Allt Ddu

aka Adelaide, Chwarel Fawr, Chwarel (Gloddfa) Griffith, or Ellis Pit

Slate Quarry
Worked from <1170

Jan 1st, 2024 from GWSI by Buddle-Bot


North Wales
Llanberis
53.097091, -4.1022348
SH 5934 5761
Open Access
395m
#1,269

Hillside working absorbed into Dinorwic.*

Publications (1)

  • Richards, Alun John (1991); Gazeteer of the Welsh Slate Industry, A; Gwasg Carreg Gwalch 978-0863811968

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