Cwmorthin


Slate Mine

Worked from 1810 to 1950s

Jan 1st, 2024 from Cambrian by Buddle-Bot


Cwmorthin
North Wales
Tanygrisiau
52.997946, -3.968867
SH 6796 4633
Open Access
330m
#1,018

Large underground quarry linked with Oakeley. Used by Go Below for adventure trips.*

Go Below

Publications (13)

  • (1982); CATMHS - Newsletter 001; 27 pages
  • (1993); CATMHS - Newsletter 035-July; 33 pages
  • (1994); CATMHS - Newsletter 040-October; 31 pages
  • (1995); CATMHS - Newsletter 041-January; 33 pages
  • (2000); CATMHS - Newsletter 059-January; 43 pages
  • (2000); CATMHS - Newsletter 060-June; 20 pages
  • (2003); CATMHS - Newsletter 071-May; 29 pages
  • (2005); CATMHS - Newsletter 079-May; 37 pages
  • (2005); CATMHS - Newsletter 081-November; 29 pages
  • (2018); CATMHS - Newsletter 131-May; 59 pages
  • Isherwood, Graham (1995); Cwmorthin Slate Quarry
  • Isherwood, Graham; Graham Isherwood Slate Collection - Oakley Cwmorthin Floor Heights; 1 pages
  • Richards, Alun John (1991); Gazeteer of the Welsh Slate Industry, A; Gwasg Carreg Gwalch 978-0863811968
CwmorthinLlyn CwmorthinCraig y Wrysgan from CwmorthinCwmrothin 'Smoke Flue' aditCwmorthin buildings

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