Trial?
Publications (1)
- Richards, Alun John (1991); Gazeteer of the Welsh Slate Industry, A; Gwasg Carreg Gwalch 978-0863811968
Cefn yr Orsedd
Slate Quarry
Jan 1st, 2024 from GWSI by Buddle-Bot
| North Wales | |
| Nant Ffrancon | |
| 53.162823, -4.0401764 | |
| SH 6370 6480 | |
| Open Access | |
| 365m | |
| #1,215 |
Ceunant - 436m
Dolawen - 678m
Sion y Sian Mine - 833m
Braichmelyn - 948m- Cwm Ceunant - 1,457m
- Cwm Ceunant - 1,484m
- Gwaith - 1,568m
- Penrhyn - 1,706m
Tan y Garth - 1,900m