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Cof Cymru: National Historic Assets of Wales · Wales

Western Weir on the River Clywedog

Coedpoeth, Wrexham, Wales

A Grade II listed building in Bersham, Coedpoeth, Wrexham, designated on 8 December 1995.

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Western Weir on the River Clywedog, Coedpoeth, Wrexham, 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
Industrial
Date of designation
8 December 1995
Locality
Bersham
Community
Coedpoeth
Unitary authority
Wrexham
Country
Wales
Coordinates
53.03823, -3.04762
Cadw reference
16558

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)
  • 1898 · 121 Wrexham (Hills) (David Rumsey Map Collection, Stanford Libraries)
  • 1898 · 121 Wrexham (Outline) (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

750m approx W of Bersham village, immediately E of Offa's Dyke

History: The weir was probably constructed c1750 by Isaac Wilkinson, as part of a water power system possibly serving a small mine in the vicinity.

A high vertical weir, built on a slight curve. Roughly coursed and squared rubble, with remains of retaining wall surviving to N.

Listed as a well-preserved example of a mid C18 weir, and as part of the extensive water-power systems developed on the River Clywedog during the C18 in association with industrial development in the surrounding areas.

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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