Small pit.*
Publications (1)
- Richards, Alun John (1991); Gazeteer of the Welsh Slate Industry, A; Gwasg Carreg Gwalch 978-0863811968
Chwarel Sion Jones
Slate Quarry
Jan 1st, 2024 from GWSI by Buddle-Bot
| North Wales | |
| Dolwyddelan | |
| 53.055637, -3.8888717 | |
| SH 7350 5260 | |
| Private Land | |
| 175m | |
| #1,335 |
Llan - 307m- Adwy'r Dwr - 424m
- Ystumiau - 446m
- Ty'n y Bryn - 858m
- Prince Llewelyn - 878m
- Penllyn - 989m
- Pompren - 1,138m
- Buarthau - 1,311m
- Chwarel Fedwr - 1,342m
- Ffridd Bryn Moel - 1,409m
- Chwarel Ddu - 1,432m
- Rhiwgoch - 1,779m
Penrhiw - 1,924m