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Cof Cymru: National Historic Assets of Wales · Wales

Pont Gwanas (partly in Dolgellau Community)

Brithdir and Llanfachreth, Gwynedd, Wales

A Grade II listed building in Gwanas, Brithdir and Llanfachreth, Gwynedd, designated on 19 June 1990.

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Pont Gwanas (partly in Dolgellau Community), Brithdir and Llanfachreth, Gwynedd, with a pin at the register's coordinates
Ordnance Survey six-inch map, 2nd edition (1888–1913), covering this location. Courtesy of the National Library of Scotland. The pin is ours, placed from the register's coordinates.

The record

Designation
Listed building, Grade II
Broad class
Transport
Date of designation
19 June 1990
Locality
Gwanas
Community
Brithdir and Llanfachreth
Unitary authority
Gwynedd
Country
Wales
Coordinates
52.73466, -3.82558
Cadw reference
16007

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

David Rumsey Map Collection, Stanford Libraries

5 historical maps cover this location, the earliest the 1795 map "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).

Historical maps covering this location

  • 1795 · To Sir Watkin Williams-Wynn Bart ... the map of the six counties of North Wales is most… (Llyfrgell Genedlaethol Cymru – The National Library of Wales)
  • 1830 · V.3:11-15:XV. Britisches Reich. A. Kon: England. b. Frstenthum Wales: Shire: 37-40 (David Rumsey Map Collection, Stanford Libraries)
  • 1883 · Watershed map England, Wales 3. (David Rumsey Map Collection, Stanford Libraries)
  • 1899 · 149 Barmouth (Hills) (David Rumsey Map Collection, Stanford Libraries)
  • 1901 · Sheet 9 and 10. (David Rumsey Map Collection, Stanford Libraries)

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This record in Cadw's own full report ↗

Cadw's description

Spanning the Afon Clywedog immediately N of the new road bridge on the course of the former road.

Twin-arched road bridge of rubble. C18 or earlier; repairs were recorded in 1830. Segmental arches separated by triangular full-height cutwater on upstream side. Slight camber to parapet following the rise of the road. The rubble parapets plays out to the N on the upstream side where it has recently been extensively repaired. On the S side, the bridge parapet continues for some 4m towards the new road where it adjoins a modern rubble dwarf wall to curve around flanking the new road to the W. On the downstream side, the S bridge parapet terminates at the junction with a section of C19 wall which steps up. Adjoining wall and gatepiers form entrance to Caerynwch.

An early twin-arched road bridge retaining its character.

(Also listed in Dolgellau community resurvey, reference no:44/A/220(2)).

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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