Publications (2)
- Richards, Alun John (1991); Gazeteer of the Welsh Slate Industry, A; Gwasg Carreg Gwalch 978-0863811968
- Richards, Alun John, (1999); The Slate Regions of North and Mid Wales and their Railways; Gwasg Carreg Gwalch; 0863815647
Vaynol - 252m- Fronhyfryd - 283m
- Ladas - 407m
- Chwarel Goch - 460m
- Boundary - 509m
- Lloc - 519m
- Frondirion - 666m
- Alltwen - 716m
- Glynrhonwy - Bomb Store - 1,045m
- Vivian - 1,086m
- Goodmans - 1,101m
- Allt Ddu - 1,189m
- National Slate Museum - 1,239m
- Glynrhonwy Lower - 1,625m
- Cambrian - 1,747m
- Dinorwig - 1,871m
- Pen Llyn - 1,879m
- Glynrhonwy Upper - 1,910m
- Glan Dinorwig (works) - 1,967m
