Outdoor Swimming London

This brilliant new guide for Londoners reveals hidden rivers, wooded lakes and Art Deco lidos, all within an about an hour of the capital on public transport, perfect for those who love to swim under the open sky. 150 locations cover the best of the Thames, Lea and Medway valleys and the area's numerous swimming lakes. The guide also showcases the best lidos and hotel pools, plus locations with organised swims.

• discover secret islands on the Thames with river beaches, bucolic meanders and a bridge to jump from at Desborough Island > find the most beautiful of London's bohemian Art Deco lidos, including its best-kept secret in the heart of Soho
• swim in a turquoise blue lagoon, like something from the Caribbean, at St Andrew's lake > spend the day sipping cocktails and eating sushi by the pool at a four-star Tudor hotel - Great Fosters