" href="/quiz/water-and-its-varying-forms"> <img loading="lazy" src="https://cdn.britannica.com/02/157502-131-7C5D3A67/water-glass-background.jpg?w=200&h=200&c=crop" alt="water glass on white background. (drink; clear; clean water; liquid)" width="200" height="200" /> </a> </div> <div class="card-body ilf-content"> <a class="font-weight-semi-bold d-block mb-5 font-16 ilf-title" href="/quiz/water-and-its-varying-forms" >Water and its Varying Forms</a> </div> </div> <div class="imagelink-with-image-on-the-side card card-horizontal tlr-img-with-side-link ml-15 link-gray-900 mb-10" > <div class="position-relative card-media" style="flex: 0;"> <a class="ilf-image position-relative" href="/quiz/unknown-waters"> <img loading="lazy" src="https://cdn.britannica.com/24/162024-131-557558B0/Coral-reef-tide-Thailand-coast.jpg?w=200&h=200&c=crop" alt="Shallow staghorn water corals in fringing reef at low tide in Thailand. (coral reefs; endangered area; ocean habitat; sea habitat; coral reef)" width="200" height="200" /> </a> </div> <div class="card-body ilf-content"> <a class="font-weight-semi-bold d-block mb-5 font-16 ilf-title" href="/quiz/unknown-waters" >Unknown Waters</a> </div> </div> </div> <div class="mb-30 tlr-related-questions"> <div class="text-gray-900 p-5 pb-0 font-serif font-14 font-weight-bold mx-10 mb-15"> Related Questions </div> <ul> <li class="link-gray-900 mb-15"><a class="" href="/question/How-were-the-Great-Lakes-of-North-America-formed">How were the Great Lakes of North America formed?</a> </li> <li class="link-gray-900 mb-15"><a class="" href="/question/Which-of-the-Great-Lakes-is-the-largest">Which of the Great Lakes is the largest?</a> </li> <li class="link-gray-900 mb-15"><a class="" href="/question/Where-does-water-in-the-Great-Lakes-originate">Where does water in the Great Lakes originate?</a> </li> </ul> </div> <div class="mb-30 tlr-read-next"> <div class="text-gray-900 p-5 font-serif font-14 font-weight-bold mx-10 mb-10"> Read Next </div> <div class="imagelink-with-image-on-the-side card card-horizontal tlr-img-with-side-link ml-15 link-gray-900 mb-10" > <div class="position-relative card-media" style="flex: 0;"> <a class="ilf-image position-relative" href="/list/7-lakes-that-are-drying-up"> <img loading="lazy" src="https://cdn.britannica.com/86/143286-131-5DBA7FED/Lake-Mead-Hoover-Dam-Nevada-Arizona-rock.jpg?w=200&h=200&c=crop" alt="Lake Mead (the impounded Colorado River) at the Hoover Dam. The light-coloured band of rock above the shoreline shows the decrease in water level in the first few years of the 21st century." width="200" height="200" /> </a> </div> <div class="card-body ilf-content"> <a class="font-weight-semi-bold d-block mb-5 font-16 ilf-title" href="/list/7-lakes-that-are-drying-up" >6 Lakes That Are Drying Up</a> </div> </div> <div class="imagelink-with-image-on-the-side card card-horizontal tlr-img-with-side-link ml-15 link-gray-900 mb-10" > <div class="position-relative card-media" style="flex: 0;"> <a class="ilf-image position-relative" href="/story/9-of-the-worlds-deepest-lakes"> <img loading="lazy" src="https://cdn.britannica.com/45/190645-131-6408BC80/Lake-Ysyk-body-water-Kyrgyzstan.jpg?w=200&h=200&c=crop" alt="Lake Issyk-kul kyrgyzstan" width="200" height="200" /> </a> </div> <div class="card-body ilf-content"> <a class="font-weight-semi-bold d-block mb-5 font-16 ilf-title" href="/story/9-of-the-worlds-deepest-lakes" >9 of the World’s Deepest Lakes</a> </div> </div> <div class="imagelink-with-image-on-the-side card card-horizontal tlr-img-with-side-link ml-15 link-gray-900 mb-10" > <div class="position-relative card-media" style="flex: 0;"> <a class="ilf-image position-relative" href="/story/have-any-us-presidents-decided-not-to-run-for-a-second-term"> <img loading="lazy" src="https://cdn.britannica.com/22/232222-050-C7D008B3/Hand-ballot-box-vote-election.jpg?w=200&h=200&c=crop" alt="Close up of a hand placing a ballot in a ballot box. Election vote voter voting" width="200" height="200" /> </a> </div> <div class="card-body ilf-content"> <a class="font-weight-semi-bold d-block mb-5 font-16 ilf-title" href="/story/have-any-us-presidents-decided-not-to-run-for-a-second-term" >Have Any U.S. Presidents Decided Not to Run For a Second Term?</a> </div> </div> <div class="imagelink-with-image-on-the-side card card-horizontal tlr-img-with-side-link ml-15 link-gray-900 mb-10" > <div class="position-relative card-media" style="flex: 0;"> <a class="ilf-image position-relative" href="/story/what-state-is-washington-dc-in"> <img loading="lazy" src="https://cdn.britannica.com/03/64303-050-65ECB7D0/Washington-DC-locator-map-united-states-city.jpg?w=200&h=200&c=crop" alt="Washington, D.C. locator map." width="200" height="200" /> </a> </div> <div class="card-body ilf-content"> <a class="font-weight-semi-bold d-block mb-5 font-16 ilf-title" href="/story/what-state-is-washington-dc-in" >What State Is Washington, D.C. In?