Castell Dinas is a

hillfort A hillfort is a type of earthwork used as a fortified refuge or defended settlement, located to exploit a rise in elevation for defensive advantage. They are typically European and of the Bronze Age or Iron Age. Some were used in the post-Roma ...

and castle in southern

Powys Powys (; ) is a county and preserved county in Wales. It is named after the Kingdom of Powys which was a Welsh successor state, petty kingdom and principality that emerged during the Middle Ages following the end of Roman rule in Britain. Geog ...

Wales Wales ( cy, Cymru ) is a country that is part of the United Kingdom. It is bordered by England to the east, the Irish Sea to the north and west, the Celtic Sea to the south west and the Bristol Channel to the south. It had a population in ...

. At 450 m (1,476 feet) (SO179301) it has the highest castle in England and Wales. It is positioned to defend the

Rhiangoll The Rhiangoll is a river in the Brecon Beacons National Park in Powys, Wales. It rises on the western slopes of Waun Fach, highest point of the Black Mountains (Welsh: Y Mynyddoedd Duon) and drops steeply down to the west into the north–south ...

pass between

Talgarth Talgarth is a market town, community and electoral ward in southern Powys, Mid Wales, about north of Crickhowell, north-east of Brecon and south-east of Builth Wells. Notable buildings in the town include the 14th-century parish church and ...

and

Crickhowell Crickhowell (; cy, Crucywel , non-standard spelling ') is a town and community in southeastern Powys, Wales, near Abergavenny, and is in the historic county of Brecknockshire. Location The town lies on the River Usk, on the southern edge ...

Iron Age hillfort and Norman castle

This site was originally an

Iron Age The Iron Age is the final epoch of the three-age division of the prehistory and protohistory of humanity. It was preceded by the Stone Age ( Paleolithic, Mesolithic, Neolithic) and the Bronze Age ( Chalcolithic). The concept has been mostl ...

, 600 BC to 50 AD,

. A fortified

Norman Norman or Normans may refer to: Ethnic and cultural identity * The Normans, a people partly descended from Norse Vikings who settled in the territory of Normandy in France in the 10th and 11th centuries ** People or things connected with the Norm ...

castle with stone walls was built on the site possibly by

William Fitz Osbern William FitzOsbern, 1st Earl of Hereford, Lord of Breteuil ( 1011 – 22 February 1071), was a relative and close counsellor of William the Conqueror and one of the great magnates of early Norman England. FitzOsbern was created Earl of Hereford ...

or his son

Roger de Breteuil Roger de Breteuil, 2nd Earl of Hereford (1056 – after 1087), succeeded in 1071 to the earldom of Hereford and the English estate of his father, William Fitz-Osbern. He is known to history for his role in the Revolt of the Earls. Revolt o ...

Earl of Hereford The title of Earl of Hereford was created six times in the Peerage of England. Dates indicate the years the person held the title for. Earls of Hereford, First Creation (1043) * Swegen Godwinson (1043–1051) ''earldom forfeit 1051–1052'' Earl ...

in the period 1070 to 1075. The castle was eclipsed with the building of

Brecon Brecon (; cy, Aberhonddu; ), archaically known as Brecknock, is a market town in Powys, mid Wales. In 1841, it had a population of 5,701. The population in 2001 was 7,901, increasing to 8,250 at the 2011 census. Historically it was the coun ...

castle before April 1093. The fortress seems to have been constructed in stone from the first with a hall-keep surrounded with curtain walls and square towers. Historically the castle remained a part of

or Brycheiniog barony until 1207 when King

John of England John (24 December 1166 – 19 October 1216) was King of England from 1199 until his death in 1216. He lost the Duchy of Normandy and most of his other French lands to King Philip II of France, resulting in the collapse of the Angevin Emp ...

granted it to Peter FitzHerbert. It then became

caput Latin words and phrases {{Short pages monitor {{DEFAULTSORT:Dinas Castle Castles in Powys Hillforts in Powys Castles in the Brecon Beacons National Park Hillforts in the Brecon Beacons National Park Castle ruins in Wales Talgarth