NPRN520400
Map ReferenceSH65SW
Grid ReferenceSH6000052050
Unitary (Local) AuthorityGwynedd
Old CountyCaernarfonshire
CommunityBetws Garmon
Type Of SiteDAM
PeriodPost Medieval
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Description
Dam marked on the 1891 OS map, of masonry construction with a core of earth and rubble. It is L-shaped, bounding the W and part of the N side of reservoir (NPRN520399), each section approximately 30m long. It varies between 3m and 6m wide; the maximum height above water level is 1.5m. The masonry faces are of large stone slabs 1 - 2m thick; the core is now grass-covered.
Recorded as part of RCAHMW Uplands Initiative Project. W.B. Horton, H&H, 14/9/2011.