Grant River River Levels

Last Updated: December 4, 2025

The Grant River is a 46-mile-long tributary of the Mississippi River located in southwestern Wisconsin.


Summary

Maximum discharge along the river is currently at the reporting a streamflow rate of cfs. This is also the highest stage along the Grant River, with a gauge stage of ft at this location. This river is monitored from 1 different streamgauging stations along the Grant River, the highest being situated at an altitude of ft, the .

       
River Streamflow Levels
Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Grant River At Burton
USGS 05413500
345 cfs 5.97 ft -4.17
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile

The Grant River is a 44-mile-long (71 km) tributary of the upper Mississippi River in southwestern Wisconsin in the United States. It flows for its entire length in Grant County. The city of Potosi is located near its mouth. Tributaries include Boice Creek, Rattlesnake Creek, Pigeon Creek, Blake Fork, Little Grant River, Borah Creek, and Rogers Branch. As part of the Driftless Area of Wisconsin, the river has a substantial valley.
The Army Corps of Engineers maintains the Grant River Recreation Area at the river's mouth. Camping, fishing and boating are the main attractions.
The river was named for an early trapper who lived on the river bank.