River MI

South Branch Iron River

Michigan • 46.1126, -88.7446

Hydrography profile Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

3 mi

5 km

Elevation

1,533′ → 1,508′

25 ft drop

Stream Order

Stream

Slope

0.14%

7.5 ft/mi

Drainage

9 mi²

22 km²

Avg Flow

-- cfs

0.6 mph velocity

Path to Mouth

561 mi

902 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

Rain Radar