Britannia Mine and Copper Mill is located on the southern slopes of Snowdon and it was worked from the eighteenth-century. The mill was built in 1898 and was powered by electricity from a pelton wheel. The site has been consolidated by Snowdonia National Park.
Source: David Gwyn & Merfyn Williams (1996) `A Guide to the Industrial Archaeology of North West Wales?. Association for Industrial Archaeology.