River WI

Tomahawk River

Wisconsin • 45.8770, -89.7281

Hydrography profile Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

71 mi

115 km

Elevation

1,585′ → 1,448′

137 ft drop

Stream Order

Medium River

Slope

0.04%

1.9 ft/mi

Drainage

398 mi²

1,032 km²

Avg Flow

-- cfs

0.9 mph velocity

Path to Mouth

1,859 mi

2,991 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Water Quality

Data from EPA Water Quality Portal (USGS, EPA, state agencies).

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Data from USGS & NOAA for informational purposes only. Read source and safety notes

Access Sites on Tomahawk River

There are 1 boat ramps, launches, and public access points on Tomahawk River.