NPRN309936
Cyfeirnod MapSN98NW
Cyfeirnod GridSN9210088300
Awdurdod Unedol (Lleol)Powys
Hen SirMontgomeryshire
CymunedTrefeglwys
Math O SafleARGAE
CyfnodModern, 20fed Ganrif
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Disgrifiad
The earth dam at Bwlch-y-gle was built as a subsidiary to Clywedog Dam (nprn 305772) to block a minor valley for the creation of Llyn Clywedog or Clywedog Reservoir (nprn 309930). It stands 12.7m high and is 183m long.
B.A.Malaws, RCAHMW, 27 January 2004.