River Severn Fact File
Length: 354 km (220 miles)
Source: Plynlimon (Wales)
Mouth: Severn Estuary (Bristol Channel, England)
Other Facts About The River Severn
- At 354 km the River Severn is the longest river in the British Isles.
- It flows through the region of Powys in Wales, and the counties of Shropshire, Worcestershire and Gloucester in England.
- The Severn has the greatest water flow of any river in England or Wales.
- The River Stour, River Vyrnwy, River Worfe, River Teme, River Wye and River Avon (Warwickshire Avon) are all tributaries of the Severn.
- Several large towns have developed from the original settlements on the banks of the Severn. These include: Newtown, Welshpool, Shrewsbury, Ironbridge, Stourport, Worcester, Tewkesbury and Gloucester.
- The River Severn is bridged in lots of places. Two of the bridges, the Severn Bridge and the Second Severn Crossing, link Wales and England by road.
- Before the 16th Century, the Bristol Channel was known as The Severn Sea.
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