River
River Severn
The longest river in Great Britain, rising in the Cambrian Mountains and flowing to the Bristol Channel through one of the largest tidal ranges in the world.
Key facts
- Length
- 354 km
- Catchment area
- approximately 11,400 km²
- Tidal range in estuary
- up to 15 m — the second largest in the world
Relationships
- Located in: United Kingdom
Related intelligence
Sources
- World Wildlife Fund / McGill University — HydroSHEDS / HydroRIVERS / HydroLAKES / HydroBASINS. Open — attribution required · CC BY 4.0
- Global Water System Project — Global Reservoir and Dam Database. Open — attribution required · CC BY 4.0
- Peer-reviewed scientific literature — Open-access hydrology, water chemistry and water use research. Public but restricted · Publisher terms — public access, reuse not clearly granted