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Morfa Gwent - Wicipedia
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<input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toglo'r tabl cynnwys" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toglo'r tabl cynnwys</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Morfa Gwent</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Ewch i erthygl mewn iaith arall. Ar gael mewn 1 iaith" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-1" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">1 iaith</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Caldicot_and_Wentloog_Levels" title="Caldicot and Wentloog Levels - Saesneg" lang="en" hreflang="en" data-title="Caldicot and Wentloog Levels" data-language-autonym="English" data-language-local-name="Saesneg" class="interlanguage-link-target"><span>English</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q5019090#sitelinks-wikipedia" title="Golygu dolenni rhyngwici" class="wbc-editpage">Golygu dolenni</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Parthau"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Morfa_Gwent" title="Gweld y dudalen bwnc [c]" accesskey="c"><span>Erthygl</span></a></li><li id="ca-talk" class="new vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Sgwrs:Morfa_Gwent&action=edit&redlink=1" rel="discussion" class="new" title="Sgwrsio am y dudalen (dim tudalen ar gael) [t]" accesskey="t"><span>Sgwrs</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Newid amrywiad iaith" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Cymraeg</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Golygon"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Morfa_Gwent"><span>Darllen</span></a></li><li id="ca-ve-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Morfa_Gwent&veaction=edit" title="Golygu'r dudalen hon [v]" accesskey="v"><span>Golygu</span></a></li><li id="ca-edit" class="collapsible vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Morfa_Gwent&action=edit" title="Golygu cod ffynhonnell y dudalen hon [e]" accesskey="e"><span>Golygu cod</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Morfa_Gwent&action=history" title="Fersiynau cynt o'r dudalen hon. [h]" accesskey="h"><span>Gweld hanes</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Offer tudalen"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Blwch offer" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Blwch offer</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Blwch offer</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">symud i'r bar ochr</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">cuddio</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Rhagor o opsiynau" > <div class="vector-menu-heading"> Gweithredoedd </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/Morfa_Gwent"><span>Darllen</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Morfa_Gwent&veaction=edit" title="Golygu'r dudalen hon [v]" accesskey="v"><span>Golygu</span></a></li><li id="ca-more-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Morfa_Gwent&action=edit" title="Golygu cod ffynhonnell y dudalen hon [e]" accesskey="e"><span>Golygu cod</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Morfa_Gwent&action=history"><span>Gweld hanes</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Cyffredinol </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Arbennig:WhatLinksHere/Morfa_Gwent" title="Rhestr o bob tudalen