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Cof Cymru: National Historic Assets of Wales · Wales

Pont Rhiwargor

Llanwddyn, Powys, Wales

A Grade II listed building in Nadroedd Valley, Llanwddyn, Powys, designated on 26 February 2003.

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Pont Rhiwargor, Llanwddyn, Powys, 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
26 February 2003
Locality
Nadroedd Valley
Community
Llanwddyn
Unitary authority
Powys
Country
Wales
Coordinates
52.80720, -3.53893
Cadw reference
80935

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 · 136 Bala (Hills) (David Rumsey Map Collection, Stanford Libraries)
  • 1901 · Sheet 9 and 10. (David Rumsey Map Collection, Stanford Libraries)

Get directions ↗

This record in Cadw's own full report ↗

Cadw's description

Over Afon Nadroedd on the road to Bala, 200 m from the Lake Vyrnwy perimeter road.

Probably C18 or early C19.

A vernacular bridge in local slate masonry, consisting of a single segmental arch of low rise, with a span of about 10 m. The voussoirs of the arch are rough stonework about 400 mm in height. Roughly axe-dressed masonry above, including the parapets; square string course at the base of the parapets.

The carriageway is about 4 m wide between the parapets, with a slightly humped profile. The parapets widen out at all four corners, three of them terminating in small piers.

A well preserved mountain-stream vernacular bridge of characteristic low segmental upland form.

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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