Great Orme Copper Mines

Location
Various shafts and adits on Great Orme's Head.

See description for grid references of some of the entrances.

Access
All shafts and adits are locked. Contact Great Orme Exploration Society for access information.

Description
The Great Orme is a large limestone headland containing a large number of copper mines, with workings dating back from the Victorian to the Bronze Age. The Bronze Age workings have been developed as a tourist attraction. During the 19century the three main mines were the New Mine, Old Mine and Ty Gwyn Mine.

Some of the entrances are:


 * Penmorfa Adit SH 7709 8223. Altitude: 10m. Adit on west shore leading to Vivian's Shaft and Treweek's Shaft.
 * Ty Gwyn Adit SH 7817 8273. Altitude: 10m. The adit is accessed through a manhole near the pier. Leads to Tyn y Fron shaft.
 * Treweek's Shaft SH 7701 8327. Altitude: 165m. 80m deep.
 * Pyllau Shaft SH 7704 8302. Altitude: 140m. 70m deep. Main shaft for New Mine.
 * Vivian's Shaft SH 7707 8309. Altitude: 140m. 70m deep. Situtated within the Bronze Age Copper Mines tourist attraction.
 * Romans' Shaft SH 7707 8332. Altitude: 165m.
 * Tyn y Fron Shaft SH 7775 8292. Altitude: 75m. 90m deep to sea level. Part of the Ty Gwyn mine.
 * Porth yr Helig SH 7747 8380. Altitude: 35m.
 * Haulfre Gardens Shaft SH 7745 8252. Altitude: 100m. Trial.
 * Parc Wall Trial SH 7600 8320. Altitude: 90m. Trial near top of Orme.
 * Bronze Age Copper Mines SH 7707 8309. Altitude: 140m.