Colerne is a village and civil parish in north Wiltshire, England. The village is about 3.5 miles west of the town of Corsham and 7 miles northeast of the city of Bath. It has an elevated and exposed position, 545 feet above sea level, and overlooks the Box valley to the south. The parish includes the hamlets of Eastrip and Thickwood. It is bounded to the west by a stretch of the Fosse Way Roman road, which forms the county boundary with Gloucestershire, and to the east by the Bybrook River.