Castell Dinas

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Castell Dinas

Castell Dinas is an Iron Age hill fort of the Contour Fort type and a Norman castle on the Rhiangoll Pass between Talgarth and Crickhowell in southern Powys in Wales . At 450 m high, it is the highest castle in England and Wales. It is not to be confused with Dinas Bran Castle .

The original Iron Age hill fort (around 600 BC to 50 AD) may have been walled by William FitzOsbern or his son Roger de Breteuil between 1070 and 1075. The complex was provided with a castle before 1093. This included a hall and front walls with square towers. Historically, the castle remained part of the Brecon or Brycheiniog barony until 1207, which King Johann Ohneland of England transferred to Peter Fitz Herbert. The castle was destroyed by Prince Llywelyn from Iorwerth (1173-1240) in 1233 and by King Henry III. rebuilt before it came back into the possession of Peter Fitz Herbert. The castle was occupied by Llywelyn's grandson, Prince Llywelyn ap Gruffudd , from 1263 to 1268 , and ultimately destroyed by the supporters of Owain Glyndŵr in his 1412 rebellion.

What remained are the crumbling walls, which are mostly covered with earth, and the outlines of trenches and ramparts of the originally Iron Age fortifications.


  • J. Dyer: Hillforts of England and Wales . 1999, ISBN 0747801800 .
  • James Forde-Johnston: Hillforts of the Iron Age in England and Wales. A Survey of the Surface Evidence. Liverpool University Press, Liverpool 1976, ISBN 0-85323-381-0 .

Coordinates: 51 ° 57 ′ 47.9 "  N , 3 ° 11 ′ 47.8"  W.