Elan Valley, Powys
The dam at Claerwen is the highest in the Elan Valley system of reservoirs which stretch across the vast uplands west of Rhayader. Opened in 1952, it is 56m high and 355m long.
The dam at Claerwen is the highest in the Elan Valley system of reservoirs which stretch across the vast uplands west of Rhayader. Opened in 1952, it is 56m high and 355m long.