NPRN408180
Map ReferenceSH66SW
Grid ReferenceSH6003064790
Unitary (Local) AuthorityGwynedd
Old CountyCaernarfonshire
CommunityLlandygai
Type Of SiteDAM
PeriodPost Medieval
DescriptionBreached dam, c.600m long, surviving on open moorland on Gwaen Gynfi, south-west of Mynydd Llandegai. Recorded during RCAHMW aerial reconnaissance (image ref: AP_2005_2933). Possibly related to Penrhyn Slate Quarry (NPRN 40564).
T. Driver, RCAHMW, 5th September 2008.
