Manganese mine, established some time after 1889, when material was transported by tramway (Nprn34940) via Hafotty Mine (Nprn401809); reopened 1917, when linked by aerial ropeway to Egryn Abbey to the west.
Source: Crew & Musson 1996 'Snowdonia from the Air', 53.
Includes:
Linear extraction features (Nprn89115)
Building (Nprn89273).