</a> </div> </div> <div class="imagelink-with-image-on-the-side card card-horizontal tlr-img-with-side-link ml-15 link-gray-900 mb-10" > <div class="position-relative card-media" style="flex: 0;"> <a class="ilf-image position-relative" href="/list/14-questions-about-government-in-the-united-states-answered"> <img loading="lazy" src="https://cdn.britannica.com/35/137235-131-D6F1442C/building-United-States-Supreme-Court-court-world-1935.jpg?w=200&h=200&c=crop" alt="The United States Supreme Court building, Washington, D.C." width="200" height="200" /> </a> </div> <div class="card-body ilf-content"> <a class="font-weight-semi-bold d-block mb-5 font-16 ilf-title" href="/list/14-questions-about-government-in-the-united-states-answered" >14 Questions About Government in the United States Answered</a> </div> </div> </div> <div class="mb-30 tlr-discover"> <div class="text-gray-900 p-5 font-serif font-14 font-weight-bold mx-10 mb-10"> Discover </div> <div class="imagelink-with-image-on-the-side card card-horizontal tlr-img-with-side-link ml-15 link-gray-900 mb-10" > <div class="position-relative card-media" style="flex: 0;"> <a class="ilf-image position-relative" href="/story/causes-of-the-great-depression"> <img loading="lazy" src="https://cdn.britannica.com/45/197245-131-26E0911C/Depositors-American-Union-Bank-New-York-York-1932.jpg?w=200&h=200&c=crop" alt="Groups of depositors in front of the closed American Union Bank, New York City. April 26, 1932. Great Depression run on bank crowd" width="200" height="200" /> </a> </div> <div class="card-body ilf-content"> <a class="font-weight-semi-bold d-block mb-5 font-16 ilf-title" href="/story/causes-of-the-great-depression" >Causes of the Great Depression</a> </div> </div> <div class="imagelink-with-image-on-the-side card card-horizontal tlr-img-with-side-link ml-15 link-gray-900 mb-10" > <div class="position-relative card-media" style="flex: 0;"> <a class="ilf-image position-relative" href="/list/10-famous-artworks-by-leonardo-da-vinci"> <img loading="lazy" src="https://cdn.britannica.com/06/200006-131-ABB681CF/Leonardo-da-Vinci-Italian-Renaissance-Florence-Engraving-1500.jpg?w=200&h=200&c=crop" alt="Leonardo da Vinci (1452-1519), Italian Renaissance painter from Florence. Engraving by Cosomo Colombini (d. 1812) after a Leonardo self portrait. Ca. 1500." width="200" height="200" /> </a> </div> <div class="card-body ilf-content"> <a class="font-weight-semi-bold d-block mb-5 font-16 ilf-title" href="/list/10-famous-artworks-by-leonardo-da-vinci" >10 Famous Artworks by Leonardo da Vinci</a> </div> </div> <div class="imagelink-with-image-on-the-side card card-horizontal tlr-img-with-side-link ml-15 link-gray-900 mb-10" > <div class="position-relative card-media" style="flex: 0;"> <a class="ilf-image position-relative" href="/list/7-of-historys-most-notorious-serial-killers"> <img loading="lazy" src="https://cdn.britannica.com/51/212551-131-CCA62CB1/Shadow-man-spooky-building-knife.jpg?w=200&h=200&c=crop" alt="Shadow of a man holding large knife in his hand inside of some dark, spooky buiding" width="200" height="200" /> </a> </div> <div class="card-body ilf-content"> <a class="font-weight-semi-bold d-block mb-5 font-16 ilf-title" href="/list/7-of-historys-most-notorious-serial-killers" >7 of History's Most Notorious Serial Killers</a> </div> </div> <div class="imagelink-with-image-on-the-side card card-horizontal tlr-img-with-side-link ml-15 link-gray-900 mb-10" > <div class="position-relative card-media" style="flex: 0;"> <a class="ilf-image position-relative" href="/list/12-novels-considered-the-greatest-book-ever-written"> <img loading="lazy" src="https://cdn.britannica.com/55/142355-131-EFF621AF/books-Stack-literature-pile-reading-entertainment-society-2010.jpg?w=200&h=200&c=crop" alt="Close up of books. Stack of books, pile of books, literature, reading. Homepage 2010, arts and entertainment, history and society" width="200" height="200" /> </a> </div> <div class="card-body ilf-content"> <a class="font-weight-semi-bold d-block mb-5 font-16 ilf-title" href="/list/12-novels-considered-the-greatest-book-ever-written" >12 Novels Considered the “Greatest Book Ever Written”</a> </div> </div> <div class="imagelink-with-image-on-the-side card card-horizontal tlr-img-with-side-link ml-15 link-gray-900 mb-10" > <div class="position-relative card-media" style="flex: 0;"> <a class="ilf-image position-relative" href="/list/americas-5-most-notorious-cold-cases-including-one-you-may-have-thought-was-already-solved"> <img loading="lazy" src="https://cdn.britannica.com/71/196471-131-8FEA8DDD/Daily-Police-Bulletin-Elizabeth-Short-Black-Dahlia-January-1947.jpg?w=200&h=200&c=crop" alt="Los Angeles Police Department wanted flyer on Elizabeth Short, aka the "Black Dahlia," who was brutally murdered in January 1947. The FBI supported the Los Angeles Police Department in the case, including by identifying Short through her fingerprints that" width="200" height="200" /> </a> </div> <div class="card-body ilf-content"> <a class="font-weight-semi-bold d-block mb-5 font-16 ilf-title" href="/list/americas-5-most-notorious-cold-cases-including-one-you-may-have-thought-was-already-solved" >America’s 5 Most Notorious Cold Cases (Including One You May Have Thought Was Already Solved)</a> </div> </div> <div class="imagelink-with-image-on-the-side card card-horizontal tlr-img-with-side-link ml-15 link-gray-900 mb-10" > <div class="position-relative card-media" style="flex: 0;"> <a class="ilf-image position-relative" href="/story/was-santa-claus-a-real-person"> <img loading="lazy" src="https://cdn.britannica.com/92/202092-131-ACFF5B40/Santa-Claus-sleigh.jpg?w=200&h=200&c=crop" alt="Santa Claus flying in his sleigh, christmas, reindeer" width="200" height="200" /> </a> </div> <div class="card-body ilf-content"> <a class="font-weight-semi-bold d-block mb-5 font-16 ilf-title" href="/story/was-santa-claus-a-real-person" >Was Santa Claus a Real Person?