The Big River is a minor tributary of the Mississippi River in western Wisconsin in the United States. It flows for its entire 12.8-mile (20.6 km) length in western Pierce County, rising in the town of River Falls and flowing south-southwestwardly into the town of Oak Grove. It enters the Mississippi River about 6 miles (10 km) southeast of Prescott.
References
Big River (Wisconsin) Wikipedia(Text) CC BY-SA