River WI MI MN

East Branch Rock River

Wisconsin • 43.5178, -88.5084

Length

45 mi

72 km

Elevation

1,033′ → 858′

176 ft drop

Stream Order

Medium River

Slope

0.07%

3.9 ft/mi

Drainage

190 mi²

493 km²

Avg Flow

134 cfs

1.1 mph velocity

Path to Mouth

1,809 mi

2,911 km to ocean

Classification

Headwater

Source Stream

Elevation Profile

Data from USGS & NOAA for informational purposes only. More

Monitor

Access Sites on East Branch Rock River

There are 4 boat ramps, launches, and public access points on East Branch Rock River.