</a> </div> </div> <div class="imagelink-with-image-on-the-side card card-horizontal tlr-img-with-side-link ml-15 link-gray-900 mb-10" > <div class="position-relative card-media" style="flex: 0;"> <a class="ilf-image position-relative" href="/story/the-rise-of-the-machines-pros-and-cons-of-the-industrial-revolution"> <img loading="lazy" src="https://cdn.britannica.com/17/167717-131-94C99B30/boys-mill-Macon-Georgia-1909.jpg?w=200&h=200&c=crop" alt="Young boys working in a thread spinning mill in Macon, Georgia, 1909. Boys are so small they have to climb onto the spinning frame to reach and fix broken threads and put back empty bobbins. Child labor. Industrial revolution" width="200" height="200" /> </a> </div> <div class="card-body ilf-content"> <a class="font-weight-semi-bold d-block mb-5 font-16 ilf-title" href="/story/the-rise-of-the-machines-pros-and-cons-of-the-industrial-revolution" >The Rise of the Machines: Pros and Cons of the Industrial Revolution</a> </div> </div> </div> </div> </div> </div> <button class="drawerToggle btn position-sticky border btn-xs btn-white btn-circle rounded-sm d-none d-lg-flex " type="button" aria-label="Toggle Drawer"> <em class="material-icons font-18 text-blue" data-icon="keyboard_arrow_left"></em> </button> </div> </div> <div class="col"> <div class="h-100 ml-0 pr-lg-0 "> <div class="h-100 grid gx-0 gx-lg-20"> <div class="h-100 col-sm"> <div class="h-100 infinite-pagination-container d-flex flex-column position-relative"> <div class="position-absolute top-0 h-100 w-100"> <div class="toc-sticky-header d-none d-lg-none bg-gray-50 px-10 px-sm-30 position-sticky w-100 "> <div class="toc-sticky-header-inner-container align-items-center d-flex mx-auto h-100 w-100"> <button class="d-flex d-lg-none btn btn-sm btn-white text-blue border-2 border-gray-100 gtm-mobile-toc-header-button js-sections-button d-lg-none p-10"> <em class="material-icons my-n5 md-icon" data-icon="toc"></em> Contents </button> <div class="header-ai-ask-button-placeholder"></div> <div class="header-ai-summarize-button-placeholder"></div> </div> </div> </div> <div class="grey-box w-100 grey-box-top grey-box-bottom"> <div class="grey-box-content mx-auto w-100"> <script type="application/ld+json"> { "@context" : "https://schema.org", "@type" : "BreadcrumbList", "itemListElement" : [ { "@type" : "ListItem", "position" : 1, "item" : { "@id" : "https://www.britannica.com/browse/Geography-Travel", "name": "Geography & Travel" } } , { "@type" : "ListItem", "position" : 2, "item" : { "@id" : "https://www.britannica.com/browse/Physical-Geography-Water", "name": "Physical Geography of Water" } } , { "@type" : "ListItem", "position" : 3, "item" : { "@id" : "https://www.britannica.com/browse/Lakes", "name": "Lakes" } } ] } </script> <nav class="breadcrumb mt-20"> <span class="breadcrumb-item "> <a class="link-gray-600" href="/browse/Geography-Travel">Geography & Travel</a> </span> <span class="breadcrumb-item "> <a class="link-gray-600" href="/browse/Physical-Geography-Water">Physical Geography of Water</a> </span> <span class="breadcrumb-item "> <a class="link-gray-600" href="/browse/Lakes">Lakes</a> </span> </nav> <div class="page2ref-true topic-content topic-type-REGULAR" data-student-article="false"> <script class="page-description-json" type="application/json"> { "url": "/place/Lake-Michigan", "shareUrl": "https://www.britannica.com/place/Lake-Michigan", "browserTitle": "Lake Michigan | Depth, Freshwater, Size, & Map", "firstTopicPage": true, "topicId":380110 } </script> <div class="reading-channel"> <div class="desktop-header-image module-spacing"> <figure class="md-assembly m-0 mb-20 mb-md-0 card card-borderless print-false" data-assembly-id="13684" data-asm-type="image"> <div class="md-assembly-wrapper card-media " data-type="image"> <a style="min-height: 160px;" href="https://cdn.britannica.com/61/4861-050-2637CC98/Beach-shore-Indiana-Dunes-State-Park-Lake.jpg" class="gtm-assembly-link position-relative d-flex align-items-center justify-content-center media-overlay-link card-media" data-href="/media/1/380110/3867"> <picture> <source media="(min-width: 680px)" srcset="https://cdn.britannica.com/61/4861-050-2637CC98/Beach-shore-Indiana-Dunes-State-Park-Lake.jpg?w=300"> <img src="https://cdn.britannica.com/61/4861-050-2637CC98/Beach-shore-Indiana-Dunes-State-Park-Lake.jpg?w=400&h=300&c=crop" alt="Indiana Dunes State Park" loading="eager" /> </picture> <button class="magnifying-glass btn btn-circle position-absolute shadow btn-white top-10 right-10" aria-label="Zoom in"> <em class="material-icons link-blue" data-icon="zoom_in"></em> </button> </a> </div> <figcaption class="card-body"> <div class="md-assembly-caption text-muted font-14 font-serif line-clamp"> <span> <a class="gtm-assembly-link md-assembly-title font-weight-bold d-inline font-sans-serif mr-5 media-overlay-link" href="https://cdn.britannica.com/61/4861-050-2637CC98/Beach-shore-Indiana-Dunes-State-Park-Lake.jpg" data-href="/media/1/380110/3867">Indiana Dunes State Park</a> <span><span>Beach along the south shore of Lake Michigan in Indiana Dunes State Park, northern Indiana, with (right) the steel mills of Gary in the background.</span></span> <button class="js-more-btn d-none btn btn-unstyled font-12 bg-white js-content" aria-label="Toggle more/less fact data"> <span class="link-blue">(more)</span> </button> </span> </div> </figcaption> </figure> </div><div class="topic-header"> <div class="d-flex align-items-top justify-content-between"> <div class="d-flex flex-column"> <div> <div> <h1>Lake Michigan</h1></div> </div> <div class="topic-identifier font-16 font-md-20">lake, United States</div> </div> </div> <div class="d-none d-sm-flex flex-row"> <div class="mr-10 mb-15"> <button class="ai-ask-button btn border-2 btn-sm js-inline-ai-ask-button btn-outline-red-400 border-red-400"> Ask the Chatbot a Question </button> </div> <div class="d-none d-sm-block md-topic-tools qa-action-buttons mb-15" data-topic-id="380110"> <button class="js-tooltip btn btn-sm btn-outline-blue border pr-10 border-2" > <em class="material-icons md-icon ml-n10 my-n5 mr-5" data-icon="more_vert"></em> More Actions </button> <div class="md-more-popover popover popover-sm p-0 font-14 z-1"> <div> <a class="js-modal btn btn-sm btn-link gtm-topic-tool font-weight-bold btn-link" href="/print/article/380110" target="_blank" > <em class="material-icons mr-5 ml-n10 my-n5 md-icon" data-icon="print"></em> Print </a> </div> <div> <button