Porthyrhyd stretch of Roman road, linking Pumsaint with Llandovery. Discovered by Hugh Toller. A digital plan exists as part of Roman road mapping for south west Wales completed by RCAHMW in 1996.

T Driver 2/12/2003

This stretch of road is roughly 800m long. It is continued by similar features to the east (NPRN 402112).

Part of the route between Llandovery and Llanfair Clydogau via Pumsaint (NPRN 303528).