Carnon River

Heavily polluted river in West Cornwall, draining the historic mining area of Gwennap.

Tin streaming

Process for extracting tin from the mineral cassiterite.

Devoran

Rural village in West Cornwall.

Gwennap

Hamlet and civil parish in West Cornwall.

Cornish churchtowns

Ecclesiastical parishes in Cornwall sometimes have a parish church situated in a churchtown.

Gwennap Pit

Amphitheatre in which John Wesley preached between 1762 and 1789, occupying a depression that was possibly formed by the subsidence of underground mine workings.

Perran Foundry

Cornish foundry established in 1791 to supply steam-engine pumps and heavy machinery to mines, waterworks and ironworks.