On a partly scarped natural platform on the E bank of a tributary, close to its confluence with the Tawe, a two-bay rectangular foundation which measures 10m (N-S) by 4.1m overall with a cross-wall 7m from the N end. The stone and boulder walls, turfed over, are 0.8m thick and 0.4m high. There are two opposed entrances in the E and W walls of the larger N compartment.

DKL 5.93

See also NPRN 84903, similar NGR but very different descriptions