Sinsinawa River
General data
- Name: Sinsinawa River
- Water system: Mississippi River
- Water type: River
- Progression: Mississippi River -> Gulf of Mexico -> Atlantic Ocean -> Planet Earth
- Climates: Temperate
- Continents: North America
- Countries: United States of America
The Sinsinawa River is a 21-mile-long (34 km) tributary of the Mississippi River.
It rises in Grant County, Wisconsin, with headwaters just outside Cuba City, flowing southwards into Jo Daviess County, Illinois, joining the Mississippi a few miles west of Galena.