A dry well-chamber, 1.3m high and 1.4m wide externally, set in the outer slope of the north-eastern rampart of Rudbaxton Rath (Nprn305250): well structure shown with vestiges of St Leonard's chapel, c.15m to the west, on OS County series 2nd ed. (Pembroke. XXIII.13 1907); the chapel was mentioned in 1398 and slight ruins remained until the m.19th century, when many bones were disinterred. The well was noted to have been recently restored in 1915.
