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Latitude: 51.8706 / 51°52'14"N
Longitude: -3.252 / 3°15'7"W
OS Eastings: 313900
OS Northings: 219855
OS Grid: SO139198
Mapcode National: GBR YW.S60S
Mapcode Global: VH6CF.L75T
Plus Code: 9C3RVPCX+66
Entry Name: Lock No 67
Listing Date: 28 August 1998
Last Amended: 28 August 1998
Grade: II
Source: Cadw
Source ID: 20388
Building Class: Transport
ID on this website: 300020388
Location: To the west of Cwm Crawnon, the middle one of a group of three locks.
County: Powys
Community: Llangynidr
Community: Llangynidr
Locality: Cwm Crawnon
Built-Up Area: Llangynidr
Traditional County: Brecknockshire
Tagged with: Lock
The Brecknock and Abergavenny Canal was promoted in 1792 to connect the upper Usk valley with the Monmouthshire Canal at Pontymoile and from there to the sea at Newport. The first section, between Gilwern and Talybont and including Llangynidr, was cut between 1797 and 1799, with the upper section between Talybont and Brecon opened in 1800, both sections engineered by Thomas Dadford. The lower section between Gilwern and Pontymoile was completed in 1812 and was engineered by William Crosley. In 1865 the Brecknock and Abergavenny and the Monmouthshire Canals merged to become the Monmouthshire and Brecon Canal, which was later incorporated into the Great Western Railway. The canal was an important artery for trade in iron from the works in the north-east corner of the coalfield and for lime and coal to supply the Usk Valley. The last toll was taken on the canal at Llangynidr in 1933. Restoration of the canal began in 1964.
This is the middle of a group of three locks that completes the flight of five west of Llangynidr, ending a 37km pound and raising the canal 17m towards Brecon. As with the neighbouring locks the chamber has been largely refaced in brick. This lock was undergoing repair at the time of inspection (January 1998) and one gate was missing; the others were replaced in 1994. Being drained the stone faced banks and by-pass overflow to the west were exposed.
Included for its special interest as one of a flight of locks that form part of a group of structures on this stretch of the Brecknock and Abergavenny Canal which was completed in 1799.
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