sy'n cysylltu â hon [j]" accesskey="j"><span>Beth sy'n cysylltu yma</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Arbennig:RecentChangesLinked/Morfa_Gwent" rel="nofollow" title="Newidiadau diweddar i dudalennau sydd yn cysylltu â hon [k]" accesskey="k"><span>Newidiadau perthnasol</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Arbennig:SpecialPages" title="Rhestr o'r holl dudalennau arbennig [q]" accesskey="q"><span>Tudalennau arbennig</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Morfa_Gwent&oldid=12635731" title="Dolen barhaol i'r fersiwn hwn y dudalen hon"><span>Dolen barhaol</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Morfa_Gwent&action=info" title="Mwy o wybodaeth am y dudalen hon"><span>Gwybodaeth am y dudalen</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Arbennig:CiteThisPage&page=Morfa_Gwent&id=12635731&wpFormIdentifier=titleform" title="Gwybodaeth ar sut i gyfeirio at y dudalen hon"><span>Cyfeirio at y dudalen hon</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Arbennig:UrlShortener&url=https%3A%2F%2Fcy.wikipedia.org%2Fwiki%2FMorfa_Gwent"><span>Cael URL byr</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Arbennig:QrCode&url=https%3A%2F%2Fcy.wikipedia.org%2Fwiki%2FMorfa_Gwent"><span>Lawrlwytho cod QR</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Argraffu / allforio </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=Arbennig:Book&bookcmd=book_creator&referer=Morfa+Gwent"><span>Llunio llyfr</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Arbennig:DownloadAsPdf&page=Morfa_Gwent&action=show-download-screen"><span>Lawrlwytho fel PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Morfa_Gwent&printable=yes" title="Cynhyrchwch fersiwn o'r dudalen yn barod at ei hargraffu [p]" accesskey="p"><span>Fersiwn argraffu</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> Mewn prosiectau eraill </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q5019090" title="Cysylltu i eitem ystorfa gysylltiedig [g]" accesskey="g"><span>Eitem Wicidata</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Offer tudalen"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Gwedd"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Gwedd</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">symud i'r bar ochr</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">cuddio</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Oddi ar Wicipedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="cy" dir="ltr"><table class="infobox" style="width:22em"><caption>Morfa Gwent</caption><tbody><tr><td colspan="2" style="text-align:center"><span typeof="mw:File"><a href="/wiki/Delwedd:Caldicot_Moor_trig_-_geograph.org.uk_-_100666.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/1/16/Caldicot_Moor_trig_-_geograph.org.uk_-_100666.jpg/280px-Caldicot_Moor_trig_-_geograph.org.uk_-_100666.jpg" decoding="async" width="280" height="187" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/16/Caldicot_Moor_trig_-_geograph.org.uk_-_100666.jpg/420px-Caldicot_Moor_trig_-_geograph.org.uk_-_100666.