<?xml version="1.0"?>
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	<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?action=history&amp;feed=atom&amp;title=Afon_Gelli-dywyll</id>
	<title>Afon Gelli-dywyll - Hanes golygu</title>
	<link rel="self" type="application/atom+xml" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?action=history&amp;feed=atom&amp;title=Afon_Gelli-dywyll"/>
	<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Afon_Gelli-dywyll&amp;action=history"/>
	<updated>2026-05-06T22:38:17Z</updated>
	<subtitle>Hanes diwygio&#039;r dudalen hon ar y wici</subtitle>
	<generator>MediaWiki 1.43.1</generator>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Afon_Gelli-dywyll&amp;diff=13297&amp;oldid=prev</id>
		<title>Cyfaill Eben am 14:49, 4 Ebrill 2022</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Afon_Gelli-dywyll&amp;diff=13297&amp;oldid=prev"/>
		<updated>2022-04-04T14:49:02Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 15:49, 4 Ebrill 2022&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Llinell 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Mae &#039;&#039;&#039;Afon Gelli Dywyll&#039;&#039;&#039; yn gynnyrch dwy nant, un sy&#039;n codi o dan gopa mynydd [[Y Garn]] a&#039;r llall &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;sydd yn &lt;/del&gt;codi ar lethrau serth creigiau [[Trum y Ddysgl]], cyn llifo i lawr [[Cwm Tal-y-mignedd]], cwm serth tua&#039;r gogledd-orllewin am ryw ffilltir ar draws tir [[Tal-y-mignedd Uchaf]], ac i&#039;r dwyrain o fferm [[Tal-y-mignedd Isaf]], cyn cyrraedd [[Afon Drws-y-coed]] neu [[Afon Gopr]], sef rhan uchaf [[Afon Llyfni]]. Nant fynyddig ydyw yn hytrach nag afon sylweddol.&amp;lt;ref&amp;gt;Thomas Alun Williams, &quot;Afonydd Nantlle&quot;, &#039;&#039;Baladeulyn Ddoe a Heddiw&#039;&#039;, cyhoeddwyd yn ddigidol yn unig ar wefan Nantlle.com [http://www.nantlle.com/hanes-nantlle-baladeulyn.htm#7]&amp;lt;/ref&amp;gt; Ar fapiau Ordnans mae&#039;n cadel ei chamenwi fel Afon Tal-y-mignedd, afon ychydig i&#039;r gorllewin iddi.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Mae &#039;&#039;&#039;Afon Gelli Dywyll&#039;&#039;&#039; yn gynnyrch dwy nant, un sy&#039;n codi o dan gopa mynydd [[Y Garn]] a&#039;r llall &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;sy&#039;n &lt;/ins&gt;codi ar lethrau serth creigiau [[Trum y Ddysgl]], cyn llifo i lawr [[Cwm Tal-y-mignedd]], cwm serth tua&#039;r gogledd-orllewin&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;. Mae&#039;n llifo &lt;/ins&gt;am ryw ffilltir ar draws tir [[Tal-y-mignedd Uchaf]], ac i&#039;r dwyrain o fferm [[Tal-y-mignedd Isaf]], cyn cyrraedd [[Afon Drws-y-coed]] neu [[Afon Gopr]], sef rhan uchaf [[Afon Llyfni]]. Nant fynyddig ydyw yn hytrach nag afon sylweddol.&amp;lt;ref&amp;gt;Thomas Alun Williams, &quot;Afonydd Nantlle&quot;, &#039;&#039;Baladeulyn Ddoe a Heddiw&#039;&#039;, cyhoeddwyd yn ddigidol yn unig ar wefan Nantlle.com [http://www.nantlle.com/hanes-nantlle-baladeulyn.htm#7]&amp;lt;/ref&amp;gt; Ar fapiau Ordnans mae&#039;n cadel ei chamenwi fel Afon Tal-y-mignedd, afon ychydig i&#039;r gorllewin iddi.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{eginyn}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{eginyn}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Cyfaill Eben</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Afon_Gelli-dywyll&amp;diff=10850&amp;oldid=prev</id>
		<title>Irion am 10:43, 15 Chwefror 2021</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Afon_Gelli-dywyll&amp;diff=10850&amp;oldid=prev"/>
