River Wandle

The River Wandle is a river in south-east England. The names of the river and of Wandsworth are thought to have derived from the Old English "Wendlesworth" meaning "Wendle's Settlement". The river runs through southwest London and is about 9 miles (14 km) long. It passes through the London Boroughs of Croydon, Sutton, Merton, and Wandsworth to join the River Thames on the Tideway at Wandsworth. Rain falls on the North Downs, filters through the chalk and emerges on the spring line at the Wandle's two main sources, both at about 115 ft (38 yd, 35 m) above sea level. These are a pond in Waddon Ponds beside Mill Lane, Croydon; and a secondary source at Carshalton Ponds. Other sources include the Norbury Brook/River Graveney tributary which...