Large double pit with tunnel to Glynrhonwy Lower.*
Publications (2)
- (2015); Glyn Rhonwy Pumped Storage Scoping Report; 48 pages
- Richards, Alun John (1991); Gazeteer of the Welsh Slate Industry, A; Gwasg Carreg Gwalch 978-0863811968
Glynrhonwy Upper
aka Glynrhonwy Upper *, Chwarel Fain, Glyn Ganol, or Premier Glynrhonwy
Slate Quarry
Worked from Mid 19C
Jan 1st, 2024 from GWSI by Buddle-Bot
| |
| North Wales | |
| Llanberis | |
| 53.1236139, -4.1503623 | |
| SH 5620 6066 | |
| Private Land | |
| 230m | |
| #1,249 | |
Cook & Ddol - 251m- Glynrhonwy Lower - 285m
- Twll Goch - 434m
- Cambrian - 531m
- Caerbanciau - 568m
- Bwlch y Groes - 615m
- Cefn Ddu - 746m
- Glynrhonwy - Bomb Store - 865m
- Goodmans - 995m
- Chwarel Fawr - 1,195m
- Donnen Las - 1,238m
- Brynmawr - 1,359m
- Boundary - 1,485m
- Pen Llyn - 1,545m
- Ladas - 1,668m
- Vaynol - 1,811m
- Chwarel Isaf - 1,910m