One of a line of stones erected to support a wire fence on a bank NPRN 539242), shown on the 1880 OS map, and located on the E side of the Afon Ceiriog above the waterfalls. This example is a rough, slightly inclined slab, 0.9m high and 0.5m wide, with 3 drill holes for wire.
Recorded as part of RCAHMW Uplands Initiative Project, W B Horton, H & H, 06/10/2014.