		<updated>2021-02-15T10:43:31Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 11:43, 15 Chwefror 2021&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Llinell 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Mae &#039;&#039;&#039;Afon Gelli Dywyll&#039;&#039;&#039; yn gynnyrch dwy nant, un sy&#039;n codi o dan gopa mynydd [[Y Garn]] a&#039;r llall sydd yn codi ar lethrau serth creigiau [[Trum y Ddysgl]], cyn llifo i lawr [[Cwm Tal-y-mignedd]], cwm serth tua&#039;r gogledd-orllewin am ryw ffilltir ar draws tir [[Tal-y-mignedd Uchaf]], ac i&#039;r dwyrain o fferm [[Tal-y-mignedd Isaf]], cyn cyrraedd [[Afon Drws-y-coed]] neu [[Afon Gopr]], sef rhan uchaf [[Afon &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Llyfnwy&lt;/del&gt;]]. Nant fynyddig ydyw yn hytrach nag afon sylweddol.&amp;lt;ref&amp;gt;Thomas Alun Williams, &quot;Afonydd Nantlle&quot;, &#039;&#039;Baladeulyn Ddoe a Heddiw&#039;&#039;, cyhoeddwyd yn ddigidol yn unig ar wefan Nantlle.com [http://www.nantlle.com/hanes-nantlle-baladeulyn.htm#7]&amp;lt;/ref&amp;gt; Ar fapiau Ordnans mae&#039;n cadel ei chamenwi fel Afon Tal-y-mignedd, afon ychydig i&#039;r gorllewin iddi.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Mae &#039;&#039;&#039;Afon Gelli Dywyll&#039;&#039;&#039; yn gynnyrch dwy nant, un sy&#039;n codi o dan gopa mynydd [[Y Garn]] a&#039;r llall sydd yn codi ar lethrau serth creigiau [[Trum y Ddysgl]], cyn llifo i lawr [[Cwm Tal-y-mignedd]], cwm serth tua&#039;r gogledd-orllewin am ryw ffilltir ar draws tir [[Tal-y-mignedd Uchaf]], ac i&#039;r dwyrain o fferm [[Tal-y-mignedd Isaf]], cyn cyrraedd [[Afon Drws-y-coed]] neu [[Afon Gopr]], sef rhan uchaf [[Afon &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Llyfni&lt;/ins&gt;]]. Nant fynyddig ydyw yn hytrach nag afon sylweddol.&amp;lt;ref&amp;gt;Thomas Alun Williams, &quot;Afonydd Nantlle&quot;, &#039;&#039;Baladeulyn Ddoe a Heddiw&#039;&#039;, cyhoeddwyd yn ddigidol yn unig ar wefan Nantlle.com [http://www.nantlle.com/hanes-nantlle-baladeulyn.htm#7]&amp;lt;/ref&amp;gt; Ar fapiau Ordnans mae&#039;n cadel ei chamenwi fel Afon Tal-y-mignedd, afon ychydig i&#039;r gorllewin iddi.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{eginyn}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{eginyn}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Irion</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Afon_Gelli-dywyll&amp;diff=10848&amp;oldid=prev</id>
		<title>Irion am 10:21, 15 Chwefror 2021</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Afon_Gelli-dywyll&amp;diff=10848&amp;oldid=prev"/>
		<updated>2021-02-15T10:21:25Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 11:21, 15 Chwefror 2021&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Llinell 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Mae &#039;&#039;&#039;Afon Gelli Dywyll&#039;&#039;&#039; yn gynnyrch dwy nant, un sy&#039;n codi o dan gopa mynydd [[Y Garn]] a&#039;r llall sydd yn codi ar lethrau serth [[&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Mynydd Drws-&lt;/del&gt;y&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;-coed&lt;/del&gt;]], cyn llifo i lawr cwm serth tua&#039;r gogledd-orllewin am ryw ffilltir ar draws tir [[Tal-y-mignedd Uchaf]], ac i&#039;r dwyrain o fferm [[Tal-y-mignedd Isaf]], cyn cyrraedd [[Afon Drws-y-coed]] neu [[Afon Gopr]], sef rhan uchaf [[Afon Llyfnwy]]. Nant fynyddig ydyw yn hytrach nag afon sylweddol.