Bothwell Bridge Lido is located on the south west side of Bothwell Bridge in Hamilton, South Lanarkshire.
The lido is quite unique, with the water being the River Clyde. It also has quite grand Victorian style gardens named "Lido Gardens". This is easiest to see from the Clyde Walkway and NCR 74.
Links
History of lidos in the United Kingdom
An old video
Great article from The Blantyte Project
References
Bothwell Bridge Lido Wikipedia(Text) CC BY-SA