Gallt y Mawn


Slate Mine
Worked from c1865

Jan 1st, 2024 from GWSI by Buddle-Bot


North Wales
Bethesda
53.19185, -4.0250884
SH 6480 6800
Open Access
420m
#1,223

Small Underground trials, mostly collapsed.

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; 0863815797

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