where does the river severn run through
It flows through the region of Powys in Wales, and the counties of Shropshire, Worcestershire and Gloucester in England. Name of the River Severn Tributaries. The River Stour, River Vyrnwy, River Worfe, River Teme, River Wye and River Avon (Warwickshire Avon) are all tributaries of the Severn.