Sunbury Lock

Sunbury Lock is a river lock on the Thames in Surrey with two separate chambers that control water flow and levels for passing boats. One chamber was hand-operated when built in the 1850s, while a second hydraulic chamber was added later to improve navigation.

A lock first appeared at this location in 1812 to support river traffic on the Thames. The two structures that exist today were built during the 1800s and 1900s as the area's transport needs evolved.

The River Thames section at Sunbury Lock maintains water traffic organization while supporting local sports clubs dedicated to rowing, sailing, and kayaking activities.

Getting to the lock requires walking along the riverside footpath rather than driving directly to it. The route is easy to follow from nearby hotels and riverside locations along the Thames.

The lock system manages a water level difference of 1.87 meters, positioned 27 feet above sea level, making it the third lowest of 44 locks on non-tidal Thames.

Location: Surrey

GPS coordinates: 51.40510,-0.40611

Latest update: December 12, 2025 09:01