A mutilated mound, 31m by 16m and 1.1-1.7m high, conceals the remains of a complex chambered tomb at Ty-Isaf. It has a north facing horned false portal and several individual chambers and passages.

(source Os495card; SO12NE3)
J.Wiles 15.08.02

Standard source: Briggs, C.S., 1997, An Inventory of the Ancient Monuments in Brecknock (Brycheiniog), The Prehistoric and Roman Monuments, Part i: Later Prehistoric Monuments and Unenclosed Settlements to 1000 A.D. RCAHMW. pp 36-38.

T. Driver, 19 June 2007.