Thorne is a hamlet near Whitstone in Cornwall, at SX276995, on a hill overlooking the River Tamar flowing below to the east, across which lies Devon. The B3254 runs north-south to the west of the hamlet.
- Thorn, Caroline, et al. (eds.) (1979) Cornwall (Domesday Book; 10.) Chichester: Phillimore; entry 5,5,8
- Ordnance Survey (1946) One-inch Map of England and Wales; Bude, sheet 174