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River IL

Red River

Illinois • 40.6985, -89.1843
Reviewed mapped path Updated Dec 30, 2025
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USGS and NOAA data is for informational purposes. Source notes
Length
7 mi
12 km
Elevation
750′ → 632′
118 ft drop
Stream Order
3
Stream
Slope
0.30%
15.9 ft/mi
Drainage
12 mi²
32 km²
Avg Flow
-- cfs
0.7 mph velocity
Path to Mouth
1,421 mi
2,287 km to ocean
Classification
Tributary
Mid-reach
Elevation Profile
Water Quality

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

EPA WQP MyWaterway
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Data from USGS & NOAA for informational purposes only. Read source and safety notes
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Access Sites on Red River

There are 40 linked public-access records for Red River.