River IL

North Fork Cuivre River

Illinois • 39.1427, -91.1171

Reviewed mapped path Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

40 mi

65 km

Elevation

674′ → 459′

215 ft drop

Stream Order

Large River

Slope

0.10%

5.4 ft/mi

Drainage

337 mi²

872 km²

Avg Flow

-- cfs

1.4 mph velocity

Path to Mouth

520 mi

837 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