Calder and Hebble Navigation, Wakefield Flood Lock
Introduction
The photograph on this page of Calder and Hebble Navigation, Wakefield Flood Lock by Alan Murray-Rust as part of the Geograph project.
The Geograph project started in 2005 with the aim of publishing, organising and preserving representative images for every square kilometre of Great Britain, Ireland and the Isle of Man.
There are currently over 7.5m images from over 14,400 individuals and you can help contribute to the project by visiting https://www.geograph.org.uk

Image: © Alan Murray-Rust Taken: 1 Jul 2018
There are single gates, clearly for flood protection, but the size of the basin makes it difficult to conceive of it being used as a lock as the amount of water involved would be enormous.
