History

Late C18 canal tunnel on the Monmouthshire Canal. Built by Thomas Dadford Junior 1792-9, the canal ran between Newport and Pontnewynydd, with a branch between Crindau and Crumlin. There were 3 tunnels on the main line of the canal, 2 at Newport, and this to the north of Cwmbran.

Exterior

Canal tunnel, brown stone. The south portal has semi-circular arch with keystone, and is in coursed squared stone; walls extend southwards, at right angles from the portal on both sides. The north portal is similar to the south portal (but the keystone is less prominent), with attached wall at right angles. The tunnel is around 70m long, and is lined in stone.

Reasons for Listing

Late C18 structure on canal which was a prime factor in the industrial development of the Gwent Valleys.

External Links

• Cadwr Listing
• Wikidata Q29501058

External links are from the relevant listing authority and, where applicable, Wikidata. Wikidata IDs may be related buildings as well as this specific building. If you want to add or update a link, you will need to do so by editing the Wikidata entry.

Recommended Books

• 
  Setting up a Listed Building Heritage Partnership Agreement: Historic England Advice Note 5
• 
  Period Property Manual (New Ed)
• 
  Kent: North East and East (Pevsner Architectural Guides: Buildings of England)
• 
  Central Leinster: Kildare, Laois and Offaly (Pevsner Architectural Guides: Buildings of Ireland)
• 
  Department for Communities Listed Historic Buildings of Northern Ireland: Information Guide for the 2nd Survey of Historic Buildings
• 
  Hampshire: South (Pevsner Architectural Guides: Buildings of England)