Treftadaeth Ynys Cybi

MARGARET ROBERTS Cangen Maelog, Rhanbarth Môn

Ar arfordir gogledd orllewinol Ynys Môn mae ynys fechan, Ynys Cybi, sydd yn cynnwys tref Caergybi a phentrefi Trearddur, Rhoscolyn a Phont Rhyd y Bont. Mae dau gyswllt i’r ynys, sef y Cob a’r bont ym Mhont Rhyd y Bont a ddefnyddid cyn adeiladu’r Cob o dan oruchwyliaeth Thomas Telford yn 1823. Adeiladwyd rheilffordd ar y Cob yn 1840 gyda wal uchel rhwng y ffordd a’r rheilffordd rhag dychryn y ceffylau gan sŵn y trên. Erbyn heddiw mae’r A55 hefyd ar yr un safle, yn cludo trafnidiaeth rhwng y wlad hon â’r Iwerddon. Mae yna oleudy ar Ynys Lawd a chorn niwl ar Ynys Arw, rhwng y ddau ar Ynys Cybi mae Mynydd Tŵr. Ar ôl Oes yr Ia, tua 7000CC cododd y lefelau dŵr ac fe ddaeth Môn yn…

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Y Wawr (Digital) - 1 Issue, Summer 2022

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