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
