A formerly blocked long adit emerged near old mill on river bank. At the base of a wooded hillside are a series of inclined open stopes about 80’ deep joining with the Deep Adit. There is also a stone lined shaft. Some stopes are blind, others tricky to descend. The deep adit was reopened in the early c2000.
- c1550 Commenced as part of Beddgelert Estate
- c1750s Deep Adit driven. 20 men underground. Stamps and dressing plant above ground
- 1802 Owned by Thomas Jones, Bryntirion
- 1800s Mill offered for let as woolen mill
- 1830s Sold
- 1838 Brynfelin Company
- 1851 Operating in small way after period of closure
- 1861 Brynfelin Copper Mining Company Ltd. Engine shaft sunk 6 fathoms below adit. Closed due to lack of ore.
- 1864 16 tons of ore raised - possibly from dumps
- 1875 Mine offered on the market with various items of plant.
Publications (2)
- (2004); Ogofa GCPC Journal No 6,; 11 pages
- Bick, D.E. (2003); Old Copper Mines of Snowdonia, The; pp. 63-66