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Site Details

NPRN 93544

Map Reference SH12SW

Grid Reference SH1200722171

Unitary (Local) Authority Gwynedd

Old County Caernarfonshire

Community Aberdaron

Type of Site ABBEY

Broad Class Religious, Ritual and Funerary

Period Medieval

Site Description The ruins of a tower mark the site of St Mary's Abbey. This was an early medieval monastery, reputedly founded in the fifth century, but is first mentioned in 1011 AD. In about 1200 it was reformed or refounded as a priory of Augustianian canons. Up until the dissolution this was an important pilgrimage centre for Wales.
The two stage tower is about 5.8m square internally with 1.1m wide walls, and stands up to 8.0m high. It may have stood at the angle of ranges to the south and west.

Source: RCAHMW Caernarvonshire Inventory III (1964), 17-20

John Wiles 14.02.08

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