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/16/Caldicot_Moor_trig_-_geograph.org.uk_-_100666.jpg/560px-Caldicot_Moor_trig_-_geograph.org.uk_-_100666.jpg 2x" data-file-width="640" data-file-height="427" /></a></span></td></tr><tr><th scope="row">Math</th><td>coastal plain, <a href="/wiki/Gwlyptir" title="Gwlyptir">gwlyptir</a>, ardal <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q5019090?uselang=cy#P31" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></td></tr><tr><th scope="row">Enwyd ar ôl</th><td>Caldicot Hundred, Wentloog Hundred <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q5019090?uselang=cy#P138" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></td></tr><tr><td colspan="2" style="text-align:center"><div class="center"></div></td></tr><tr><th colspan="2" style="text-align:center;background:#ddf;">Daearyddiaeth</th></tr><tr><th scope="row">Sir</th><td><a href="/wiki/Sir_Fynwy" title="Sir Fynwy">Sir Fynwy</a>, <a href="/wiki/Casnewydd_(sir)" title="Casnewydd (sir)">Casnewydd</a>, Dinas a Sir Caerdydd <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q5019090?uselang=cy#P131" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></td></tr><tr><th scope="row">Gwlad</th><td><span typeof="mw:File"><a href="/wiki/Delwedd:Flag_of_Wales.svg" class="mw-file-description" title="Baner Cymru"><img alt="Baner Cymru" src="//upload.wikimedia.org/wikipedia/commons/thumb/d/dc/Flag_of_Wales.svg/22px-Flag_of_Wales.svg.png" decoding="async" width="22" height="13" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/dc/Flag_of_Wales.svg/33px-Flag_of_Wales.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/dc/Flag_of_Wales.svg/44px-Flag_of_Wales.svg.png 2x" data-file-width="800" data-file-height="480" /></a></span> <a href="/wiki/Cymru" title="Cymru">Cymru</a></td></tr><tr><th scope="row">Gerllaw</th><td><a href="/wiki/Aber_Hafren" title="Aber Hafren">Aber Hafren</a> <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q5019090?uselang=cy#P206" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></td></tr><tr><th scope="row">Cyfesurynnau</th><td>51.58°N 3°W <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q5019090?uselang=cy#P625" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></td></tr><tr><td colspan="2" style="text-align:center"><a class="mw-kartographer-map notheme mw-kartographer-container center" style="width: 280px; height: 250px;" data-mw-kartographer="mapframe" data-style="osm-intl" data-width="280" data-height="250" data-zoom="8" data-lat="51.58" data-lon="-3" data-overlays="["_6d77ffb717f32786e3b1ba9845f33c233e3ad2ed"]" href="/wiki/Arbennig:Map/8/51.58/-3/cy"><img src="https://maps.wikimedia.org/img/osm-intl,8,51.58,-3,280x250.png?lang=cy&domain=cy.wikipedia.org&title=Morfa_Gwent&revid=12635731&groups=_6d77ffb717f32786e3b1ba9845f33c233e3ad2ed" width="280" height="250" decoding="async" srcset="https://maps.wikimedia.org/img/osm-intl,8,51.58,-3,280x250@2x.png?lang=cy&domain=cy.wikipedia.org&title=Morfa_Gwent&revid=12635731&groups=_6d77ffb717f32786e3b1ba9845f33c233e3ad2ed 2x" alt="Map" /></a></td></tr><tr><td colspan="2" style="text-align:center"><div style="text-align: center;"></div></td></tr><tr><td colspan="2" style="text-align:center"><div class="metadata" style="text-align: right;">[<a href="https://www.wikidata.org/wiki/Q5019090" class="extiw" title="d:Q5019090">golygwch ar Wicidata</a>]</div></td></tr></tbody></table> <p><b>Morfa Gwent</b> yw rhan ddeheuol, arfordirol yr hen <a href="/wiki/Sir_Fynwy" title="Sir Fynwy">Sir Fynwy</a>, rhan o sir seremonïol <a href="/wiki/Gwent" title="Gwent">Gwent</a>. Fe'i lleolir rhwng <a href="/wiki/Caerdydd" title="Caerdydd">Caerdydd</a> yn y gorllewin a <a href="/wiki/Cas-gwent" title="Cas-gwent">Chas-gwent</a> yn y dwyrain. Caiff ei rhannu'n ddwy gan aber yr <a href="/wiki/Afon_Wysg" title="Afon Wysg">Wysg</a>: Morfa Gwynllŵg (<i>Wentlooge levels</i>) i'r gorllewin a Morfa Cil-y-coed (<i>Caldicot Level</i>) yn y dwyrain; saif <a href="/wiki/Casnewydd" title="Casnewydd">Casnewydd</a> yn union yn y canol. </p><p>Yn Hydref 2020 cyhoeddodd <a href="/wiki/Boris_Johnson" title="Boris Johnson">Boris Johnson</a>, Prif Weinidog y DU ei fwriad i fynd ati i greu traffordd 'coridor yr <a href="/wiki/M4" class="mw-redirect" title="M4">M4</a>', drwy'r ardal, er gwaethaf penderfyniad Llywodraeth Cymru i beidio a gwneud hynny oherwydd pwysigrwydd y safle. </p> <div class="mw-heading mw-heading2"><h2 id="Cynefin_o_ddiddordeb_gwyddonol,_hanesyddol_a_harddwch_naturiol"><span id="Cynefin_o_ddiddordeb_gwyddonol.2C_hanesyddol_a_harddwch_naturiol"></span>Cynefin o ddiddordeb gwyddonol, hanesyddol a harddwch naturiol</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Morfa_Gwent&veaction=edit&section=1" title="Golygu'r adran: Cynefin o ddiddordeb gwyddonol, hanesyddol a harddwch naturiol" class="mw-editsection-visualeditor"><span>golygu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Morfa_Gwent&action=edit&section=1" title="Edit section's source code: Cynefin o ddiddordeb gwyddonol, hanesyddol a harddwch naturiol"><span>golygu cod</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Ceir yma 8 <a href="/wiki/Safle_o_Ddiddordeb_Gwyddonol_Arbennig" title="Safle o Ddiddordeb Gwyddonol Arbennig">Safle o Ddiddordeb Gwyddonol Arbennig</a> gan gynnwys <a href="/wiki/Aber_Hafren" title="Aber Hafren">Aber Hafren</a>, <a href="/wiki/Coetir_Pen-h%C5%B5" title="Coetir Pen-hŵ">Coetir Pen-hŵ</a> ac un safle Natura2000 sydd hefyd yn safle RAMSAR, sef aber yr Hafren; ceir hefyd ardal gadwriaethol oddeutu <a href="/wiki/Y_Redwig" title="Y Redwig">Redwig</a>.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> Mae yma hefyd un <a href="/wiki/Gwarchodfeydd_Natur_Cenedlaethol_yng_Nghymru" class="mw-redirect" title="Gwarchodfeydd Natur Cenedlaethol yng Nghymru">Gwarchodfeydd Natur Cenedlaethol</a> hynod bwysig <a href="/wiki/Cors_Fagwyr" title="Cors Fagwyr">Cors Fagwyr</a>. </p><p>Yn ôl Ymddiriedolaeth Archaeolegol Morgannwg-Gwent a'r Gofrestr o Dirluniau Hanesyddol (<i> Historic Landscapes Register</i>), mae'r ardal yn "arbennig o unigryw o ran amrywiaeth gyfoethog ei chynefinoedd a'i <a href="/wiki/Archaeoleg" title="Archaeoleg">harchaeoleg</a>". </p><p>Fel mae'r gair 'morfa' yn ei awgrymu, mae llawer o'r ardal yma yn is na lefel y llanw Uchel Cymedrig ac yn dir sydd wedi ei adennill o'r môr dros gyfnod o 2,000 o flynyddoedd. Yn hanesyddol mae lefel y môr wedi amrywio ac ar adegau roedd yn llawer is nag y mae heddiw. Mae'n dirwedd arbennig, wastad, isel gyda rhwydwaith o ddyfrffosydd sy'n llifo rhwng caeau amaethyddol. Adenillwyd corsydd a thir yma yn <a href="/wiki/Cyfnod_y_Rhufeiniaid_yng_Nghymru" title="Cyfnod y Rhufeiniaid yng Nghymru">Oes y Rhufeiniaid</a>. Mae'r gwaddodion a'r mawnogydd yn gorchuddio tystiolaeth archeolegol sy'n dyddio o <a href="/wiki/Oes_Ganol_y_Cerrig" title="Oes Ganol y Cerrig">Oes Ganol y Cerrig</a> (y Mesolithig), gydag olion traed dynol mewn clai wedi eu ffosileiddio yn <a href="/wiki/Allteuryn" title="Allteuryn">Allteuryn</a>, ac olion llwyfannau tai yr <a href="/wiki/Oes_Efydd" class="mw-redirect" title="Oes Efydd">Oes Efydd</a>, gwaith pren Rhufeinig, a mynachdai ac adeiladau ffermydd Canoloesol. Mae'r ardal, felly, yn adnodd hanesyddol ac archeolegol eithriadol gyfoethog.