Wootton Top Lock (previously known as Cadley Lock) is a lock on the Kennet and Avon Canal at Wootton Rivers, Wiltshire, England.
Wootton Top Lock was built between 1718 and 1723 under the supervision of engineer John Hore of Newbury. The lock has a rise/fall of 8 ft 0 in (2.43 m).
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.
- ^ Pearson, Michael (2003). Kennet & Avon Middle Thames:Pearson's Canal Companion. Rugby: Central Waterways Supplies. ISBN 0-907864-97-X.
Coordinates: 51°22′09″N 1°41′49″W / 51.36927°N 1.69685°W