NPRN40540
Map ReferenceSH45SE
Grid ReferenceSH4982053040
Unitary (Local) AuthorityGwynedd
Old CountyCaernarfonshire
CommunityLlanllyfni
Type Of SiteQUARRY BUILDING
PeriodPost Medieval
Description1. (Buildings South East of Winding Houses. Winding Houses marked O on location map).
2. Part of Dorothea Slate Quarry complex (Nprn40539), buildings variously depicted on OS County series (Caernarvon. XXI.9 1889, 1900, 1916), having originally stood at the head of an incline, disused by 1900.
RCAHMW AP945127/52-5; 945128/56-61
J.Wiles 17.06.04