{"id":7520,"date":"2026-06-25T13:04:53","date_gmt":"2026-06-25T12:04:53","guid":{"rendered":"https:\/\/www.deganwyhistory.co.uk\/?page_id=7520"},"modified":"2026-06-25T13:04:53","modified_gmt":"2026-06-25T12:04:53","slug":"visit-to-telfords-bridge-conwy-200","status":"publish","type":"page","link":"https:\/\/www.deganwyhistory.co.uk\/cy\/visit-to-telfords-bridge-conwy-200\/","title":{"rendered":"Ymweliad \u00e2 Phont Telford, Conwy 200"},"content":{"rendered":"<p><strong>Ar brynhawn Iau cynnes, 18fed Mehefin, daeth tua 20 aelod o&#8217;r gr\u0175p hanes ynghyd wrth Fwa Coffa Twnnel Conwy ar ochr ddwyreiniol yr aber, i ddechrau ein taith gyntaf yn 2026. Dewiswyd &#8220;dyluniad blociog&#8221; \u200b\u200by Bwa i efelychu adeiladwaith tiwb trochi&#8217;r prif dwnnel, mor wahanol i&#8217;n pwnc ar gyfer sgwrs heddiw.<\/strong><\/p>\n<p>Arweiniwyd ein taith gerdded a&#8217;n sgwrs gan ein haelod pwyllgor Diane Williams a Paul Reed sy&#8217;n hanesydd lleol brwd. Mae Diane a Paul ill dau yn Llysgenhadon Twristiaeth Aur i Gonwy, ac yn Dywyswyr Twristiaeth Swyddogol Bathodyn Gwyn i Gonwy. Cerddom ar hyd y morglawdd, a elwir yn lleol yn y cob, tuag at gastell Conwy a&#8217;r bont grog a adeiladwyd gan Telford ym 1826. Roedd wedi bwrw glaw yn gynharach y diwrnod hwnnw ac roedd rhagolygon y tywydd yn dweud glaw ysgafn, felly roedd y rhan fwyaf ohonom wedi paratoi gyda chotiau glaw a brol\u00efau!<\/p>\n<p>Unwaith ar y bont grog, rhoddodd Diane daith gyflym i ni drwy hanes pam y cafodd y bont ei hadeiladu a&#8217;r penderfyniadau gwleidyddol ar y pryd. Rydym yn cymryd llawer ohono yn ganiataol heddiw, ond roedd croesi afon Conwy yn ddiogel drwy gydol y flwyddyn yn rhan hanfodol o fywyd yn y DU. Yn dilyn Deddfau Uno 1800, roedd yn rhaid i aelodau Senedd Iwerddon a&#8217;r bendefigaeth deithio&#8217;n aml rhwng Dulyn a San Steffan. Roeddent yn defnyddio Ffordd Caergybi, a oedd yn brif gyswllt cyfathrebu rhwng Llundain ac Iwerddon ar y pryd.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-7522\" src=\"https:\/\/www.deganwyhistory.co.uk\/wp-content\/uploads\/2026\/06\/WhatsApp-Image-2026-06-24-at-11.03.07-226x300.jpeg\" alt=\"\" width=\"226\" height=\"300\" srcset=\"https:\/\/www.deganwyhistory.co.uk\/wp-content\/uploads\/2026\/06\/WhatsApp-Image-2026-06-24-at-11.03.07-226x300.jpeg 226w, https:\/\/www.deganwyhistory.co.uk\/wp-content\/uploads\/2026\/06\/WhatsApp-Image-2026-06-24-at-11.03.07-771x1024.jpeg 771w, https:\/\/www.deganwyhistory.co.uk\/wp-content\/uploads\/2026\/06\/WhatsApp-Image-2026-06-24-at-11.03.07-768x1020.jpeg 768w, https:\/\/www.deganwyhistory.co.uk\/wp-content\/uploads\/2026\/06\/WhatsApp-Image-2026-06-24-at-11.03.07-1157x1536.jpeg 1157w, https:\/\/www.deganwyhistory.co.uk\/wp-content\/uploads\/2026\/06\/WhatsApp-Image-2026-06-24-at-11.03.07.jpeg 1536w\" sizes=\"auto, (max-width: 226px) 100vw, 226px\" \/><\/p>\n<p>Cyn 1826, roedd cerbydau a cheffylau&#8217;n cael eu gyrru ar ffer\u00efau bach, annibynadwy i groesi Afon Conwy a Culfor Menai. Roedd y croesfannau&#8217;n beryglus iawn, yn aml yn cael eu hatal mewn tywydd gwael, ac yn cael eu gohirio gan gylchoedd llanw 12 awr. Er mwyn tawelu ASau Gwyddelig rhwystredig a hwyluso pasio cyflym y post, ariannodd llywodraeth Prydain welliannau helaeth i ffyrdd a phontydd a hyrwyddwyd gan y peiriannydd Thomas Telford. Caniataodd cwblhau Pont Grog Conwy (1826) a Phont Grog Menai (hefyd 1826) i goetsys yrru&#8217;n uniongyrchol ar draws, gan leihau teithio&#8217;n sylweddol. Erbyn canol y 1840au, disodlodd dyfodiad Rheilffordd Arfordir Gogledd Cymru y coetsys post, gan gyflymu&#8217;r daith o borthladdoedd M\u00f4r Iwerddon i Lundain yn sylweddol.<\/p>\n<p>Ar \u00f4l sgwrs Diane, rhoddodd Paul ddisgrifiad technegol i ni o&#8217;r pontydd sydd yn eu lle ar hyn o bryd ac eglurodd am bontydd llai eraill a oedd yn bodoli i gario cerddwyr a gwasanaethau cyfleustodau rhwng Conwy a Chyffordd Llandudno. Tynnodd sylw at dystiolaeth ffisegol lle&#8217;r oedd y pontydd hyn wedi&#8217;u lleoli a sut y cawsant eu hadeiladu.