class="js-modal qa-cite-modal-button btn btn-sm btn-link gtm-topic-tool font-weight-bold btn-link" data-modal="[data-topic-id=380110] .md-cite-modal"> <em class="material-icons mr-5 ml-n10 my-n5 md-icon" data-icon="verified"></em> Cite </button> <div class="md-cite-modal size-lg d-none"> <div class="md-modal-body"> <div class="h2 font-serif d-flex align-items-center pb-15 border-bottom mb-15"> <em class="material-icons text-blue mr-10">verified</em>Cite </div> <div class="font-serif"> While every effort has been made to follow citation style rules, there may be some discrepancies. Please refer to the appropriate style manual or other sources if you have any questions. </div> <div class="label mt-20 mb-10">Select Citation Style</div> <select class="js-citation-format-select form-select"> <option selected value="mla">MLA</option> <option value="apa">APA</option> <option value="chicago">Chicago Manual of Style</option> </select> <div class="citation font-serif border rounded p-15 mt-20" data-authors="The Editors of Encyclopaedia Britannica" data-title="Lake Michigan" data-published-date="23 Nov. 2024" data-url="https://www.britannica.com/place/Lake-Michigan" > <div class="citation-text"></div> </div> <button class="js-copy-citation-button mt-20 btn btn-xs btn-outline-blue border shadow-sm pr-10" > <em class="material-icons md-icon ml-n10 my-n5 mr-5" data-icon="file_copy"></em> <span class="js-citation-status-text">Copy Citation</span> </button> </div> </div> </div> <div> <button class="js-share-modal-button js-modal btn btn-sm btn-link gtm-topic-tool font-weight-bold btn-link" data-modal="[data-topic-id=380110] .md-share-modal"> <em class="material-icons mr-5 ml-n10 my-n5 md-icon" data-icon="share"></em> Share </button> <div class="md-share-modal size-lg d-none qa-share-modal"> <div class="md-modal-body"> <div class="h2 font-serif d-flex align-items-center pb-15 border-bottom"> <em class="material-icons text-blue mr-10" data-icon="share"></em> Share </div> <div class="label my-20">Share to social media</div> <div class="md-social-toolbar-circle d-flex align-items-start inverted" data-value="share" title="Lake Michigan" data-url="https://www.britannica.com/place/Lake-Michigan" > <a class="social-icon facebook justify-content-center d-flex align-items-center align-self-center" data-provider="facebook" href="https://www.facebook.com/BRITANNICA/" target="_blank" rel="noopener"><span>Facebook</span></a> <a class="social-icon x justify-content-center d-flex align-items-center align-self-center" data-provider="x" href="https://x.com/britannica" target="_blank" rel="noopener"><span>X</span></a> </div> <div class="label pt-20 mt-20 mb-5 border-top">URL</div> <a class="font-serif text-truncate d-inline-block" href="https://www.britannica.com/place/Lake-Michigan">https://www.britannica.com/place/Lake-Michigan</a> </div> </div> </div> <div> <button class="js-feedback-modal-button js-modal btn btn-sm btn-link gtm-topic-tool font-weight-bold btn-link" data-modal=".md-feedback-modal"> <em class="material-icons mr-5 ml-n10 my-n5 md-icon" data-icon="message"></em> Feedback </button> </div> <div> <button class="qa-external-website-modal-button js-modal btn btn-sm btn-link gtm-topic-tool font-weight-bold btn-link" data-modal="[data-topic-id=380110] .md-websites-modal"> <em class="material-icons md-icon ml-n10 mr-5" data-icon="link"></em> External Websites </button> </div> </div> <div class="md-feedback-modal size-lg d-none"> <div class="md-modal-body"> <div class="h2 font-serif pb-15 border-bottom"> Feedback </div> <form method="post" action="/submission/feedback/380110"> <div class="my-20"> Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login). </div> <div class="type-menu"> <label for="feedback-type" class="label mb-10">Feedback Type</label> <select id="feedback-type" class="form-select mb-30" name="feedbackTypeId" required> <option value="" selected="selected">Select a type (Required)</option> <option value="1">Factual Correction</option> <option value="2">Spelling/Grammar Correction</option> <option value="3">Link Correction</option> <option value="4">Additional Information</option> <option value="5">Other</option> </select> </div> <label for="feedback" class="label mb-10">Your Feedback</label> <textarea id="feedback" class="form-control mb-30" name="feedback" maxlength="3000" rows="7" required></textarea> <button class="btn btn-blue" type="submit">Submit Feedback</button> </form> <div class="success-messaging d-none mt-30"> <div class="title">Thank you for your feedback</div> <p>Our editors will review what you’ve submitted and determine whether to revise the article.</p> </div> </div> </div> <div class="md-websites-modal size-lg d-none"> <div class="md-modal-body"> <div class="h2 font-serif pb-15 border-bottom font-weight-bold"> External Websites </div> <div class="pb-20"> <ul class="list-unstyled mt-20 lh-lg"> <li><a class="external" href="https://epa.illinois.gov/topics/water-quality/monitoring/lake-michigan.html" target="_blank" rel="noopener ">Illinois Environmental Protection Agency - Lake Michigan</a></li> <li><a class="external" href="https://greatlakes.guide/watersheds/michigan" target="_blank" rel="noopener ">Great Lakes Guide - Lake Michigan</a></li> <li><a class="external" href="https://www.livescience.com/32011-lake-michigan.html" target="_blank" rel="noopener ">LiveScience - Lake Michigan Facts</a></li> <li><a class="external" href="https://emke.uwm.edu/entry/lake-michigan/" target="_blank" rel="noopener ">Encyclopedia of Milwaukee - Lake Michigan</a></li> </ul> </div> <div class="md-websites-ebk-title">Britannica Websites</div> <div class="md-websites-ebk-subtitle">Articles from Britannica Encyclopedias for elementary and high school students.