Canal locks Β· South Wales
Lock No 66
Lock No 66 β Grade II listed building in Llangynidr. To the west of Cwm Crawnon; the lower of a group of three locks.

Wikimedia Commons contributors β see linked file page for photographer and licence licence
Plan your visit
- Typical visit
- 20 minβ45 min
- Nearest railway station
- Torpantau Β· 9.6 km
- Free entry
- Dog-friendly
About
Lock No 66 is a canal lock in the United Kingdom. Heritage designation: Grade II listed building. Wikidata describes it as: "Grade II listed building in Llangynidr. To the west of Cwm Crawnon; the lower of a group of three locks.". Coordinates: 51.8706Β°, -3.2500Β°.
Photo gallery
Heritage listing
http://cadwpublic-api.azurewebsites.net/reports/listedbuilding/FullReport?lang=en&id=20389
From Cadw under OGL v3.
Place summary
Lock No 66 is a Grade II listed lock located in Llangynidr, South Wales. It is part of the Monmouthshire and Brecon Canal, which was crucial for the transport of goods in the 19th century. The lock is a notable example of the engineering associated with the canal network.
AI-generated from the structured facts on this page (operator, designation, listing, era). Not a substitute for visiting.
- Coordinates
- 51.8706, -3.2500
- District
- Powys
- Parish
- Llangynidr
- Postcode
- NP8 1ND
- Parliamentary constituency
- Brecon, Radnor and Cwm Tawe
- Nearest railway station
- Torpantau β 9.6 km
Sources
- wikidata: Q29497729 (CC0)
- commons: Monmouthshire ^ Brecon Canal, Lock 66 - geograph.org.uk - 4128895.jpg (CC BY-SA 4.0)
Other places nearby

Lock No 67
Canal locks Β· 0.1 km

Tofs Lock Bridge
Historic bridges Β· 0.3 km

Coombes Lock Bridge
Historic bridges Β· 0.3 km

Lock No 65
Canal locks Β· 0.4 km

Llangynidr
Literary houses Β· 0.5 km

Workhouse Bridge
Historic bridges Β· 0.6 km

Lower Lock Bridge
Historic bridges Β· 0.7 km

Dan-y-graig Bridge (Canal Bridge No.137)
Historic bridges Β· 0.9 km

Castle Farm Stone
Castles Β· 1.1 km

Llangynidr Bridge
Historic bridges Β· 1.3 km

Obelisk monument S of St Tetta's church
Memorials & monuments Β· 1.3 km

Church Of St Tetta
Historic churches Β· 1.3 km
Nearby
π· 3Canal locks Β· South Wales
Lock No 67
Lock No 67 β Grade II listed building in Llangynidr. To the west of Cwm Crawnon, the middle one of a group of three locks.
Historic bridges Β· South Wales
Tofs Lock Bridge
Tofs Lock Bridge β Grade II listed building-listed bridge in wales-south, United Kingdom.
Historic bridges Β· South Wales
Coombes Lock Bridge
Coombes Lock Bridge β Grade II listed building-listed bridge in wales-south, United Kingdom.
π· 3Canal locks Β· South Wales
Lock No 65
Lock No 65 β Grade II listed building in Llangynidr. Situated midway between the Embanked Aqueduct over the Afon Crawnon and Bridge No 134.
π· 5Historic bridges Β· South Wales
Workhouse Bridge
Workhouse Bridge β Grade II listed building-listed bridge in wales-south, United Kingdom.
Where to eat & stay near Lock No 66
Places to stay
π· 5Places to eat & drink
π· 5Historic pubs Β· South Wales
White Hart
White Hart β Historic pub β listed building or notable heritage status.
π· 5Restaurants Β· South Wales
Sultan of Wales
Sultan of Wales β a restaurant in wales south.
π· 5Historic pubs Β· South Wales
Skirrid Mountain Inn
Skirrid Mountain Inn β Historic pub β listed building or notable heritage status.
More places in this region
π· 3Canal locks Β· South Wales
Aberdulais Lock on Tennant Canal
Aberdulais Lock on Tennant Canal β On the W bank of the Afon Nedd between the Tennant Canal and the Aberdulais Aqueduct.
π· 3Canal locks Β· South Wales
Allt-yr-yn Lock and Little Lock, with intermediate bridge and basin, Monmouthshire and Brecon Canal
Allt-yr-yn Lock and Little Lock, with intermediate bridge and basin, Monmouthshire and Brecon Canal β Grade II listed building in Newport City. Situated approximately 30 metres SE of Grove Farm. Bridge carries track to Allt-yr-yn. Allt-yr-yn Lock immediately W. Stone lined basin E of bridge wit
π· 3Canal locks Β· South Wales
Bottom Lock and Bridge, Monmouthshire and Brecon Canal
Bottom Lock and Bridge, Monmouthshire and Brecon Canal β Grade II listed building in Newport City. Isolated location. Situated approximately 200 metres NE of Waen Lock. M4 motorway runs immediately NW.
π· 3Canal locks Β· South Wales
Dock Lock, Monmouthshire and Brecon Canal
Dock Lock, Monmouthshire and Brecon Canal β Grade II listed building in Newport City. Isolated location. Situated approximately 0.25 km E of Grove Farm.
Frequently asked questions
- Where is Lock No 66?
- Lock No 66 is in South Wales, United Kingdom (postcode NP8 1ND), in the parish of Llangynidr.
- What is Lock No 66?
- Lock No 66 β Grade II listed building in Llangynidr. To the west of Cwm Crawnon; the lower of a group of three locks.
- How do I get to Lock No 66?
- The nearest railway station is Torpantau, about 9.6 km away. Drivers can use postcode NP8 1ND.
- Is Lock No 66 a listed building?
- Lock No 66 is officially recognised as Grade II listed building listed.
- Is Lock No 66 free to visit?
- Yes, Lock No 66 is free to enter.
- How do I get to Lock No 66?
- Drivers can navigate to postcode NP8 1ND. It sits within the Brecon, Radnor and Cwm Tawe parliamentary constituency.