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Cof Cymru: National Historic Assets of Wales · Wales

Canal Bridge No 163 and Cefn Brynich Lock Chamber

Llanfrynach, Powys, Wales

A Grade II listed building in Cefn Brynich, Brecon, Llanfrynach, Powys, designated on 28 July 2005.

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Canal Bridge No 163 and Cefn Brynich Lock Chamber, Llanfrynach, 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
28 July 2005
Locality
Cefn Brynich
Town
Brecon
Community
Llanfrynach
Unitary authority
Powys
Country
Wales
Coordinates
51.93688, -3.34367
Cadw reference
84815

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 1608 map "(13) Cambriae Typus." (David Rumsey Map Collection, Stanford Libraries).

Historical maps covering this location

  • 1608 · (13) Cambriae Typus. (David Rumsey Map Collection, Stanford Libraries)
  • 1636 · Cornubia : Devonia, Somersetus, Dorcestria, Wiltonia, Glocestria ... (David Rumsey Map Collection, Stanford Libraries)
  • 1830 · V.3:11-15:XV. Britisches Reich. A. Kon: England. b. Frstenthum Wales: Shire: 37-40 (David Rumsey Map Collection, Stanford Libraries)
  • 1856 · 42. Brecon. (David Rumsey Map Collection, Stanford Libraries)
  • 1901 · Sheet 14. (David Rumsey Map Collection, Stanford Libraries)

Get directions ↗

This record in Cadw's own full report ↗

Cadw's description

Situated on W side of lane to Llanfrynach, just N of Lock Bridge over the Usk.

Bridge No 163 on the Brecon to Abergavenny Canal authorised 1793, this section built under Thomas Dadford Jr engineer in 1800.

Canal bridge and lock chamber, squared rubble stone. Canal bridge has segmental arch with tooled stone voussoirs, springing from the higher walls of the lock. Rubble stone parapet sloping with the roadway. Iron plaque 163 on E side. Lock has side walls of squared stone and heavy squared stone copings.

Listed for its special historic interest as a canal lock chamber and tail-lock bridge on this important canal.

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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