Hillside working deepened into 3 pits.
Publications (1)
- Richards, Alun John (1991); Gazeteer of the Welsh Slate Industry, A; Gwasg Carreg Gwalch 978-0863811968
Hafod y Wern
Slate Quarry
Worked until 1920s
Jan 1st, 2024 from GWSI by Buddle-Bot
 | |
| North Wales | |
| Betws Garmon | |
| 53.090811, -4.1965671 | |
| SH 5300 5710 | |
| Private Land | |
| 160m | |
| #1,416 | |
Tyddynbach Mine - 389m- Ystrad - 1,040m
Parc Dudley - 1,362m
Garreg Fawr - 1,409m- Alexandra - 1,418m
- Gareg Fawr - 1,476m
- Treflan - 1,579m
Trial Level (Mynydd Mawr) - 1,756m- Brynfferam - 1,798m
- Moeltryfan - 1,917m