Severn

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Severn Longest river in the UK, flowing 290km (180mi) through Wales and w England. It rises on Mount Plynlimon in w Wales, flows ne to Shrewsbury, turns se and then sw to enter the Bristol Channel through a wide estuary. Major tributaries include the rivers Vyrnwy, Teme, and Stour. The Severn connects by canal to the rivers Thames, Mersey, and Trent. The Severn Road Bridge (1966) is one of the world's longest suspension bridges. A second road bridge opened in 1996.