</div> <ul class="list-unstyled bps-topic-web-sites lh-lg"> <li><a class="external" href="https://kids.britannica.com/kids/article/Lake-Michigan/346175" target="_blank" rel="noopener">Lake Michigan - Children's Encyclopedia (Ages 8-11)</a></li> <li><a class="external" href="https://kids.britannica.com/students/article/Lake-Michigan/275823" target="_blank" rel="noopener">Lake Michigan - Student Encyclopedia (Ages 11 and up)</a></li> </ul> </div> </div> </div> </div> <div class="toc-header-marker"></div> <button class="ai-ask-button btn border-2 js-header-ai-ask-button d-none btn-sm btn-outline-red-400 border-red-400 mr-0 mr-lg-10 ml-5 ml-sm-10 ml-lg-0 p-10"> Ask the Chatbot a Question </button> <div class="md-byline module-spacing "> <div class="font-serif font-12"> <span class="written-by text-gray-700"> Written and fact-checked by </span> <div class="editor-popover popover p-0"> <a class="d-block p-20 gtm-byline font-12 byline-contributor" href="/editor/The-Editors-of-Encyclopaedia-Britannica/4419" > <div class="editor-title font-16 font-weight-bold">The Editors of Encyclopaedia Britannica</div> <div class="editor-description font-12 font-serif mt-5 text-black">Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.</div> </a> <div data-popper-arrow></div> </div> <span class="btn btn-link editor-link p-0 qa-byline-link gtm-byline font-12 byline-contributor text-decoration-underline"> The Editors of Encyclopaedia Britannica</span></div> <div class="last-updated font-12 font-serif"> <span class="text-gray-700"> Last Updated: <time datetime="2024-11-23T00:00:00CST" >Nov 23, 2024</time> •</span> <a class="byline-edit-history" href="https://www.britannica.com/place/Lake-Michigan/additional-info#history" rel="nofollow">Article History</a> </div></div> </div> <button class="d-flex d-lg-none btn btn-outline-blue border rounded-sm shadow-sm mobile-toc-button gtm-mobile-toc-inline-button d-none d-sm-block js-sections-inline-button module-spacing btn d-lg-none"> <em class="material-icons mr-5 ml-n10 my-n5 md-icon" data-icon="toc"></em> Table of Contents </button> <div class="d-flex d-sm-none flex-row"> <button class="d-flex d-lg-none btn btn-outline-blue border rounded-sm shadow-sm mobile-toc-button gtm-mobile-toc-inline-button js-sections-inline-button module-spacing"> <em class="material-icons mr-5 ml-n10 my-n5 md-icon" data-icon="toc"></em> Table of Contents </button> <button class="ai-ask-button btn border-2 ai-ask-button btn border-2 module-spacing btn-sm js-inline-ai-ask-button btn-outline-red-400 border-red-400 p-10 ml-5"> Ask the Chatbot a Question </button> </div> <div class="bg-gray-50 p-15 rounded module-spacing recent-news d-flex flex-column float-false"> <div> <h2 class="font-weight-bold font-14 m-0 d-inline"> News <span class="text-gray-600">•</span> </h2> <div class="recent-news-item first-recent-news-item d-inline"> <a class="font-14 gtm-ap-news-link" href="https://www.newsweek.com/police-search-missing-army-veteran-car-found-lake-michigan-1989263" rel="nofollow">Police Searching for Missing Army Veteran After Car Found in Lake</a> <span class="font-14 text-gray-600"> <span>•</span> Nov. 21, 2024, 2:28 AM ET (Newsweek) <button class="btn btn-link d-inline p-0 font-12 js-toggle-recent-news"> <span class="text-gray-500">...</span><span>(Show more)</span> </button> </span> </div> </div> <div class="rest-of-recent-news-items"> <div class="recent-news-item mt-5"> <a class="font-14 gtm-ap-news-link" href="https://www.cbsnews.com/chicago/news/study-pollution-waterways-asian-carp-lake-michigan/" rel="nofollow">Study finds pollution in area waterways may be keeping Asian carp from advancing to Lake Michigan</a> <span class="font-14 text-gray-600"> <span>•</span> Nov. 19, 2024, 7:06 AM ET (CBS) </span> </div> <button class="js-toggle-recent-news d-flex btn btn-unstyled font-14 pr-10 rounded-sm mt-10" aria-label="Toggle additional news items"> Show less <em class="material-icons" data-icon="expand_less"></em> </button> </div> </div><span class="marker before-article"></span><section data-level="1" id="ref1"><span class="marker PREMOD1 mod-inline"></span><div class="assemblies multiple medialist slider js-slider position-relative d-inline-flex align-items-center mw-100" data-type="other"><div class="slider-container js-slider-container overflow-hidden d-flex"><div class="rw-track d-flex align-items-center"><div class="position-relative rw-slide col-100 px-20 "><figure class="md-assembly m-0 mb-md-0 card card-borderless print-false" data-assembly-id="279053" data-asm-type="image"><div class="md-assembly-wrapper card-media " data-type="image"><a href="https://cdn.britannica.com/16/64516-050-B6BD244E/Michigan-Lake.jpg" class="gtm-assembly-link position-relative d-flex align-items-center justify-content-center media-overlay-link card-media" data-href="/media/1/380110/279053"><picture><source media="(min-width: 680px)" srcset="https://cdn.britannica.com/16/64516-050-B6BD244E/Michigan-Lake.jpg"><img src="https://cdn.britannica.com/16/64516-050-B6BD244E/Michigan-Lake.jpg?w=300" alt="Great Lakes" data-width="1600" data-height="1313" loading="eager"></picture><button class="magnifying-glass btn btn-circle position-absolute shadow btn-white top-10 right-10" aria-label="Zoom in"><em class="material-icons link-blue" data-icon="zoom_in"></em></button></a></div><figcaption class="card-body"><div class="md-assembly-caption text-muted font-14 font-serif line-clamp"><span><a class="gtm-assembly-link md-assembly-title font-weight-bold d-inline font-sans-serif mr-5 media-overlay-link" href="https://cdn.britannica.com/16/64516-050-B6BD244E/Michigan-Lake.jpg" data-href="/media/1/380110/279053">Great Lakes</a><button class="js-more-btn d-none btn btn-unstyled font-12 bg-white js-content" aria-label="Toggle more/less fact data"><span