&amp;lt;ref&amp;gt;Thomas Alun Williams, &quot;Afonydd Nantlle&quot;, &#039;&#039;Baladeulyn Ddoe a Heddiw&#039;&#039;, cyhoeddwyd yn ddigidol yn unig ar wefan Nantlle.com [http://www.nantlle.com/hanes-nantlle-baladeulyn.htm#7]&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Mae &#039;&#039;&#039;Afon Gelli Dywyll&#039;&#039;&#039; yn gynnyrch dwy nant, un sy&#039;n codi o dan gopa mynydd [[Y Garn]] a&#039;r llall sydd yn codi ar lethrau serth &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;creigiau &lt;/ins&gt;[[&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Trum &lt;/ins&gt;y &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Ddysgl&lt;/ins&gt;]], cyn llifo i lawr &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Cwm Tal-y-mignedd]], &lt;/ins&gt;cwm serth tua&#039;r gogledd-orllewin am ryw ffilltir ar draws tir [[Tal-y-mignedd Uchaf]], ac i&#039;r dwyrain o fferm [[Tal-y-mignedd Isaf]], cyn cyrraedd [[Afon Drws-y-coed]] neu [[Afon Gopr]], sef rhan uchaf [[Afon Llyfnwy]]. Nant fynyddig ydyw yn hytrach nag afon sylweddol.&amp;lt;ref&amp;gt;Thomas Alun Williams, &quot;Afonydd Nantlle&quot;, &#039;&#039;Baladeulyn Ddoe a Heddiw&#039;&#039;, cyhoeddwyd yn ddigidol yn unig ar wefan Nantlle.com [http://www.nantlle.com/hanes-nantlle-baladeulyn.htm#7]&amp;lt;/ref&amp;gt; &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Ar fapiau Ordnans mae&#039;n cadel ei chamenwi fel Afon Tal-y-mignedd, afon ychydig i&#039;r gorllewin iddi.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{eginyn}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{eginyn}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Irion</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Afon_Gelli-dywyll&amp;diff=9545&amp;oldid=prev</id>
		<title>Irion am 10:37, 18 Tachwedd 2020</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Afon_Gelli-dywyll&amp;diff=9545&amp;oldid=prev"/>
		<updated>2020-11-18T10:37:17Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 11:37, 18 Tachwedd 2020&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Llinell 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Mae &#039;&#039;&#039;Afon Gelli Dywyll&#039;&#039;&#039; yn gynnyrch dwy nant, un sy&#039;n codi o dan gopa mynydd [[Y Garn]] a&#039;r llall sydd yn codi ar lethrau serth [[Mynydd Drws-y-coed]], cyn llifo i lawr cwm serth tua&#039;r gogledd-orllewin am ryw ffilltir ar draws tir Tal-y-mignedd Uchaf, ac i&#039;r dwyrain o fferm Tal-y-mignedd Isaf, cyn cyrraedd [[Afon Drws-y-coed]] neu [[Afon Gopr]], sef rhan uchaf [[Afon Llyfnwy]]. Nant fynyddig ydyw yn hytrach nag afon sylweddol.&amp;lt;ref&amp;gt;Thomas Alun Williams, &quot;Afonydd Nantlle&quot;, &#039;&#039;Baladeulyn Ddoe a Heddiw&#039;&#039;, cyhoeddwyd yn ddigidol yn unig ar wefan Nantlle.com [http://www.nantlle.com/hanes-nantlle-baladeulyn.htm#7]&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Mae &#039;&#039;&#039;Afon Gelli Dywyll&#039;&#039;&#039; yn gynnyrch dwy nant, un sy&#039;n codi o dan gopa mynydd [[Y Garn]] a&#039;r llall sydd yn codi ar lethrau serth [[Mynydd Drws-y-coed]], cyn llifo i lawr cwm serth tua&#039;r gogledd-orllewin am ryw ffilltir ar draws tir &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/ins&gt;Tal-y-mignedd Uchaf&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;, ac i&#039;r dwyrain o fferm &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/ins&gt;Tal-y-mignedd Isaf&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;, cyn cyrraedd [[Afon Drws-y-coed]] neu [[Afon Gopr]], sef rhan uchaf [[Afon Llyfnwy]]. Nant fynyddig ydyw yn hytrach nag afon sylweddol.&amp;lt;ref&amp;gt;Thomas Alun Williams, &quot;Afonydd Nantlle&quot;, &#039;&#039;Baladeulyn Ddoe a Heddiw&#039;&#039;, cyhoeddwyd yn ddigidol yn unig ar wefan Nantlle.com [http://www.nantlle.com/hanes-nantlle-baladeulyn.htm#7]&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{eginyn}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{eginyn}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Irion</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Afon_Gelli-dywyll&amp;diff=9538&amp;oldid=prev</id>
