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Cof Cymru: National Historic Assets of Wales · Wales

Pont Tafarn-helyg

Maentwrog, Gwynedd, Wales

The record

Designation
Listed building, Grade II
Broad class
Transport
Date of designation
25 February 2005
Locality
Gellilydan
Community
Maentwrog
Unitary authority
Gwynedd
Country
Wales
Coordinates
52.93840, -3.95486
Cadw reference
84015

Slide toward Today to fade the historical sheet and see the modern map underneath.

David Rumsey Map Collection, Stanford Libraries

Shown on 5 historical map sheets, the earliest the 1795 "To Sir Watkin Williams-Wynn Bart ... the map of the six counties of North Wales is most humbly inscribed by his obedient humble servant" (Llyfrgell Genedlaethol Cymru – The National Library of Wales).

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This record in Cadw's own full report ↗

Cadw's description

Spanning the Afon Tafarn-helyg and carrying the road that branches SW off the A487(T) into the village of Gellilydan.

Probably mid C19 road bridge. Merioneth was the last of the Welsh counties to have turnpike roads and it was at a county meeting in Dolgellau in 1775 that it was resolved to convert the principal tracks of the county into turnpikes, in partnership with Caernarfonshire. By the end of the C18 most of the existing roads had been brought under the Trust under the Merioneth Turnpike Act of 1777, and the line of the modern road from Maentwrog to Dolgellau more or less follows the early turnpike and was certainly in place by the time of the Tithe Map of the parish of Trawsfynydd, 1849. The bridge across Afon Tafarn Helyg was probably contemporary with the main development of the village of Gellilydan in the mid C19.

Probably mid C19 roadbridge built of coursed rubble masonry. Comprising a single segmental arch of stone voussoirs and pendant keystone flanked by raking buttresses and with rectangular flood drain to L (E). Dripcourse to a low parapet wall, raised and extended to E at later date; raking stone slab coping.

Listed as a little altered C19 road bridge that retains good original character.

Nearby in the register

Other entries of the same register within about three miles of this one, by straight line.

Designated Historic Asset GIS Data, The Welsh Historic Environment Service (Cadw), 2026-09-07, licensed under the Open Government Licence http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/ Cadw, the Welsh Historic Environment Service · Open Government Licence v3.0
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