Coordinates: 50°26′21″N 4°52′49″W / 50.4391°N 4.8802°W
Tregonetha is a village in Cornwall, England, UK. It is located in the civil parish of St Wenn, 7 miles (11 km) west of the town of Bodmin.
Tregonetha Downs is situated half a mile south of the village and forms part of the Tregonetha & Belowda Downs SSSI (Site of Special Scientific Interest).