Underground workings accessed by adits.
External Links
Publications (2)
- (1923); BGS - Mineral Resources of GB (c1920s) Vol I - Tungsten & Manganes Ores; 93 pages
- Down, C.G.; NMRS (1980); British Mining 14; Manganeses Mines of North Wales, The
Ffridd Llwyn Gurfal
aka Ffridd Tyddyn-du
Manganese Mine
Worked from 1886 to 1907
Jan 1st, 2024 from Cambrian by Buddle-Bot
| North Wales | |
| Cwm Bychan | |
| 52.87536, -4.02667 | |
| SH 6370 3280 | |
| Open Access | |
| 300m | |
| #927 |
Cwm Bychan - 670m- Cwm Mawr No.2 - 1,392m
- Llyn Eiddew - 1,440m