class="link-blue">(more)</span></button></span></div></figcaption></figure></div></div></div><button disabled="true" class="prev-button js-prev-button position-absolute btn btn-circle shadow btn-lg btn-blue-dark m-20"><span class="material-icons" data-icon="keyboard_arrow_left"></span></button><button disabled="true" class="next-button js-next-button position-absolute btn btn-circle shadow btn-lg btn-blue-dark m-20"><span class="material-icons" data-icon="keyboard_arrow_right"></span></button></div><p class="topic-paragraph"><strong><span id="ref97376"></span>Lake Michigan</strong>, third largest of the five <a href="https://www.britannica.com/place/Great-Lakes" class="md-crosslink " data-show-preview="true">Great Lakes</a> of <a href="https://www.britannica.com/place/North-America" class="md-crosslink autoxref " data-show-preview="true">North America</a> and the only one lying wholly within the <a href="https://www.britannica.com/place/United-States" class="md-crosslink autoxref " data-show-preview="true">United States</a>. Bordered by the states of <a href="https://www.britannica.com/place/Michigan" class="md-crosslink autoxref " data-show-preview="true">Michigan</a> (east and north), <a href="https://www.britannica.com/place/Wisconsin" class="md-crosslink autoxref " data-show-preview="true">Wisconsin</a> (west), <a href="https://www.britannica.com/place/Illinois-state" class="md-crosslink autoxref " data-show-preview="true">Illinois</a> (southwest), and <a href="https://www.britannica.com/place/Indiana-state" class="md-crosslink autoxref " data-show-preview="true">Indiana</a> (southeast), it connects with <a href="https://www.britannica.com/place/Lake-Huron" class="md-crosslink " data-show-preview="true">Lake Huron</a> through the <span id="ref97377"></span><a href="https://www.britannica.com/place/Straits-of-Mackinac" class="md-crosslink " data-show-preview="true">Straits of Mackinac</a> in the north. The <a href="https://www.britannica.com/science/lake" class="md-crosslink autoxref " data-show-preview="true">lake</a> is 321 miles (517 km) long (north to south); it has a maximum width of 118 miles (190 km) and a <a href="https://www.britannica.com/science/drainage-basin" class="md-crosslink autoxref " data-show-preview="true">drainage basin</a> of about 45,500 square miles (118,000 square km), <a class="md-dictionary-link md-dictionary-tt-off mw" data-term="exclusive" href="https://www.merriam-webster.com/dictionary/exclusive" data-type="MW">exclusive</a> of its surface area, which is 22,300 square miles (57,757 square km). With a mean surface elevation of 579 feet (176 m) above <a href="https://www.britannica.com/science/sea-level" class="md-crosslink " data-show-preview="true">sea level</a>, the lake has a maximum depth of 923 feet (281 m). Currents are slight, with a generally southward drift along the western side, a northward drift along the eastern side, and at times counterclockwise swirls in the southern basin and around the Beaver Island group in the north. Approximately 100 streams flow into the lake, only a few of which are of appreciable size. The <a href="https://www.britannica.com/place/Manistee" class="md-crosslink autoxref " data-show-preview="true">Manistee</a>, Pere <a href="https://www.britannica.com/place/Marquette-Upper-Peninsula-Michigan" class="md-crosslink autoxref " data-show-preview="true">Marquette</a>, White, <a href="https://www.britannica.com/place/Muskegon" class="md-crosslink autoxref " data-show-preview="true">Muskegon</a>, Grand, Kalamazoo, and St. Joseph rivers enter the lake from the east. The Fox and <a href="https://www.britannica.com/place/Menominee-Michigan" class="md-crosslink autoxref " data-show-preview="true">Menominee</a> rivers flow into <a href="https://www.britannica.com/place/Green-Bay-Lake-Michigan" class="md-crosslink autoxref " data-show-preview="true">Green Bay</a>, a northwestern arm of the lake. The <span id="ref97378"></span><a href="https://www.britannica.com/place/Chicago-River" class="md-crosslink " data-show-preview="true">Chicago River</a> flowed into the southwestern end of the lake but was reversed in 1900 so that it now drains through the <a href="https://www.britannica.com/topic/Chicago-Sanitary-and-Ship-Canal" class="md-crosslink autoxref " data-show-preview="true">Chicago Sanitary and Ship Canal</a> into the <a href="https://www.britannica.com/place/Des-Plaines-River" class="md-crosslink autoxref " data-show-preview="true">Des Plaines River</a> at Joliet, Illinois. The northern end of the lake contains all of the islands, the largest of which is <span id="ref97379"></span><a href="https://www.britannica.com/place/Beaver-Island" class="md-crosslink " data-show-preview="true">Beaver Island</a>, Michigan.</p><span class="marker MOD1 mod-inline"></span><span class="marker PREMOD2 mod-inline"></span><div class="assemblies"><div class="w-100"><figure class="md-assembly m-0 mb-md-0 card card-borderless print-false" data-assembly-id="233010" data-asm-type="image"><div class="md-assembly-wrapper card-media " data-type="image"><a href="https://cdn.britannica.com/47/193947-050-ADDAAFBD/Chesterton-Indiana-Dunes-State-Park.jpg" class="gtm-assembly-link position-relative d-flex align-items-center justify-content-center media-overlay-link card-media" data-href="/media/1/380110/233010"><picture><source media="(min-width: 680px)" srcset="https://cdn.britannica.com/47/193947-050-ADDAAFBD/Chesterton-Indiana-Dunes-State-Park.jpg?w=300"><img src="https://cdn.britannica.com/47/193947-050-ADDAAFBD/Chesterton-Indiana-Dunes-State-Park.jpg?w=300" alt="Indiana Dunes State Park" data-width="1600" data-height="1067" loading="eager"></picture><button class="magnifying-glass btn btn-circle position-absolute shadow btn-white top-10 right-10" aria-label="Zoom in"><em class="material-icons link-blue" data-icon="zoom_in"></em></button></a></div><figcaption class="card-body"><div class="md-assembly-caption text-muted font-14 font-serif line-clamp"><span><a class="gtm-assembly-link md-assembly-title font-weight-bold d-inline font-sans-serif mr-5 media-overlay-link" href="https://cdn.britannica.com/47/193947-050-ADDAAFBD/Chesterton-Indiana-Dunes-State-Park.jpg" data-href="/media/1/380110/233010">Indiana Dunes State Park</a><span>Indiana Dunes State Park, Chesterton, Indiana.