Big Sandy Creek (Illinois River tributary)
General data
- Name: Big Sandy Creek (Illinois River tributary)
- Water system: Mississippi River
- Water type: River
- Progression: Illinois River (Mississippi tributary) -> Mississippi River -> Gulf of Mexico -> Atlantic Ocean -> Planet Earth
- Climates: Subtropical, Temperate, Temperate, Continental
- Continents: North America, North America
- Countries: United States of America, United States of America
Big Sandy Creek, often called the Big Branch, is a tributary of the Illinois River in central Illinois. It drains a large portion of southwestern Morgan County and southern Scott County. The drainage of Big Sandy Creek includes Lake Jacksonville and the county seat of Scott County, Winchester, Illinois.
