{"id":7573,"date":"2025-06-07T16:32:09","date_gmt":"2025-06-07T15:32:09","guid":{"rendered":"https:\/\/www.clwydianrangeanddeevalleyaonb.org.uk\/article\/caer-drewyn\/"},"modified":"2025-08-25T12:34:50","modified_gmt":"2025-08-25T11:34:50","slug":"caer-drewyn","status":"publish","type":"article","link":"https:\/\/www.clwydianrangeanddeevalleyaonb.org.uk\/cy\/article\/caer-drewyn\/","title":{"rendered":"Caer Drewyn"},"content":{"rendered":"<p>Lloc bychan a wedi\u2019i adeiladu yn erbyn y sgarp naturiol oedd y gaer fechan gyntaf yma. Heddiw \u2019dyw ond i\u2019w gweld yn rhannol fel clawdd a glaswellt drosto. Gellir olrhain y fryngaer ddiweddarach, fwy trwy wal gerrig sych \u2013 nid oes gan Gaer Drewyn gloddiau pridd a ffosydd fel bryngaerau lleol eraill.<\/p>\n<p>Mae\u2019r rhagfuriau cerrig hyn yn amg\u00e1u arwynebedd o dri hectar. Mae dwy fynedfa fewndro. Mae\u2019n ymddangos fod gan un ohonynt, ar fan uchaf y safle yn y gornel gogledd-ddwyreiniol, warchotgell bosibl. Mae\u2019r llall i\u2019r gorllewin yn cynnwys sylfeini adeiladau petryal. Mae yna loc allanol, neu estyniad, sy\u2019n cynnwys sylfeini cerrig llwyfan cwt posibl.<\/p>\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-vimeo wp-block-embed-vimeo wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Caer Drewyn\" src=\"https:\/\/player.vimeo.com\/video\/89922161?dnt=1&amp;app_id=122963\" width=\"1290\" height=\"726\" frameborder=\"0\" allow=\"autoplay; fullscreen; picture-in-picture; clipboard-write; encrypted-media; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\"><\/iframe>\n<\/div><\/figure>\n\n\n<blockquote>\n<p><strong>Oeddech chi\u2019n gwybod?<\/strong> <br \/>Roedd Caer Drewyn yn dal i gael ei defnyddio ymhell ar \u00f4l i\u2019r Oes Haearn ddod i ben. Dywed chwedl i Owain Gwynedd, Tywysog hunangyhoeddedig Cymru ei defnyddio, tra oedd Harri\u2019r II yn gwersyllu ar y Berwyn. Credir hefyd mai dyma\u2019r safle ble casglodd Owain Glynd\u0175r ei filwyr ar \u00f4l iddo gyhoeddi ei hun yn Dywysog Cymru yn 1400.<\/p>\n<\/blockquote>\n<p>Sonnir am Gaer Drewyn gyntaf gan Edward Lhwyd yn niwedd yr ail ganrif ar bymtheg [i] fel \u201ca place where they kept their cattle in war time\u201d ac fe\u2019i disgrifir hefyd gan Thomas Pennant [ii] tra oedd ar ei daith o gwmpas Cymru.<\/p>\n<p>Archwiliwyd y safle o ddifrif gyntaf gan y Parchedig Hugh Pritchard yn 1887 [iii]. Bu iddo glirio\u2019r rhagfur cerrig sych i ddatgelu wal gadarn oedd rhwng 5 a 7 metr o drwch.<\/p>\n<p>Archwiliodd Willoughby Gardner y wal gerrig sych yn y 1920au [iv] a chyhoeddodd doriadau a ffotograffau o\u2019i hadeiladwaith ond ni wnaeth gloddio. Fel Pennant mae\u2019n s\u00f4n am y pantiau crwn yn y wal ac yn awgrymu y gallent fod yn gocynau grugieir.<\/p>\n<p>Yn yr History of Merionethshire o 1967, mae Bowen a Gresham yn awgrymu bod y safle wedi\u2019i ddatblygu mewn pedwar cam [v].<\/p>\n<p>Hyd y gwyddon ni fu dim cloddio ar Gaer Drewyn o\u2019r blaen. Yn 1993 a 1994 bu i astudiaeth o gennau ar furiau\u2019r fryngaer enwi 60 o wahanol rywogaethau, mae rhai ohonynt yn brin yn lleol.<\/p>\n<p>Yn 2006 gwnaeth Engineering Archaeological Services (EAS) arolwg topograffig a ganfu wyth o lwyfannau cytiau posibl y tu mewn i\u2019r prif loc ynghyd \u00e2 chyfnodau posibl ar gyfer adeiladu\u2019r fryngaer.<\/p>\n<p><em>[i] Edward Lhwyd Parochialia <\/em><br \/><em>[ii] T.Pennant Tours in Wales <\/em><br \/><em>[iii] Rev. Pritchard 1887 Archaeologica Cambrensis <\/em><br \/><em>[iv] W Gardner 1922 Archaeologica Cambrensis 108-125 <\/em><br \/><em>[v] Bowen and Gresham 1967 History of Merioneth<\/em><\/p>\n<p><strong>Sut i gyrraedd yno<\/strong> <br \/>Mae\u2019r parcio agosaf wrth y pwll nofio lleol ar y B5437 gyferbyn \u00e2\u2019r bont dros Afon Dyfrdwy ar y ffordd o Gorwen (A5). Gellir cyrraedd y safle ar hyd llwybr cyhoeddus sydd ag arwyddion clir ar ochr ogleddol y B5437 yn union i\u2019r dwyrain o\u2019r pwll nofio. Mae\u2019r llwybr yn dilyn l\u00f4n dda sy\u2019n ymdroelli islaw ochr orllewinol y fryngaer. Yna mae\u2019n gwyro\u2019n sydyn i\u2019r dde, i fyny\u2019r ystlys orllewinol, ar hyd tu allan y rhagfur deheuol ac i\u2019r llidiart gogledd-ddwyreiniol.<\/p>\n<p>OS map: Explorer 256 neu 255\u2028OS. Cyfeirnod Grid: SJ087444<\/p>","protected":false},"excerpt":{"rendered":"<p>Lloc bychan a wedi\u2019i adeiladu yn erbyn y sgarp naturiol oedd y gaer fechan gyntaf yma. Heddiw \u2019dyw ond i\u2019w gweld yn rhannol fel clawdd a glaswellt drosto. Gellir olrhain y fryngaer ddiweddarach, fwy trwy wal gerrig sych \u2013 nid oes gan Gaer Drewyn gloddiau pridd a ffosydd fel bryngaerau lleol eraill. Mae\u2019r rhagfuriau cerrig [&hellip;]<\/p>\n","protected":false},"featured_media":2141,"menu_order":0,"template":"","article-category":[],"class_list":["post-7573","article","type-article","status-publish","has-post-thumbnail","hentry"],"blocksy_meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Caer Drewyn - Clwydian Range and Dee Valley National Landscape<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.clwydianrangeanddeevalleyaonb.org.uk\/cy\/article\/caer-drewyn\/\" \/>\n<meta property=\"og:locale\" content=\"cy_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Caer Drewyn - Clwydian Range and Dee Valley National Landscape\" \/>\n<meta property=\"og:description\" content=\"Lloc bychan a wedi\u2019i adeiladu yn erbyn y sgarp naturiol oedd y gaer fechan gyntaf yma. 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