</span><button class="js-more-btn d-none btn btn-unstyled font-12 bg-white js-content" aria-label="Toggle more/less fact data"><span class="link-blue">(more)</span></button></span></div></figcaption></figure></div></div><p class="topic-paragraph">The land <a class="md-dictionary-link md-dictionary-tt-off mw" data-term="adjacent" href="https://www.merriam-webster.com/dictionary/adjacent" data-type="MW">adjacent</a> to Lake Michigan is low and gently rolling, but wave-cut bluffs of rock occur in many places. Sand dunes are common along the southeastern shore, notably at <span id="ref97380"></span><a href="https://www.britannica.com/place/Indiana-Dunes" class="md-crosslink " data-show-preview="true">Indiana Dunes National Park</a>, where prevailing winds blow sand inland. The moderating influence of the lake accounts for the noted fruit-growing region along its eastern shore.</p><span class="marker MOD2 mod-inline"></span><span class="marker PREMOD3 mod-inline"></span><p class="topic-paragraph">Lake Michigan is part of the Great Lakes–<span id="ref97381"></span><a href="https://www.britannica.com/topic/Saint-Lawrence-Seaway" class="md-crosslink " data-show-preview="true">St. Lawrence Seaway</a> and, thus, handles international commerce. Although ice in the harbours limits navigation from mid-December through mid-April, the open lake rarely freezes over, and railway-car ferry service across the lake is maintained between some ports throughout the year.</p><a class="link-module shadow-sm d-block qa-quiz-module" href="/quiz/water-and-its-varying-forms" data-link-module-iframe-link=""> <img loading="lazy" src="https://cdn.britannica.com/02/157502-131-7C5D3A67/water-glass-background.jpg" alt="water glass on white background. (drink; clear; clean water; liquid)" class="rounded-sm mr-15" width="70" /> <div class="line-clamp clamp-5"> <div class="module-title bg-green">Britannica Quiz</div> <div class="font-weight-semi-bold mt-5">Water and its Varying Forms</div> </div> </a><span class="marker MOD3 mod-inline"></span><span class="marker PREMOD4 mod-inline"></span><p class="topic-paragraph">The southern end of the lake abuts a great industrial complex centred on <a href="https://www.britannica.com/place/Chicago" class="md-crosslink autoxref " data-show-preview="true">Chicago</a>, which <a class="md-dictionary-link md-dictionary-tt-off eb" data-term="consumes" href="https://www.britannica.com/dictionary/consumes" data-type="EB">consumes</a> large quantities of waterborne raw materials, principally iron ore, coal, and limestone; these are handled at the ports of Calumet (South Chicago) Harbor in Illinois and at Indiana (East Chicago) Harbor and <a href="https://www.britannica.com/place/Gary" class="md-crosslink autoxref " data-show-preview="true">Gary</a> in Indiana. Some of the iron ore is loaded at <a href="https://www.britannica.com/place/Escanaba" class="md-crosslink autoxref " data-show-preview="true">Escanaba</a>, Michigan, on the lake’s northern shore; but most is brought from the <a href="https://www.britannica.com/place/Lake-Superior-lake-North-America" class="md-crosslink autoxref " data-show-preview="true">Lake Superior</a> region. <a href="https://www.britannica.com/place/Milwaukee" class="md-crosslink autoxref " data-show-preview="true">Milwaukee</a> and Green Bay, Wisconsin, are centres of distribution of coal from <a href="https://www.britannica.com/place/Lake-Erie" class="md-crosslink autoxref " data-show-preview="true">Lake Erie</a> ports. Grain is shipped from Milwaukee, Wisconsin, and Chicago. Other major lake ports include <a href="https://www.britannica.com/place/Michigan-City" class="md-crosslink autoxref " data-show-preview="true">Michigan City</a> (Indiana); <a href="https://www.britannica.com/place/Waukegan" class="md-crosslink autoxref " data-show-preview="true">Waukegan</a> (Illinois); <a href="https://www.britannica.com/place/Kenosha" class="md-crosslink autoxref " data-show-preview="true">Kenosha</a>, <a href="https://www.britannica.com/place/Racine" class="md-crosslink autoxref " data-show-preview="true">Racine</a>, and <a href="https://www.britannica.com/place/Manitowoc" class="md-crosslink autoxref " data-show-preview="true">Manitowoc</a> (Wisconsin); and Manistee, <a href="https://www.britannica.com/place/Ludington" class="md-crosslink autoxref " data-show-preview="true">Ludington</a>, Muskegon, <a href="https://www.britannica.com/place/Grand-Haven" class="md-crosslink autoxref " data-show-preview="true">Grand Haven</a>, and <a href="https://www.britannica.com/place/Benton-Harbor" class="md-crosslink autoxref " data-show-preview="true">Benton Harbor</a> (Michigan).