River Severn

river in the United Kingdom

The River Severn [3] is the longest river in Great Britain, at about 354 kilometres (220 mi),[4][5] It rises 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.The Severn is the greatest river in terms of water flow in England and Wales.

River Severn
Welsh: Afon Hafren
The Severn at Shrewsbury from Shrewsbury Castle.
Countries United Kingdom, (Wales, England)
Regions Mid Wales, West Midlands, South West
Powys, Shropshire, Worcestershire, Gloucestershire
 - left Vyrnwy, Tern, Stour, Warwickshire Avon, Bristol Avon
 - right Teme, Leadon, Wye
Cities Shrewsbury, Worcester, Gloucester, Bristol
Landmarks Ironbridge Gorge, Severn Valley, Severn Bore, Severn crossing
 - location Plynlimon, Ceredigion, Wales
 - elevation 610 m (2,001 ft)
 - coordinates 52°29′36″N 3°44′04″W / 52.493465°N 3.734578°W / 52.493465; -3.734578
Mouth Severn Estuary
 - location Bristol Channel, United Kingdom
 - elevation m (0 ft)
Length 354 km (220 mi)
Basin 11,420 km² (4,409 sq mi)
Discharge for Bewdley, Worcs. SO 7815 7622
 - average 61.17 /s (2,160 cu ft/s) [1]
 - max 533.48 /s (18,840 cu ft/s)
max recorded on 1947-03-21[2]
Tributaries (light blue) and major settlements on and near the Severn (bold blue)
Tributaries (light blue) and major settlements on and near the Severn (bold blue)

The river is usually considered to become the Severn Estuary after the Second Severn Crossing. The river then discharges into the Bristol Channel which in turn discharges into the Atlantic Ocean. The Severn's drainage basin area is 11,420 square kilometres (4,409 sq mi), excluding the River Wye and the River Avon which flow into the Severn Estuary.


  1. "National River Flow Archive – 54001 Severn @ Montford". Archived from the original on 23 October 2007. Retrieved 24 January 2008.
  2. "HiFlows-UK". Archived from the original on 9 January 2007. Retrieved 24 January 2008.
  3. Welsh: Afon Hafren, Latin: Sabrina
  4. "Frankwell Flood Alleviation Scheme, Shrewsbury" (PDF). UK Environment Agency. Retrieved 13 March 2010.
  5. "The River Severn Facts". BBC. Retrieved 28 December 2006.

Other websitesEdit

  Media related to River Severn at Wikimedia Commons