Castell Bryn Gwyn

Castell Bryn Gwyn is a prehistoric site on the Isle of Anglesey, west of Brynsiencyn. It is a circular clay and gravel bank covered with grass, still some 1.5 metres (5') high and revetted externally by stone walls, which surround a level area some 54 metres (177') in diameter. Its name means "White Hill Castle".

Castell Bryn Gwyn
Castell Bryn Gwyn, view south from the bank
LocationAnglesey, Wales
RegionGreat Britain
Coordinates53.1784°N 4.2978°W / 53.1784; -4.2978
Typeenclosure
Width64m
Height1.5m
History
Materialclay, gravel, dry stone
Foundedend Neolithic
PeriodsNeolithic, Iron Age, Roman
Site notes
ManagementCadw
Public accessYes

Prehistoric origins

The original use of this site is uncertain although it may have been a religious sanctuary. Later Neolithic pottery indicates use in this period, and it may have been a henge monument at this time. The earliest bank and ditch belong to the end of the neolithic period (2500-2000 BC).[1][2][3]

Roman invasion

During the Iron Age, the present wall was built, and it was rebuilt in Roman times and later.[4]

Access

Parking is exiguous; the site is accessible from the A4080 by a footpath. Another path follows the low ridge, southwest over stiles to the Bryn Gwyn stones, or northeast, past the site of the former stone circle of Tre'r Dryw Bach, some ½ mile (800 metres) to Caer Lêb where it meets a minor road with limited parking space.

See also

References
  1. Cadw sign at the site
  2. "Castell Bryn Gwyn, Neolithic Henge and Later Ringwork (93836)". Coflein. RCAHMW.
  3. "Castell Bryn Gwyn". cadw.gov.wales.
  4. Cyfeillion Ymddiriedolaeth Archaeolegol Gwynedd, Haf 2009. Friends of the Gwynedd Archaeological Trust, Summer 2009. Prehistoric Funerary and Ritual Survey, pp 32-33
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53.178349°N 4.297933°W / 53.178349; -4.297933

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