River MN

Little Rock River

Minnesota • 43.5541, -95.7882

Reviewed mapped path Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

73 mi

117 km

Elevation

1,703′ → 1,251′

451 ft drop

Stream Order

Medium River

Slope

0.12%

6.2 ft/mi

Drainage

451 mi²

1,168 km²

Avg Flow

-- cfs

1.1 mph velocity

Path to Mouth

4,113 mi

6,619 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