1. Oval ringwork surrounded by a bank 10ft above the wet ditch, and associated earthworks, possibly a bailey or burgus
2. NAR ST07SE42
A sub-oval enclosure, c.40m NW-SE by 30m, defined by a bank and ditch. Thought to be an early medieval castle enclosure, abandoned by c.1250 when the land hereabouts was granted to Margam Abbey.
(source: RCAHMW 1991, 83-5)
J.Wiles 28.01.03