Hatton Locks are a flight of 21 broad locks, numbered 26 to 46, on the Grand Union Canal between Warwick and Hatton in Warwickshire. They raise the canal 146½ ft (44.7 m) in under 2 miles, and the flight is known as the Stairway to Heaven. The locks take boats up to 12 ft 6 in wide.

The original narrow locks opened in 1799 on the Warwick & Birmingham Canal. They were rebuilt as broad concrete locks between 1932 and 1934 to take wider boats, and the Duke of Kent opened the new flight on 30 October 1934. The angled paddle gear dates from that rebuild. The old narrow chambers survive beside many of the locks as overflow weirs.

The lock cottages at locks 34 and 46 are Grade II listed. The Saltisford Arm is close to the bottom of the flight. The locks are run by the Canal & River Trust.

Waterway: Grand Union Canal
Locks: 21 (nos. 26 to 46)
Rise: 146½ ft (44.7 m)
Built: 1799; rebuilt as broad locks 1932 to 1934
Heritage: Lock cottages Grade II (Historic England 1329922 and 1261976)
Grid reference: SP 2392 6686 (top lock)

Sources: Canal & River Trust; Historic England list entries 1329922 and 1261976.

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