Deep tunnel draining Westminster and Pant-y-Gwlanod veins.
External Links
Publications (3)
- Bird, R.H., (1977); Yesterday's Golcondas: notable British metal mines; pp.60; Moorland Publishing; 0903485370
- Ebbs, Cris (2009); Lead Mining at Eryrys & Llanarmon; 17 pages
- Smith, Bernard (1921); BGS - Mineral Resources of GB (c1920s) Vol XIX - Lead and Zinc: in Carboniferous of North Wales; 169 pages
Pistyll Gwyn Quarry - 515m
Belgrave (2) - 1,039m- Brynalyn - 1,048m
- Nant Engine Shaft - 1,064m
- Lot Farm Shaft - 1,109m
- Lot Farm Shaft Cave - 1,127m
- Blaen y Nant - 1,196m
- Thomas Evans Shaft - 1,450m
- Llanarmon Lime Quarry - 1,503m
- Bryn yr Orsedd - 1,508m
- Brynyrorsedd High Level - 1,513m
- Brynyrorsedd Low Level - 1,548m
- Castell Engine Shaft - 1,594m
- Tan y Graig Level - 1,648m
Belgrave (1) - 1,664m- Pant y Gwlanod - 1,702m
- Pothole Quarry - 1,730m