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-7523\" src=\"https:\/\/www.deganwyhistory.co.uk\/wp-content\/uploads\/2026\/06\/20260618_144956a-300x135.jpg\" alt=\"\" width=\"300\" height=\"135\" srcset=\"https:\/\/www.deganwyhistory.co.uk\/wp-content\/uploads\/2026\/06\/20260618_144956a-300x135.jpg 300w, https:\/\/www.deganwyhistory.co.uk\/wp-content\/uploads\/2026\/06\/20260618_144956a-1024x462.jpg 1024w, https:\/\/www.deganwyhistory.co.uk\/wp-content\/uploads\/2026\/06\/20260618_144956a-768x346.jpg 768w, https:\/\/www.deganwyhistory.co.uk\/wp-content\/uploads\/2026\/06\/20260618_144956a-1536x692.jpg 1536w, https:\/\/www.deganwyhistory.co.uk\/wp-content\/uploads\/2026\/06\/20260618_144956a-2048x923.jpg 2048w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>Pan adeiladwyd y bont ffordd newydd ym 1958 ochr yn ochr \u00e2&#8217;r bont grog, daeth y pontydd llai hyn yn ddiangen a chawsant eu tynnu. Mewn gwirionedd, gwnaed penderfyniad i ddatgymalu pont grog Telford, ond diolch byth cafodd hynny ei dynnu ar \u00f4l i helynt a ymgyrch leol enfawr atal y cynlluniau hyn yn llwyddiannus, gan achub strwythur 1826 fel y gellid ei drosglwyddo i ofal yr Ymddiriedolaeth Genedlaethol.<\/p>\n<p>Yn ddiweddarach, wynebodd pont Telford brawf goroesi arall. Yn ystod gwaith cynnal a chadw ym 1989, darganfu peirianwyr fod cryfhau hanesyddol dec y ffordd wedi treblu pwysau&#8217;r bont, gan arwain at gyrydiad difrifol. Trwy ddatgymalu a ysgafnhau&#8217;r strwythur yn ofalus i gael gwared ar y straen cerbydau heb golli ffabrig gwreiddiol Telford, llwyddodd arbenigwyr i gadw&#8217;r cadwyni ac adfer y bont i&#8217;w golwg syfrdanol ym 1896.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-7524\" src=\"https:\/\/www.deganwyhistory.co.uk\/wp-content\/uploads\/2026\/06\/20260618_153913a-300x135.jpg\" alt=\"\" width=\"300\" height=\"135\" srcset=\"https:\/\/www.deganwyhistory.co.uk\/wp-content\/uploads\/2026\/06\/20260618_153913a-300x135.jpg 300w, https:\/\/www.deganwyhistory.co.uk\/wp-content\/uploads\/2026\/06\/20260618_153913a-1024x461.jpg 1024w, https:\/\/www.deganwyhistory.co.uk\/wp-content\/uploads\/2026\/06\/20260618_153913a-768x346.jpg 768w, https:\/\/www.deganwyhistory.co.uk\/wp-content\/uploads\/2026\/06\/20260618_153913a-1536x691.jpg 1536w, https:\/\/www.deganwyhistory.co.uk\/wp-content\/uploads\/2026\/06\/20260618_153913a-2048x922.jpg 2048w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>Diolchodd ein cadeirydd Kevin i Diane a Paul am eu sgwrs hynod ddiddorol ar bont grog Telford a diolchodd y gr\u0175p iddynt yn y ffordd draddodiadol o gymeradwyaeth gynnes. Diolch byth, arhosodd y glaw a ragwelwyd tan ddiwedd sgwrs Paul felly fe arhoson ni\u2019n sych!<\/p>\n<h4 style=\"text-align: right;\">Trefor Price<\/h4>\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Ar brynhawn Iau cynnes, 18fed Mehefin, daeth tua 20 aelod o&#8217;r gr\u0175p hanes ynghyd wrth Fwa Coffa Twnnel Conwy ar ochr ddwyreiniol yr aber, i ddechrau ein taith gyntaf yn 2026. Dewiswyd &#8220;dyluniad blociog&#8221; \u200b\u200by Bwa i efelychu adeiladwaith tiwb trochi&#8217;r prif dwnnel, mor wahanol i&#8217;n pwnc ar gyfer sgwrs heddiw. Arweiniwyd ein taith gerdded [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"ngg_post_thumbnail":0,"footnotes":""},"class_list":["post-7520","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Ymweliad \u00e2 Phont Telford, Conwy 200 - Deganwy History<\/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.deganwyhistory.co.uk\/cy\/visit-to-telfords-bridge-conwy-200\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ymweliad \u00e2 Phont Telford, Conwy 200 - Deganwy History\" \/>\n<meta property=\"og:description\" content=\"Ar brynhawn Iau cynnes, 18fed Mehefin, daeth tua 20 aelod o&#8217;r gr\u0175p hanes ynghyd wrth Fwa Coffa Twnnel Conwy ar ochr ddwyreiniol yr aber, i ddechrau ein taith gyntaf yn 2026. Dewiswyd &#8220;dyluniad blociog&#8221; \u200b\u200by Bwa i efelychu adeiladwaith tiwb trochi&#8217;r prif dwnnel, mor wahanol i&#8217;n pwnc ar gyfer sgwrs heddiw. 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