Small working.
Publications (1)
- Richards, Alun John (1991); Gazeteer of the Welsh Slate Industry, A; Gwasg Carreg Gwalch 978-0863811968
Pant yr Onnen
Slate Quarry
Jan 1st, 2024 from GWSI by Buddle-Bot
| North Wales | |
| Dolgellau | |
| 52.719548, -3.878755 | |
| SH 7320 1520 | |
| Open Access | |
| 450m | |
| #1,618 |
Idris - 606m- Bryn Mawr - 990m
- Gau Graig - 1,300m
- Bryn Rhug - 1,439m
- Tan y Gader - 1,660m