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Cof Cymru: National Historic Assets of Wales · Wales

Pont Cwellyn No 1 and Pont Cwellyn No 2 (also known together as Pont Glan-yr-afon)

Betws Garmon, Gwynedd, Wales

A Grade II listed building in Pont Cwellyn, Caernarfon, Betws Garmon, Gwynedd, designated on 29 January 1999.

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Pont Cwellyn No 1 and Pont Cwellyn No 2 (also known together as Pont Glan-yr-afon), Betws Garmon, 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
29 January 1999
Locality
Pont Cwellyn
Town
Caernarfon
Community
Betws Garmon
Unitary authority
Gwynedd
Country
Wales
Coordinates
53.06434, -4.13807
Cadw reference
21279

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)
  • 1883 · Watershed map England, Wales 3. (David Rumsey Map Collection, Stanford Libraries)
  • 1896 · Sheet 7. Ordnance Survey of England and Wales. (David Rumsey Map Collection, Stanford Libraries)
  • 1899 · 119 Snowdon (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

Located on the A 4085 approximately 1km north of Rhyd-Ddu at the confluence of the Afon Gwyrfai and its tributary the Afon Treweunydd.

Built as part of the creation of the turnpike road in the 1820s.

Bridge. Roughly coursed rubblestone with stone-on-edge coping. 3 arches, southern (over the Afon Gwyrfai) round-arched, the centre (flood relief arch) and the northern (over the Afon Treweunydd) segmental, all with voussoirs and arch-rings. There is a walled refuge on the west side of the bridge opposite the driveway to Glanrafon.

Included for its special interest as a turnpike road bridge spanning 2 small rivers.

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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