West of the top lock is the summit of the canal at 450 ft (137 m) above sea level. Lockage water is taken from Wilton Water to the summit at the western end of the locks by electric pumps and, on occasion, by the restored Crofton Pumping Station.
Although named for Crofton in the civil parish of Great Bedwyn the locks are actually situated in the parish of Grafton, as the parish boundary at this point is the West of England Main Line to the north of the canal.
|Next lock upstream||Kennet and Avon Canal||Next lock downstream|
|Wootton Top Lock||Crofton Locks
|Bedwyn Church Lock|
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