The River Severn is the longest river in the United Kingdom, stretching over 220 miles from its source in the Cambrian Mountains of Wales to the Severn Estuary, where its waters join the Bristol Channel and ultimately the Atlantic Ocean. This majestic river flows through 11 towns and cities across England and Wales, shaping a diverse landscape marked by rugged hills, fertile plains, and historic settlements.
Originating around 610 metres (2,001 feet) above sea level on the slopes of Plynlimon, the Severn gathers strength from tributaries such as the Afon Hengwm and Afon Pysgotwl. Its early course cuts through the steep valleys and dense woodlands of mid-Wales before entering Shropshire. The river then meanders through towns like Shrewsbury and Ironbridge—the latter famous for the Iron Bridge, the world’s first cast-iron bridge and a symbol of the Industrial Revolution.
Further downstream, the Severn broadens as it passes through Worcester and Gloucester, cities famed for their rich history and stunning architecture. At Gloucester, the river becomes tidal, featuring the celebrated Severn Bore—a powerful tidal wave that sweeps upstream and attracts surfers and spectators worldwide.
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The Severn Estuary is known for having one of the highest tidal ranges globally, reaching up to 14.5 metres. This dynamic environment supports a rich ecosystem of wetlands, salt marshes, and migratory birds, making it a vital habitat for wildlife.
Visitors to the River Severn can enjoy numerous experiences, from walking the scenic Severn Way trail along its banks to exploring nature reserves like Slimbridge Wetlands. Water sports, river cruises, and heritage railway journeys offer additional ways to engage with this historic river.
Throughout history, the River Severn has been a crucial trade route and boundary, inspiring legends and nurturing the cultures of England and Wales. Known as Sabrina in Latin and Afon Hafren in Welsh, it remains an important feature of the landscape—offering tranquil retreats and exciting adventures to those who follow its course.
Key places along the river include Llanidloes, Newtown, Welshpool, Shrewsbury, Ironbridge, Bridgnorth, Bewdley, Stourport-on-Severn, Worcester, Tewkesbury, and Gloucester—each contributing to the river’s rich tapestry of natural beauty and historical significance.