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Cof Cymru: National Historic Assets of Wales · Wales

Pont Nant Mostyn

Llansannan, Conwy, Wales

A Grade II listed building in Bryn Rhydyrarian, Llansannan, Conwy, designated on 21 July 1999.

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Pont Nant Mostyn, Llansannan, Conwy, 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
21 July 1999
Locality
Bryn Rhydyrarian
Community
Llansannan
Unitary authority
Conwy
Country
Wales
Coordinates
53.19571, -3.56488
Cadw reference
22079

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)
  • 1901 · Sheet 9 and 10. (David Rumsey Map Collection, Stanford Libraries)
  • 1963 · Map No. 35 - Local Government Commission for Wales : [Definitive maps showing proposed… (National Library of Scotland)

Get directions ↗

This record in Cadw's own full report ↗

Cadw's description

Roadbridge spanning a tributary of the Afon Aled; the road is a minor country road leading N off the B5382, c200m N of Pont Rhydyrarian, at the S end of Bryn Rhydarian.

Late C18 or early C19 roadbridge, possibly the work of David Lewis, mason.

Roadbridge, built of local rubble masonry; a single wide segmental span over the river, the stonework of the arch slightly recessed from the main wall of the bridge, with dripcourse and projecting springing course stones. The walls of the parapets stand to a height of c1m above the road level, with slab coping to W and roughly embattled coping to E.

Included as a good example of a late C18 roadbridge.

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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