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 107 m ³ / s at Apperley , Gloucestershire , the Severn is the greatest river in terms of water flow in England and Wales .
It then flows through Shropshire , Worcestershire and Gloucestershire , with the county towns of Shrewsbury , Worcester , and Gloucester on its banks.The Severn is the greatest river in terms of water flow in England and Wales .