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CASTELL ODO

Site Details



NPRN 95305

Map Reference SH12NE

Grid Reference SH1870928471

Unitary (Local) Authority Gwynedd

Old County Caernarfonshire

Community Aberdaron

Type of Site HILLFORT

Broad Class DEFENCE

Period Multiperiod, Iron Age

Site Description NAR SH12NE1

A subcircular enclosure, about 50-56m in diameter, set upon the summit of Mynydd Ystum, defined by two concentric ramparted circuits, both largely reduced to scarps.

Extensive excavation, c.1930 & 1958-9, demonstrated a lengthy occupation sequence.

Sources: Breese 1933 (AC 87), 372-85;
Alcock 1958 (Trans. Caern. Hist. Soc. 19), 1-7;
1960 (AC 109), 78-135.

A pillow mound (Nprn 24395) is set within the enclosure.

RCAHMW AP965034/49-50

J.Wiles 05.03.03

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