The site of a long-vanished castle that was built before 1130 by Richard de Granville. For a brief period this castle constituted the westernmost stronghold of the lordship of Glamorgan, but was probably dismantled by the monks of Neath Abbey sometime before 1207.

Source; RCAHMW Glamorgan volume III - part 1a, Medieval secular Monuments The Early Castles. 1991

S.L. Evans, RCAHMW, 18 March 2005