At Carreg Samson, a capstone, measuring c.3.3m by 3.1m covers a rock-cut pit. The capstone rests on the ground to the east and on a stone set within the pit to the west. A third stone forms the south wall of the chamber.

(source Os495card; SM93NW17)
RCAHMW AP965047/50
J.Wiles 30.09.03