Cadley Lock

Wootton Top Lock (previously known as Cadley Lock) is a lock on the Kennet and Avon Canal at Wootton Rivers, Wiltshire, England, built c. 1810. The lock has a rise/fall of 8 ft 0 in (2.43 m). The lock and bridge are Grade II listed structures.

East of this lock is the summit of the canal, at 450 ft (137 m) above sea level. Downstream in the same parish are the locks of Brimslade, Heathy Close, and Wootton Rivers Bottom.