Rock chapel is a small Catholic chapel set on the craggy hillock of Garreg Fawr. It is associated with St Beuno's seminary (NPRN 400800) and is set at the edge of its grounds (NPRN 266231).
The chapel was designed by the son of a successful church architect in 1866 and the first mass was celebrated in the same year. It is a small simple building executed in the Early English style. The east end is apsidal and a small spire rises from the west end. The side walls have butresses alternating with lancet windows.

Source: CADW Listed Buildings Database (1409)

John Wiles 07.01.08