Carn Brea is a
civil parish and hilltop site in
Cornwall, England, United Kingdom. The population of Carn Brea was 8,013 at the 2011 census. The hilltop site is situated approximately one mile (1.6 km) southwest of
Redruth. The settlements of Bosleake,
Brea,
Broad Lane,
Carn Arthen,
Carn Brea Village,
Carnkie,
Four Lanes,
Grillis,
Illogan Highway,
Pencoys,
Penhallick,
Piece,
Pool,
Tolskithy,
Tregajorran,
Treskillard,
Tuckingmill and
West Tolgus are in the parish.