The Wandle is a river in South London, England, flowing through the boroughs of Wandsworth, Merton, and Sutton. It is approximately 7.5 miles long and is a tributary of the Thames. The river has a rich history, once serving as a vital water source for local industries, including paper and textile manufacturing. Today, the Wandle is known for its natural beauty and biodiversity. It is home to various wildlife species, including fish and birds, and features several parks and green spaces along its banks. The river is also popular for walking, cycling, and fishing, attracting both locals and visitors.