12’ diameter, 130’ deep. Collapsed in 1957.
External Links
Publications (1)
- GOES (1998); Journal No 1; pp. 10-14
Simm Engine Shaft - 199m
Ty Gwyn Shaft - 236m
Tyn y Fron Shaft - 237m
Fireplace Shaft - 247m
Elephants Cave - 282m
Haulfre Cafe Trials - 291m
Kitchen Cave - 329m
Southcliffe Hotel Shaft - 366m
Ty Gwyn Mine/Adit - 370m
Haulfre Trials - 393m
Wyddfyd Trial - 412m
Happy Valley Trial - 419m
Shaft - 499m
Five Entrance Mine - 507m
Tyn y Coed - 508m
Shaft - 559m
Shaft yr Odin - 565m
Toll Gate Trials - 607m
Ty Gwyn Beach Adit - 629m
Great Orme Copper Mines Visitor Centre - 772m
Trial - 804m
Vivian's Shaft - 817m
Great Orme Copper Mines - 821m
Cae Llwyn Helig Shaft - 822m
Pen y Ffridd - 822m
Pyllau Shaft - 827m
Pen y Gwaith Shaft - 836m
Penmorfa Adit - 850m
Higher Shaft - 872m
Owens Shaft - 930m
Roman Shaft - 952m
Treweeks Shaft - 968m
Porth yr Helig Mine - 1,153m
Bishop's Quarry - 1,229m
Trial - 1,278m
Pen y Ffordd Goch Trial - 1,300m
Ffynnon Gogarth Level - 1,463m
Ffynnon Llygaid Trial - 1,716m
Trial - 1,822m
Parc Level - 1,863m
Hwylfa Ceirw Shaft - 1,884m
Monks Path Trial - 1,959m
Tear Fund Trial - 1,992m