River IL

Picayune Chute

Illinois • 37.3449, -89.4417

Reviewed mapped path Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

8 mi

13 km

Elevation

344′ → 321′

23 ft drop

Stream Order

Major River

Slope

0.05%

2.8 ft/mi

Drainage

587,286 mi²

1,521,065 km²

Avg Flow

-- cfs

4.0 mph velocity

Path to Mouth

64 mi

103 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