NPRN267357
Cyfeirnod MapSO23SW
Cyfeirnod GridSO2256831243
Awdurdod Unedol (Lleol)Powys
Hen SirBrecknockshire
CymunedThe Vale of Grwyney
Math O SafleCORED
CyfnodModern
DisgrifiadA concrete and metal weir across the Grwyne Fawr river. It was identified by Rev DA Tipper in his 1975 book "Stones and Steam in the Black Mountains" as a weir, built in 1915 to contain the small reservoir above this point, before the main reservoir was built. J.J.Hall, Trysor, 5 February 2008