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p><p>Yma, yn ystod y 150 blynedd diwethaf, codwyd rheilffordd, dwy draffordd, gwaith dur enfawr, a gorsaf bŵer. Ond mae rhannau sylweddol o'r dirwedd wledig a nodweddion hanesyddol wedi eu cadw, gan gynnwys, mewn aml i le, y ffosydd sy'n rheoli'r dŵr rhwng y caeau, sef rhewynau. Ceir yma eglwysi <a href="/wiki/Yr_Oesoedd_Canol" title="Yr Oesoedd Canol">canoloesol</a>. Mae'r rhewynau'n cynnal planhigion dŵr prin ac amrywiaeth eang o <a href="/wiki/Fertebrat" title="Fertebrat">anifeiliaid di-asgwrn-cefn</a>, a cheir llawer o adar prin yn enwedig o fewn ardal 'Gwarchodfa Gwlypdiroedd Casnewydd'. Yn Collister Pill, ceir olion hen fforest wedi'i ffosileiddio. </p> <div class="mw-heading mw-heading2"><h2 id="Datblygu'r_M4"><span id="Datblygu.27r_M4"></span>Datblygu'r M4</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Morfa_Gwent&veaction=edit&section=2" title="Golygu'r adran: Datblygu'r M4" class="mw-editsection-visualeditor"><span>golygu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Morfa_Gwent&action=edit&section=2" title="Edit section's source code: Datblygu'r M4"><span>golygu cod</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Yn 2016 cyhoeddodd <a href="/wiki/Llywodraeth_Cymru" title="Llywodraeth Cymru">Llywodraeth Cymru</a> cynlluniau a oedd yn cynnwys darluniau, asesiadau amgylcheddol ac adroddiadau ar gyfer y prosiect o greu coridor rhwng Caerdydd a Llundain, drwy ddatblygu rhan newydd o draffordd i'r de o <a href="/wiki/Casnewydd" title="Casnewydd">Gasnewydd</a>. Yna cynhaliwyd Ymchwiliad Cyhoeddus dros flwyddyn o hyd, ac a gwblhawyd yng ngwanwyn 2018.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> Penderfyniad Llywodraeth Cymru oedd peidio â bwrw ymlaen â'r cynllun. </p><p>Yn Hydref 2020 cyhoeddodd <a href="/wiki/Boris_Johnson" title="Boris Johnson">Boris Johnson</a>, Prif Weinidog y DU ei fwriad i fynd ymlaen i greu'r draffordd, er gwaethaf penderfyniad Llywodraeth Cymru. Roedd hyn yn dilyn, ychydig ddyddiau wedi i San Steffan ddadwneud unrhyw benderfyniad gan y tair llywodraeth ddatganoledig, pan basiwyd <a href="/wiki/Mesur_y_Farchnad_Fewnol" title="Mesur y Farchnad Fewnol">Mesur y Farchnad Fewnol</a>. Gwelwyd hyn fel rhan o ymgais Lloegr i atal <a href="/wiki/Annibyniaeth_i_Gymru" title="Annibyniaeth i Gymru">annibyniaeth i Gymru</a>.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Cyfeiriadau">Cyfeiriadau</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Morfa_Gwent&veaction=edit&section=3" title="Golygu'r adran: Cyfeiriadau" class="mw-editsection-visualeditor"><span>golygu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Morfa_Gwent&action=edit&section=3" title="Edit section's source code: Cyfeiriadau"><span>golygu cod</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="reflist" style="list-style-type: decimal;"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://orapweb.rcahms.gov.uk/coflein/6/665055.PDF">orapweb.rcahms.gov.uk;</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20201010043740/http://orapweb.rcahms.gov.uk/coflein/6/665055.PDF">Archifwyd</a> 2020-10-10 yn y <a href="/wiki/Peiriant_Wayback" title="Peiriant Wayback">Peiriant Wayback</a> Coflein. Adalwyd 6 Hydref 2020.</span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="https://naturalresources.wales/media/682619/nlca34-gwent-levels-description.pdf">Gwefan Cyfoeth Naturiol Cymru;</a> adalwyd 6 Hydref 2020.