		<title>Hebog: Symudodd Hebog y dudalen Afon Gelli Dywyll i Afon Gelli-dywyll</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Afon_Gelli-dywyll&amp;diff=9538&amp;oldid=prev"/>
		<updated>2020-11-18T10:15:09Z</updated>

		<summary type="html">&lt;p&gt;Symudodd Hebog y dudalen &lt;a href=&quot;/wici/Afon_Gelli_Dywyll&quot; class=&quot;mw-redirect&quot; title=&quot;Afon Gelli Dywyll&quot;&gt;Afon Gelli Dywyll&lt;/a&gt; i &lt;a href=&quot;/wici/Afon_Gelli-dywyll&quot; title=&quot;Afon Gelli-dywyll&quot;&gt;Afon Gelli-dywyll&lt;/a&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 11:15, 18 Tachwedd 2020&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-notice&quot; lang=&quot;cy&quot;&gt;&lt;div class=&quot;mw-diff-empty&quot;&gt;(Dim gwahaniaeth)&lt;/div&gt;
&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</summary>
		<author><name>Hebog</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Afon_Gelli-dywyll&amp;diff=9537&amp;oldid=prev</id>
		<title>Hebog am 10:14, 18 Tachwedd 2020</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Afon_Gelli-dywyll&amp;diff=9537&amp;oldid=prev"/>
		<updated>2020-11-18T10:14:35Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 11:14, 18 Tachwedd 2020&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Llinell 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Mae &#039;&#039;&#039;Afon Gelli Dywyll&#039;&#039;&#039; yn&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Mae &#039;&#039;&#039;Afon Gelli Dywyll&#039;&#039;&#039; yn &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;gynnyrch dwy nant, un sy&#039;n codi o dan gopa mynydd [[Y Garn]] a&#039;r llall sydd yn codi ar lethrau serth [[Mynydd Drws-y-coed]], cyn llifo i lawr cwm serth tua&#039;r gogledd-orllewin am ryw ffilltir ar draws tir Tal-y-mignedd Uchaf, ac i&#039;r dwyrain o fferm Tal-y-mignedd Isaf, cyn cyrraedd [[Afon Drws-y-coed]] neu [[Afon Gopr]], sef rhan uchaf [[Afon Llyfnwy]]. Nant fynyddig ydyw yn hytrach nag afon sylweddol.&amp;lt;ref&amp;gt;Thomas Alun Williams, &quot;Afonydd Nantlle&quot;, &#039;&#039;Baladeulyn Ddoe a Heddiw&#039;&#039;, cyhoeddwyd yn ddigidol yn unig ar wefan Nantlle.com [http://www.nantlle.com/hanes-nantlle-baladeulyn.htm#7]&amp;lt;/ref&amp;gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;{{eginyn}}&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;==Cyfeiriadau==&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;{{cyfeiriadau}}&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Categori:Afonydd]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Hebog</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Afon_Gelli-dywyll&amp;diff=9536&amp;oldid=prev</id>
		<title>Hebog: Crëwyd tudalen newydd yn dechrau gyda &#039;Mae &#039;&#039;&#039;Afon Gelli Dywyll&#039;&#039;&#039; yn&#039;</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Afon_Gelli-dywyll&amp;diff=9536&amp;oldid=prev"/>
		<updated>2020-11-18T09:59:34Z</updated>

		<summary type="html">&lt;p&gt;Crëwyd tudalen newydd yn dechrau gyda &amp;#039;Mae &amp;#039;&amp;#039;&amp;#039;Afon Gelli Dywyll&amp;#039;&amp;#039;&amp;#039; yn&amp;#039;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Tudalen newydd&lt;/b&gt;&lt;/p&gt;&lt;div&gt;Mae &amp;#039;&amp;#039;&amp;#039;Afon Gelli Dywyll&amp;#039;&amp;#039;&amp;#039; yn&lt;/div&gt;</summary>
		<author><name>Hebog</name></author>
	</entry>
</feed>