Shale/slate?
Publications (1)
- Richards, Alun John (1991); Gazeteer of the Welsh Slate Industry, A; Gwasg Carreg Gwalch 978-0863811968
Gwern Bwys
Slate Quarry
Jan 1st, 2024 from GWSI by Buddle-Bot
| North Wales | |
| Llanrwst | |
| 53.1807609, -3.7542128 | |
| SH 8287 6629 | |
| Private Land | |
| 290m | |
| #1,398 |
Pennant Ucha - 402m- Cae Madog - 964m
- Ffridd Uchaf - 1,210m
- Pennant - 1,540m