Gwash River

General data
- Name: Gwash River
- Water system: North Sea
- Water type: River
- Progression: Welland River -> The Wash bay -> North Sea -> Atlantic Ocean -> Planet Earth
- Climates: Temperate
- Continents: Europe
- Countries: England (UK)
Description
The River Gwash, occasionally Guash, a tributary of the River Welland, flows through the English counties of Leicestershire, Rutland and Lincolnshire. It rises just outside the village of Knossington in Leicestershire, near the western edge of Rutland. It is about 39 kilometres long.