A cairn lies on the NW facing slope of Mynydd-y-glog, about 100m to the E of a structured round cairn already decribed, and may also have had a sepulchral function.
It is a turf-grown stony mound which measures 7m (N-S) by 5m and 0.6m high.

David Leighton, RCAHMW, 20 March 2001