River IL

Gilbert Chute

Illinois • 39.6047, -91.2054

Reviewed mapped path Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

4 mi

7 km

Elevation

449′ → 449′

0 ft drop

Stream Order

Major River

Slope

0.00%

0.0 ft/mi

Drainage

232,368 mi²

601,831 km²

Avg Flow

-- cfs

4.0 mph velocity

Path to Mouth

503 mi

810 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