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Site Details

NPRN 306505

Map Reference SO41SW

Grid Reference SO40931320

Unitary (Local) Authority Monmouthshire

Old County Monmouthshire

Community Llantilio Crossenny

Type of Site MOTTE

Broad Class DEFENCE

Period Medieval

Site Description Penrhos Castle is a ditched motte, about 30m in diameter and 6.0m high, standing towards the south of an irregular oval enclosure, about 40m by 80m, defined by a ditch, with an internal bank on the north-east and having a counterscarp except to the south-east.
It is possibly the castle mentioned as being demolished c.1252.

(source Os495card; SO41SW1)

The castle earthworks appear to be set within the south-west angle of a roughly subrectangular earthwork enclosure, about 160m east-west by 160m, whose eastern side is obscured by a current road; OS County series, 3rd ed. (Monmouth. XIII.4 1920), shows the the scarp of this enclosure's south-west angle where it springs from the south of the castle earthworks.

RCAHMW AP94-CS 0569-70, 1276
RCAHMW AP945075/69-70; 945149/66

J.Wiles 20.09.02

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