Ceinws/ Esgairgeiliog
Overflow from the dam, Abercorris / Cwmodyn...
LLYN ALED DAM
BWLCH-Y-GLE DAM, LLYN CLYWEDOG, LLANIDLOES
NANT HIR RESERVOIR AND DAM, ABERDARE
NEATH ABBEY IRONWORKS: AFON CLYDACH DAM
GWAEN GYNFI DAM