</span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><a href="#cite_ref-3">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="https://llyw.cymru/m4-y-coridor-o-amgylch-casnewydd-trosolwg">Gwefan Llywodraeth Cymru;</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20210124121659/https://llyw.cymru/m4-y-coridor-o-amgylch-casnewydd-trosolwg">Archifwyd</a> 2021-01-24 yn y <a href="/wiki/Peiriant_Wayback" title="Peiriant Wayback">Peiriant Wayback</a> teitl: 'M4: y coridor o amgylch Casnewydd (trosolwg)'; adalwyd 6 Hydref 2020.</span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><a href="#cite_ref-4">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="https://golwg.360.cymru/newyddion/cymru/547161-mudiad-annibyniaeth-gwrthwynebu-newydd">golwg.360.cymru;</a> teitl: 'Mudiad annibyniaeth yn gwrthwynebu M4 newydd'; adalwyd 6 Hydref 2020.</span> </li> </ol></div></div><div role="navigation" class="navbox" aria-labelledby="22x20px&#124;border_&#124;alt=Cymru&#124;link=Cymru_Ardaloedd_Gwarchod_Cymru" style="padding:3px"><table class="nowraplinks mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="3" style="background:#AFD697;"><div class="plainlinks hlist navbar mini"><ul><li class="nv-view"><a href="/wiki/Nodyn:Ardaloedd_Gwarchod_Cymru" title="Nodyn:Ardaloedd Gwarchod Cymru"><abbr title="View this template" style=";background:#AFD697;;background:none transparent;color:inherit;border:none;box-shadow:none;padding:0;">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Sgwrs_Nodyn:Ardaloedd_Gwarchod_Cymru" title="Sgwrs Nodyn:Ardaloedd Gwarchod Cymru"><abbr title="Discuss this template" style=";background:#AFD697;;background:none transparent;color:inherit;border:none;box-shadow:none;padding:0;">t</abbr></a></li><li class="nv-edit"><a class="external text" href="https://cy.wikipedia.org/w/index.php?title=Nodyn:Ardaloedd_Gwarchod_Cymru&action=edit"><abbr title="Edit this template" style=";background:#AFD697;;background:none transparent;color:inherit;border:none;box-shadow:none;padding:0;">e</abbr></a></li></ul></div><div id="22x20px&#124;border_&#124;alt=Cymru&#124;link=Cymru_Ardaloedd_Gwarchod_Cymru" style="font-size:114%;margin:0 4em"><span class="flagicon"><span class="mw-image-border" typeof="mw:File"><a href="/wiki/Cymru" title="Cymru"><img alt="Cymru" src="//upload.wikimedia.org/wikipedia/commons/thumb/d/dc/Flag_of_Wales.svg/22px-Flag_of_Wales.svg.png" decoding="async" width="22" height="13" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/dc/Flag_of_Wales.svg/33px-Flag_of_Wales.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/dc/Flag_of_Wales.svg/44px-Flag_of_Wales.svg.png 2x" data-file-width="800" data-file-height="480" /></a></span></span> Ardaloedd Gwarchod Cymru</div></th></tr><tr><td class="navbox-abovebelow hlist" colspan="3" style="background:#AFD697;"><div id="*_Daearyddiaeth_Cymru"> <ul><li><a href="/wiki/Daearyddiaeth_Cymru" title="Daearyddiaeth Cymru">Daearyddiaeth Cymru</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background:#AFD697;"><a href="/wiki/Parciau_cenedlaethol_Cymru" title="Parciau cenedlaethol Cymru">Parciau Cenedlaethol</a></th><td class="navbox-list navbox-odd hlist" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/Parc_Cenedlaethol_Bannau_Brycheiniog" title="Parc Cenedlaethol Bannau Brycheiniog">Bannau Brycheiniog</a></li> <li><a href="/wiki/Parc_Cenedlaethol_Eryri" class="mw-redirect" title="Parc Cenedlaethol Eryri">Eryri</a></li> <li><a href="/wiki/Parc_Cenedlaethol_Arfordir_Penfro" title="Parc Cenedlaethol Arfordir Penfro">Arfordir Penfro</a></li></ul> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Arfaethedig" scope="row" class="navbox-group" style="width:1%;background:#AFD697;">Arfaethedig</th><td class="navbox-list