Two 20’ deep crosscuts linked by 100’ level below Welsh Highland Railway.
Publications (2)
- (2004); Ogofa GCPC Journal No 6,; 11 pages
- Bick, D.E. (2003); Old Copper Mines of Snowdonia, The; pp. 62
Ffridd Isaf
Copper Mine
Worked from 1851 to 1860s
Jan 1st, 2024 from CMOS by Buddle-Bot
 | |
| North Wales | |
| Rhyd Ddu | |
| 53.0543122, -4.13234 | |
| SH 5718 5291 | |
| Private Land | |
| 195m | |
| #1,079 | |
Ffridd Isaf - 344m- Cwellyn - 471m
- Clogwyn y Gwin - 566m
- Llyn y Gadair - 1,275m
- Glanrafon - 1,424m
- Bron y Fedw - 1,862m
Clogwynygarreg Mine - 1,873m