A series of five adit up the hillside.
Despite later re-working by several companies, the best ore had already been removed by earlier miners.
Publications (2)
- (1922); BGS - Mineral Resources of GB (c1920s) Vol XX - Lead and Zinc: Cardiganshire & West Montogmeryshire; 242 pages
- Bick, D.E. (1991); Old Metal Mines of Mid-Wales, The; South of Goginan - Part 2; pp. 32
Gelli - 470m- Gothic - 554m
- Aberffrwdd - 1,046m
- Bwa Drain - 1,354m
- South Rheidol - 1,372m
- Pantmawr - 1,421m
- Nantglas - 1,657m
Gwaith Goch - 1,725m- South Bwa Drain - 1,736m
- Cwmbrwyno - 1,798m
- Rheidiol United (Mine Group) - 1,850m
- Nantyrarian - 1,975m
- Rhiw Rugos - 1,981m
