River WI MN

South Fork Buffalo River - Martha Lake

Wisconsin • 44.5742, -91.2209

Hydrography profile Updated Dec 27, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

16 mi

26 km

Elevation

1,201′ → 948′

253 ft drop

Stream Order

Medium River

Slope

0.29%

15.4 ft/mi

Drainage

38 mi²

100 km²

Avg Flow

34 cfs

0.8 mph velocity

Path to Mouth

1,830 mi

2,945 km to ocean

Classification

Headwater

Source Stream

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 South Fork Buffalo River - Martha Lake

There are 1 boat ramps, launches, and public access points on South Fork Buffalo River - Martha Lake.