DisgrifiadNAR SS97NE12
A sub-rectangular enclosure, 175m E-W by 125m, defined by a bank and ditch, followed by current field boundaries; within are ruins of a dovecote (Nprn37519), a possibly medieval barn (Nprn37518) and two small fishponds within the W side.
St Mary Hill, or Gelligarn grange, recorded as belonging to Neath Abbey in 1208, dispossed 1536.
The enclosure appears to lie at the SE of a larger circuit, describing a figure, c.370m E-W by 350m.
To the E are possibly medieval remains, associated with St Mary's church (Nprn307549).
Source: RCAHMW 1982 Glamorgan III.2, 260-262)
J.Wiles 20.12.02