Small pit.
Publications (1)
- Richards, Alun John (1991); Gazeteer of the Welsh Slate Industry, A; Gwasg Carreg Gwalch 978-0863811968
Chwarel Ddu
Slate Quarry
Worked until 1860s
Jan 1st, 2024 from GWSI by Buddle-Bot
| North Wales | |
| Dolwyddelan | |
| 53.051282, -3.909041 | |
| SH 7214 5215 | |
| Private Land | |
| 180m | |
| #1,325 |
Pompren - 527m- Ystumiau - 1,160m
- Llan - 1,243m
- Chwarel Sion Jones - 1,432m
- Adwy'r Dwr - 1,820m
Penrhiw - 1,900m