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uk_151
What is the UK? › Geography and Nations
What is the longest river in the UK?
- The Thames
- The Clyde
- The Trent
- The Severn
Why this is the correct answer
River Severn, flowing through Wales and England and into the Bristol Channel, is the longest river in the UK at around 354 kilometres. Thames is the longest river entirely within England, but the Severn beats it overall in total length.