Into which channel does the River Severn discharge
River Severn The river is usually considered to become the Severn Estuary after the Second Severn Crossing between Severn Beach, South Gloucestershire and Sudbrook, Monmouthshire. The river then discharges into the Bristol Channel which in turn discharges into the Celtic Sea and the wider Atlantic Ocean. The Severn's drainage basin area is , excluding the River Wye and Bristol Avon which flow into the Severn Estuary. The major tributaries to the Severn are the Vyrnwy, Clywedog, Teme, Avon and Stour. The name Severn is thought to derive from a Celtic original name *"sabrinnā", of uncertain meaning. That name then developed in different
River Severn River Severn The River Severn (, ) is the longest river in Great Britain at a length of , and the second longest in the British Isles after the River Shannon in Ireland. It rises at an altitude of on Plynlimon, close to the Ceredigion/Powys border near Llanidloes, in the Cambrian Mountains of mid Wales. It then flows through Shropshire, Worcestershire and Gloucestershire, with the county towns of Shrewsbury, Worcester and Gloucester on its banks. With an average discharge of at Apperley, Gloucestershire, the Severn is by far the greatest river in terms of water flow in England and Wales.