Underground, 3 adits to chambers. Tunnel to Cwm Croesor.**
External Links
Publications (2)
- (1997); WMS Newsletter Issue 36 Jun; 8 pages
- Richards, Alun John (1991); Gazeteer of the Welsh Slate Industry, A; Gwasg Carreg Gwalch 978-0863811968
Fronboeth
Slate Mine
Worked from 1886 to 1900s
Jan 1st, 2024 from GWSI by Buddle-Bot
Aug 8th, 2025 by BertyBasset
 | |
| North Wales | |
| Croesor | |
| 52.9833984, -4.0169835 | |
| SH 6469 4480 | |
| Private Land | |
| 400m | |
| #1,507 | |
Cefn y Braich - 88m- Croesor Bach - 1,064m
- Pant Mawr - 1,126m
- Llidiart yr Arian - 1,222m
- Croesor - 1,277m
- Bryngelynnen - 1,288m
- Criblwyd - 1,335m
- Cnicht - 1,452m
Cwm Croesor - 1,505m- Hafod Uchaf - 1,506m
- Garreg Uchaf - 1,521m
- Moelwyn - 1,528m
- Hafod Uchaf - 1,530m
- Parc Slab - 1,545m
- Gelli - 1,706m
Rhaiadr Mine - 1,759m- Rhosydd - 1,970m
- Hafodty - 1,979m