Schleuse Datteln, Canal lock in Datteln, Germany.

Schleuse Datteln is a lock on the Wesel-Datteln Canal that connects two waterways at different levels. The structure allows boats to move between these levels and continue their journey along the canal.

The large Schleuse Datteln was built in 1928 and opened with the Wesel-Datteln Canal in 1931, at canal kilometre 59.28 in Datteln-Natrop. A second, smaller lock chamber, 112 m long, was added in 1964. Its gates were renewed in November 1993, and in 2023 the large lock's recessed bollards were replaced.

The lock group is part of the Route der Industriekultur, the Ruhr's industrial heritage trail. The small lock's suspended sliding gate is a safeguard against mining subsidence, since its mechanism keeps working when the ground tilts. Around 90 ships pass through the two chambers daily.

The lock is accessible to boats year-round, with regular maintenance keeping it in working order. Visitors can best observe the structure from the shore, especially when vessels are passing through.

The lock serves as one of six major water control structures along the 60-kilometer Wesel-Datteln Canal, managing water flow between the Rhine and Dortmund-Ems waterways.