The southernmost in a cluster of three platforms located on ground falling away to the west, and part of a larger group on enclosed land on Mynydd Machen (NPRN 15507). This platform is overgrown with heather and mosses. The terrace measures 10m long east by west by 5m wide and is cut back 0.75m deep and built out 0.6m high.
see also 225682 and 225683.

David Leighton, RCAHMW, February 1999