Coed Mawr


Slate Quarry
Worked from c1870

Jan 1st, 2024 from GWSI by Buddle-Bot

Nov 23rd, 2025 by BertyBasset



North Wales
Dolwyddelan
53.0440178, -3.9405758
SH 7000 5140
Private Land
170m
#1,316


Pit with engine house.**

Engine house, a forge, and traces of other buildings.



Initial pumping and haulage were powered by a waterwheel, likely supplied via an inverted siphon from a north-west source. By the late 19th century, this was replaced by a steam engine set on the rubbish bank. Output was carted down the valley, possibly to Roman Bridge station.


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; 0863815679





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