navbox-even" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/Elenydd" title="Elenydd">Elenydd</a></li> <li><a href="/wiki/Bryniau_Clwyd_a_Dyffryn_Dyfrdwy" title="Bryniau Clwyd a Dyffryn Dyfrdwy">Bryniau Clwyd a Dyffryn Dyfrdwy</a></li></ul> </div></td></tr></tbody></table><div> </div></td><td class="noviewer navbox-image" rowspan="7" style="width:1px;padding:0px 0px 0px 2px"><div><span typeof="mw:File"><a href="/wiki/Delwedd:Wales_National_Parks_and_AONBs_map_(colours).svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/47/Wales_National_Parks_and_AONBs_map_%28colours%29.svg/115px-Wales_National_Parks_and_AONBs_map_%28colours%29.svg.png" decoding="async" width="115" height="137" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/47/Wales_National_Parks_and_AONBs_map_%28colours%29.svg/173px-Wales_National_Parks_and_AONBs_map_%28colours%29.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/47/Wales_National_Parks_and_AONBs_map_%28colours%29.svg/230px-Wales_National_Parks_and_AONBs_map_%28colours%29.svg.png 2x" data-file-width="512" data-file-height="612" /></a></span></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background:#AFD697;"><a href="/wiki/Ardaloedd_Harddwch_Naturiol_Eithriadol_Cymru" title="Ardaloedd Harddwch Naturiol Eithriadol Cymru">Harddwch Naturiol</a></th><td class="navbox-list navbox-odd hlist" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/Ynys_M%C3%B4n" title="Ynys Môn">Ynys Môn</a></li> <li><a href="/wiki/Bryniau_Clwyd_a_Dyffryn_Dyfrdwy" title="Bryniau Clwyd a Dyffryn Dyfrdwy">Bryniau Clwyd a Dyffryn Dyfrdwy</a></li> <li><a href="/wiki/Penrhyn_G%C5%B5yr" title="Penrhyn Gŵyr">Gŵyr</a></li> <li><a href="/wiki/Penrhyn_Ll%C5%B7n" title="Penrhyn Llŷn">Llŷn</a></li> <li><a href="/wiki/Dyffryn_Afon_Gwy" title="Dyffryn Afon Gwy">Dyffryn Afon Gwy</a></li></ul> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Arfaethedig" scope="row" class="navbox-group" style="width:1%;background:#AFD697;">Arfaethedig</th><td class="navbox-list navbox-even" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/Elenydd" title="Elenydd">Elenydd</a></li> <li><a href="/wiki/Dyffryn_Ceiriog" title="Dyffryn Ceiriog">Dyffryn Ceiriog</a> a'r <a href="/wiki/Y_Berwyn" title="Y Berwyn">Berwyn</a></li> <li><a href="/wiki/Penrhyn_G%C5%B5yr" title="Penrhyn Gŵyr">Ehangu ardal Gŵyr</a></li> <li><a class="mw-selflink selflink">Morfa Gwent</a></li></ul> </div></td></tr></tbody></table><div> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background:#AFD697;">Arfordir Treftadaeth</th><td class="navbox-list navbox-odd hlist" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/w/index.php?title=Arfordir_Treftadaeth_Morgannwg&action=edit&redlink=1" class="new" title="Arfordir Treftadaeth Morgannwg (dim tudalen ar gael)">Morgannwg</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background:#AFD697;">Gwarchodfeydd Natur</th><td class="navbox-list navbox-even hlist" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/w/index.php?title=Rhestr_garchodfeydd_natur_lleol_Cymru&action=edit&redlink=1" class="new" title="Rhestr garchodfeydd natur lleol Cymru (dim tudalen ar gael)">Lleol</a></li> <li><a href="/wiki/Gwarchodfeydd_Natur_Cenedlaethol_Cymru" title="Gwarchodfeydd Natur Cenedlaethol Cymru">Cenedlaethol</a></li> <li><a href="/wiki/Coedwigoedd_Glaw_Celtaidd_Cymru" title="Coedwigoedd Glaw Celtaidd Cymru">Coedwigoedd Glaw Celtaidd</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background:#AFD697;"><a href="/wiki/Safle_o_Ddiddordeb_Gwyddonol_Arbennig" title="Safle