Coordinates: 50°22′08″N 4°47′06″W / 50.3688°N 4.7849°W
Treverbyn is a civil parish and village in mid-Cornwall, England, United Kingdom.
The church of St Peter is modern as the medieval chapel was closed at the time of the Reformation. The parish was formed from part of St Austell parish in 1847. Treverbyn parish includes the villages of Treverbyn, Stenalees, Penwithick, Bugle (the largest of these), Rescorla, Kerrow Moor, Carthew, Ruddlemoor, Bowling Green, Resugga Green, Scredda and parts of Trethurgy. The parish population at the 2011 census including Carluddon , Greensplatt, Knightor, Lavrean and Lower Menadue was 8,016.
Hensbarrow Beacon near Stenalees is the highest point of the St Austell Downs. There is a railway station at Bugle.
The manor of Treverbyn was recorded in the Domesday Book (1086) when it was one of 28 manors held by Richard from Robert, Count of Mortain. There was one virgate of land and land for 3 ploughs. There were one and a half ploughs, 2 serfs, 2 villeins, 4 smallholders, 2 acres of woodland and 20 acres of pasture. The value of the manor was only 5 shillings though it had formerly been worth 10 shillings. The manor of Tewington was one of the seventeen Antiqua maneria of the Duchy of Cornwall.