The D-shaped banked and ditched enclosure at Sealyham quarries measures c.66m by 60m. It has been encroached on by the quarry to the south-east, where it presumably rested on natural scarps above a stream. The remains of a sub-rectangular annex, c.20m by 40m, abut to the south-east.

(source Os495card; SM92NE8)
RCAHMW AP945044/45-6; 965013/52
J.Wiles 11.09.03