Historic bridges · South Wales
Allt-yr-yn Lock and Little Lock, with intermediate bridge and basin, Monmouthshire and Brecon Canal
In or near Newport.
Allt-yr-yn Lock and Little Lock, with intermediate bridge and basin, Monmouthshire and Brecon Canal — Grade II listed building-listed bridge in wales-south, United Kingdom.

David Roberts — CC BY-SA 2.0 via Wikimedia Commons licence
Plan your visit
- Typical visit
- 15 min–30 min
- Nearest railway station
- Newport · 1.3 km
- Free entry
- Dog-friendly
About
Allt-yr-yn Lock and Little Lock, with intermediate bridge and basin, Monmouthshire and Brecon Canal is a Grade II listed building-listed bridge in wales-south, United Kingdom, registered on the Cadw register of listed buildings (Wales) (entry 22328). Listed status protects buildings and structures of special architectural or historic interest. See the linked Wikipedia article for further details.
Photo gallery
Heritage listing
http://cadwpublic-api.azurewebsites.net/reports/listedbuilding/FullReport?lang=en&id=22328
From Cadw under OGL v3.
Protected designations
- Site of Special Scientific Interest: Severn Estuary SSSI
Designations sourced from Natural England open data under OGL v3.
Place summary
Allt-yr-yn Lock and Little Lock, along with an intermediate bridge and basin, is located in Allt-yr-yn, South Wales. This Grade II listed building is part of the Monmouthshire and Brecon Canal, reflecting the region's historical significance in canal engineering.
AI-generated from the structured facts on this page (operator, designation, listing, era). Not a substitute for visiting.
- Coordinates
- 51.5947, -3.0170
- District
- Newport
- Parish
- Allt-yr-yn
- Postcode
- NP20 5DX
- Parliamentary constituency
- Newport West and Islwyn
- Nearest railway station
- Newport — 1.3 km
Sources
- wikidata: Q29499560 (CC0)
Other places nearby

Allt-yr-yn Lock and Little Lock, with intermediate bridge and basin, Monmouthshire and Brecon Canal
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Gwastad Bridge over the Monmouthshire and Brecon Canal and Lock
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Lady Rhondda
Memorials & monuments · 1.2 km

Llanthewy Road Baptist Church and attached Sunday School wing
Historic churches · 1.3 km
Nearby
📷 3Canal locks · 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 — 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
📷 3Canal locks · South Wales
Dock Lock, Monmouthshire and Brecon Canal
Dock Lock, Monmouthshire and Brecon Canal — Grade II listed building in Newport City. Isolated location. Situated approximately 0.25 km E of Grove Farm.
📷 3Canal locks · South Wales
Waen Lock, Monmouthshire and Brecon Canal
Waen Lock, Monmouthshire and Brecon Canal — Grade II listed building in Newport City. Isolated location. Situated approximately 150 metres NE of Dock Lock.
📷 3Canal locks · South Wales
Bottom Lock and Bridge, Monmouthshire and Brecon Canal
Bottom Lock and Bridge, Monmouthshire and Brecon Canal — Grade II listed building in Newport City. Isolated location. Situated approximately 200 metres NE of Waen Lock. M4 motorway runs immediately NW.
📷 5Where to eat & stay near Allt-yr-yn Lock and Little Lock, with intermediate bridge and basin, Monmouthshire and Brecon Canal
Places to stay
📷 5
📷 5Caravan parks · South Wales
Tredegar House
Tredegar House — a caravan park in wales south.
Hotels · South Wales
The Priory Hotel
The Priory Hotel — a hotel in wales south.
B&Bs · South Wales
The Ship Inn
The Ship Inn — a bed-and-breakfast in wales south.
Places to eat & drink
Historic pubs · South Wales
Ye Olde Murenger House
Ye Olde Murenger House in Wales South, United Kingdom.
Cafés · South Wales
Fourteen Locks Canal Centre
Fourteen Locks Canal Centre — a café in wales south.
📷 7Restaurants · South Wales
The Priory Hotel & Restaurant
The Priory Hotel & Restaurant — a restaurant in wales south. Cuisine: international. 3-star.
Restaurants · South Wales
The Man of Steel
The Man of Steel — a restaurant in wales south.
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Frequently asked questions
- Where is 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 is in South Wales, United Kingdom (postcode NP20 5DX), in the parish of Allt-yr-yn.
- What is 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 — Grade II listed building-listed bridge in wales-south, United Kingdom.
- How do I get to Allt-yr-yn Lock and Little Lock, with intermediate bridge and basin, Monmouthshire and Brecon Canal?
- The nearest railway station is Newport, about 1.3 km away. Drivers can use postcode NP20 5DX.
- Is Allt-yr-yn Lock and Little Lock, with intermediate bridge and basin, Monmouthshire and Brecon Canal a listed building?
- Allt-yr-yn Lock and Little Lock, with intermediate bridge and basin, Monmouthshire and Brecon Canal is officially recognised as Grade II listed building listed.
- Is Allt-yr-yn Lock and Little Lock, with intermediate bridge and basin, Monmouthshire and Brecon Canal a protected site?
- Yes — Allt-yr-yn Lock and Little Lock, with intermediate bridge and basin, Monmouthshire and Brecon Canal is part of the Severn Estuary SSSI Site of Special Scientific Interest.
- Is Allt-yr-yn Lock and Little Lock, with intermediate bridge and basin, Monmouthshire and Brecon Canal free to visit?
- Yes, Allt-yr-yn Lock and Little Lock, with intermediate bridge and basin, Monmouthshire and Brecon Canal is free to enter.
- How do I get to Allt-yr-yn Lock and Little Lock, with intermediate bridge and basin, Monmouthshire and Brecon Canal?
- The nearest railway station is Newport, about 1.3 km away. Drivers can navigate to postcode NP20 5DX.