Wilsford cum Lake is a civil parish in the Woodford valley in Wiltshire, England. The parish is bounded to the east by the Salisbury Avon and contains the small settlements of Wilsford, Normanton and Lake. Wilsford is about 2 miles (3.2 km) southwest of Amesbury and 6 miles (10 km) north of Salisbury.

The River Avon is in the south of England, rising in Wiltshire, flowing through that county's city of Salisbury and then west Hampshire, before reaching the English Channel through Christchurch Harbour in the Bournemouth, Christchurch and Poole conurbation of Dorset.