</p><span class="marker MOD4 mod-inline"></span><span class="marker PREMOD5 mod-inline"></span><p class="topic-paragraph">The restocking of <a href="https://www.britannica.com/animal/lake-trout" class="md-crosslink autoxref " data-show-preview="true">lake trout</a> and the introduction of <span id="ref1256293"></span><a href="https://www.britannica.com/animal/coho" class="md-crosslink " data-show-preview="true">coho</a> <a href="https://www.britannica.com/animal/salmon" class="md-crosslink autoxref " data-show-preview="true">salmon</a> have <a class="md-dictionary-link md-dictionary-tt-off eb" data-term="rejuvenated" href="https://www.britannica.com/dictionary/rejuvenated" data-type="EB">rejuvenated</a> recreational and <a href="https://www.britannica.com/technology/commercial-fishing" class="md-crosslink autoxref " data-show-preview="true">commercial fishing</a> on the lake while also greatly reducing the population of alewives (small saltwater fish that entered the Great Lakes via the St. Lawrence Seaway and created many problems when large numbers died off in springtime). Although pollution is threatening the ecological balance of the lake, popular summer-resort areas dot its shores.</p><div class="one-good-fact-module"> </div><span class="marker MOD5 mod-inline"></span><span class="marker PREMOD6 mod-inline"></span><p class="topic-paragraph">In 1634 the French explorer <span id="ref97382"></span><a href="https://www.britannica.com/biography/Jean-Nicolet" class="md-crosslink " data-show-preview="true">Jean Nicolet</a> became the first European to see Lake Michigan. The Jesuit <a href="https://www.britannica.com/biography/Claude-Jean-Allouez" class="md-crosslink autoxref " data-show-preview="true">Claude-Jean Allouez</a> began missionary work among the Indians of Green Bay and the Fox River in 1668. The French explorer <span id="ref97383"></span><a href="https://www.britannica.com/biography/Louis-Jolliet" class="md-crosslink " data-show-preview="true">Louis Jolliet</a> and the French missionary <span id="ref97384"></span><a href="https://www.britannica.com/biography/Jacques-Marquette" class="md-crosslink " data-show-preview="true">Jacques Marquette</a> mapped the lake’s western shore from Green Bay to Chicago in 1673. <span id="ref97385"></span><a href="https://www.britannica.com/biography/Rene-Robert-Cavelier-sieur-de-La-Salle" class="md-crosslink " data-show-preview="true">Robert Cavelier, sieur de La Salle</a>, also of <a href="https://www.britannica.com/place/France" class="md-crosslink autoxref " data-show-preview="true">France</a>, brought the first sailing ship to the lake in 1679, but it was lost in a storm on its return eastward with a <a class="md-dictionary-link md-dictionary-tt-off eb" data-term="cargo" href="https://www.britannica.com/dictionary/cargo" data-type="EB">cargo</a> of furs. La Salle later established a trading post near <a href="https://www.britannica.com/biography/Saint-Joseph" class="md-crosslink autoxref " data-show-preview="true">St. Joseph</a>, Michigan. The name of the lake is from the Algonquian Indian term <em>michigami</em> or <em>misschiganin</em>, meaning “big lake.”</p><span class="marker MOD6 mod-inline"></span></section> <span class="md-signature"><a href="/editor/The-Editors-of-Encyclopaedia-Britannica/4419">The Editors of Encyclopaedia Britannica</a></span><span class="md-signature">This article was most recently revised and updated by <a href="/editor/Michele-Metych/9760897">Michele Metych</a>.</span><span class="marker end-of-content"></span><span class="marker after-article"></span></div> <div id="chatbot-root"></div> </div> </div> </div> <div class="ai-dialog-placeholder"></div> </div> </div> <aside class="col-md-da-320"></aside> </div> </div> </div> </div> </article></div> </div></div> </div> </main> <div id="md-footer"></div> <noscript><iframe src="//www.googletagmanager.com/ns.html?id=GTM-5W6NC8" height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript> <script type="text/javascript" id="_informizely_script_tag"> var IzWidget = IzWidget || {}; (function (d) { var scriptElement = d.createElement('script'); scriptElement.type = 'text/javascript'; scriptElement.async = true; scriptElement.src = "https://insitez.blob.core.windows.net/site/f780f33e-a610-4ac2-af81-3eb184037547.js"; var node = d.getElementById('_informizely_script_tag'); node.parentNode.insertBefore(scriptElement, node); } )(document); </script>  <script> window.ap3c = window.ap3c || {}; var ap3c = window.ap3c; ap3c.cmd = ap3c.cmd || []; ap3c.cmd.push(function() { ap3c.init('ZO4siT4cLwnykPnzZWJtd3Byb2Q', 'https://engage.email.britannica.com/'); ap3c.track({v: 0}); }); ap3c.activity = function(act) { ap3c.act = (ap3c.act || []); ap3c.act.push(act); }; var s, t; s = document.createElement('script'); s.type = 'text/javascript'; s.src = "https://engage.email.britannica.com/app.js"; t = document.getElementsByTagName('script')[0]; t.parentNode.insertBefore(s, t); </script> <script class="marketing-page-info" type="application/json"> {"pageType":"Topic","templateName":"DESKTOP","pageNumber":1,"pagesTotal":1,"pageId":380110,"pageLength":676,"initialLoad":true,"lastPageOfScroll":false} </script> <script class="marketing-content-info" type="application/json"> [] </script> <script src="https://cdn.britannica.com/mendel-resources/3-130/js/libs/jquery-3.5.0.min.js?v=3.130.14"></script> <script type="text/javascript" data-type="Init Mendel Code Splitting"> (function() { $.ajax({ dataType: 'script', cache: true, url: 'https://cdn.britannica.com/mendel-resources/3-130/dist/topic-page.js?v=3.130.14' }); })(); </script> <script class="analytics-metadata" type="application/json"> {"leg":"A","adLeg":"A","userType":"ANONYMOUS","pageType":"Topic","pageSubtype":null,"articleTemplateType":"MEDIUM","gisted":false,"pageNumber":1,"hasSummarizeButton":false,"hasAskButton":false} </script> <script type="text/javascript"> EBStat={accountId:-1,hostnameOverride:'webstats.eb.com',domain:'www.britannica.com', json:''}; </script> <script type="text/javascript"> ( function() { $.ajax( { dataType: 'script', cache: true, url: '//www.britannica.com/webstats/mendelstats.js?v=1' } ) .done( function() { try {writeStat(null,EBStat);} catch(err){} } ); })(); </script> <div id="bc-fixed-dialogue"></div> </body> </html>

CINXE.COM

Lake Michigan | Depth, Freshwater, Size, & Map | Britannica