A single massive rampart crowns a visually distinctive, flat-topped hill, creating a roughly triangular enclosure, about 300m east-west by 180m, the group falling away steeply on all sides but the east, an entrance at the north of this eastern facade is elaborated by a 'barbican' outwork about 24m across.
Investigation of eroding sections has suggested an Iron Age date for the enclosure.
Sources: Grealey 1971 (Carm. Ant. 7), 98-101;
Williams et al. 1988 (Carm. Ant. 24), 5-13.
J.Wiles 22.11.04
An inner enclosure, measuring approx. 190m by 70m, encircling the summit of the hill was discovered by Bryn Gethin during analysis of aerial photography in 2010.
