A rampart, possibly ditched, delineates the NW ace of a promontory enclosure known as Parc-y-Gaer fort, measuring c.150m NW-SE by 66m, it is elsewhere defined by scarps and steep natural slopes.

(source Os495card; SN21SE2)
RCAHMW AP955116/53-4
J.Wiles 08.03.04