Dinefwr Castle

Dinefwr Castle (sometimes anglicised as Dynevor) is a Welsh castle overlooking the River Tywi near the town of Llandeilo, Carmarthenshire, Wales. It lies on a ridge on the northern bank of the Tywi, with a steep drop of one hundred feet to the river. Dinefwr was the chief seat of the Principality of Deheubarth. The castle is a Grade I listed building.

• http://en.wikipedia.org/wiki/Dinefwr Castle