Working with collapsed tunnels.*
Publications (1)
- Richards, Alun John (1991); Gazeteer of the Welsh Slate Industry, A; Gwasg Carreg Gwalch 978-0863811968


Jan 1st, 2024 from GWSI by Buddle-Bot![]()
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| North Wales | |
| Llanberis | |
| 53.120535, -4.1442808 | |
| SH 5660 6030 | |
| Open Access | |
| 180m | |
| #1,254 | |
Working with collapsed tunnels.*


Caerbanciau - 326m
Bwlch y Groes - 458m
Twll Goch - 468m
Glynrhonwy Lower - 494m
Glynrhonwy Upper - 531m
Goodmans - 669m
Cook & Ddol - 684m
Glynrhonwy - Bomb Store - 806m
Cefn Ddu - 1,101m
Donnen Las - 1,348m
Brynmawr - 1,354m
Ladas - 1,422m
Chwarel Fawr - 1,427m
Boundary - 1,434m
Alltwen - 1,676m
Vaynol - 1,719m
Chwarel Isaf - 1,748m
Fronhyfryd - 1,917m
Pen Llyn - 1,926m
National Slate Museum - 1,944m