The Serpentine

The Serpentine (also known as the Serpentine River) recreational lake in Hyde Park, London, England, created in 1730 at the behest of Queen Caroline. Although it is common to refer to the entire body of water as the Serpentine, strictly the name refers only to the eastern half of the lake.

Events of GTA London 1961
In 1961, under the orders of Harold Cartwright, the protagonist embarrasses Gene White, one the bosses of the London gang, the "Greasers", whilst he skinny dips with his girls near the lake. He is later killed by the protagonist.