Field system boundary walls running east - west, drystone construction, completely collapsed to 0.25m high and runs 50m . Drystone construction, completely collapsed to 0.25m high and runs for at least 100m and then NNE for at least 150m. The ground cover was bracken at the time of survey. B. Britton and G. Arnold, ArchaeoPhysica Ltd, 05/03/2009

This represents the west end of a far longer wall which follows a circuitous route to the north-east. See also NPRN 91.

Source:
Inventory of the Ancient Monuments in Brecknock. Vol I (i) Later Prehistoric Monuments and Unenclosed Settlements to AD 1000 (RCAHMW 1997), p.264-5 & fig.165.