Benham Lock, formerly known as Benham Bridge Lock is a lock on the Kennet and Avon Canal, between Kintbury and Newbury. It is located below Marsh Benham, but in the civil parish of Enborne, in the English county of Berkshire. The lock lies some 60 metres (66 yd) west of Benham bridge. The lock was constructed within the period between October 1794 and June 1797 and has a rise/fall of 6 ft 3 in (1.9 m).