In the cutting of Cwm Garw, alongside the stream lies a settlement of longhuts and other features. To thier immediate south are two ring features, probably pens for small livestock:
1. SN72341675 . A ring of large boulders, 3.6m E-W x 2.6m overall x 0.4m high, with a 2m-long pile of boulders against the N side.
2. SN 7235 1676. A circular wall, 4.5m in overall dia, 1.3m thick & 1.0m high, of large limestone boulders.

David Percival, RCAHMW, 1996