Publications (3)
- Richards, Alun J. (2004); Slate Quarrying at Corris; pp.127; Gwasg Carreg Gwalch; ISBN 1-84524-068-5
- 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; 0863815825
Bryn Llwyd Uchaf - 758m- Goedwig - 760m
- Bryn Llwyd - 941m
- Tarran Cadlan - 1,200m
- King Arthur's Labyrinth - 1,325m
- Corris Mine Explorers - 1,349m
- Braich Goch - 1,391m
- Era - 1,465m
- Esgairgeiliog Mill - 1,561m
- Abercorris (trial) - 1,745m
- Rhiw'r Gwreiddyn - 1,960m
- Afon Deri - 1,963m
- Gaewern - 1,999m