o Ddiddordeb Gwyddonol Arbennig">Safleoedd gwyddonol</a></th><td class="navbox-list navbox-odd hlist" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Safleoedd_gwyddonol" scope="row" class="navbox-group" style="width:1%;background:#AFD697;"><a href="/wiki/Safle_o_Ddiddordeb_Gwyddonol_Arbennig" title="Safle o Ddiddordeb Gwyddonol Arbennig">Safleoedd gwyddonol</a></th><td class="navbox-list navbox-odd" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/Rhestr_o_SoDdGA_ym_Mhowys" title="Rhestr o SoDdGA ym Mhowys">Powys</a></li> <li><a href="/wiki/Rhestr_o_SoDdGA_yn_Sir_Gaerfyrddin_a_Dinefwr" title="Rhestr o SoDdGA yn Sir Gaerfyrddin a Dinefwr">Caerfyrddin a Dinefwr</a></li> <li><a href="/wiki/Rhestr_o_SDdGA_yng_Ngheredigion" title="Rhestr o SDdGA yng Ngheredigion">Ceredigion</a></li> <li><a href="/wiki/Rhestr_o_SoDdGA_yng_Nghlwyd" title="Rhestr o SoDdGA yng Nghlwyd">Clwyd</a></li> <li><a href="/wiki/Rhestr_o_SDdGA_yn_Nwyrain_Gwynedd" title="Rhestr o SDdGA yn Nwyrain Gwynedd">Dwyrain Gwynedd</a></li> <li><a href="/wiki/Rhestr_o_SDdGA_yng_Ngwent" title="Rhestr o SDdGA yng Ngwent">Gwent</a></li> <li><a href="/wiki/Rhestr_o_SoDdGA_yng_Nghanol_a_De_Morgannwg" title="Rhestr o SoDdGA yng Nghanol a De Morgannwg">Canol a De Morgannwg</a></li> <li><a href="/wiki/Rhestr_o_SoDdGA_yn_Nhrefaldwyn" class="mw-redirect" title="Rhestr o SoDdGA yn Nhrefaldwyn">Trefaldwyn</a></li> <li><a href="/wiki/Rhestr_o_SoDdGA_yn_y_Preseli_a_De_Penfro" title="Rhestr o SoDdGA yn y Preseli a De Penfro">Preseli a De Penfro</a></li> <li><a href="/wiki/Rhestr_o_SoDdGA_ym_Maesyfed" class="mw-redirect" title="Rhestr o SoDdGA ym Maesyfed">Maesyfed</a></li> <li><a href="/wiki/Rhestr_o_SoDdGA_yng_Ngorllewin_Morgannwg" title="Rhestr o SoDdGA yng Ngorllewin Morgannwg">Gorllewin Morgannwg</a></li> <li><a href="/wiki/Rhestr_o_SoDdGA_yng_Ngorllewin_Gwynedd" title="Rhestr o SoDdGA yng Ngorllewin Gwynedd">gorllewin Gwynedd</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background:#AFD697;">Llefydd Ewropeaidd (–2020)</th><td class="navbox-list navbox-even hlist" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/Rhestr_Ardaloedd_Cadwraeth_Arbennig_Cymru" title="Rhestr Ardaloedd Cadwraeth Arbennig Cymru">Ardaloedd Cadwraeth Arbennig</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background:#AFD697;">Eraill</th><td class="navbox-list navbox-odd hlist" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/Cadw" title="Cadw">Cadw</a></li> <li><a href="/wiki/Rhestr_eiddo%27r_Ymddiriedolaeth_Genedlaethol_yng_Nghymru" title="Rhestr eiddo'r Ymddiriedolaeth Genedlaethol yng Nghymru">Ymddiriedolaeth Genedlaethol</a></li> <li><a href="/wiki/Traethau_baner_las_Cymru" title="Traethau baner las Cymru">Traethau baner las</a></li> <li><a href="/wiki/Adeiladau_rhestredig_yng_Nghymru" title="Adeiladau rhestredig yng Nghymru">Adeiladau rhestredig</a></li> <li><a href="/wiki/Cymdeithas_Edward_Llwyd" title="Cymdeithas Edward Llwyd">Cymdeithas Edward Llwyd</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow hlist" colspan="3" style="background:#AFD697;"><div><a href="/wiki/Wicipedia:WiciBrosiect_Cymru" title="Wicipedia:WiciBrosiect Cymru">WiciBrosiect Cymru</a></div></td></tr></tbody></table></div> <!-- NewPP limit report Parsed by mw‐web.codfw.main‐6d64f599dc‐8wm4f Cached time: 20241202120803 Cache expiry: 2592000 Reduced expiry: false Complications: [] CPU time usage: 0.262 seconds Real time usage: 0.571 seconds Preprocessor 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