River IL IN KY OH PA WV

Ohio River

Illinois • 37.7783, -88.7238

Length

1,514 mi

2,436 km

Elevation

709′ → 292′

417 ft drop

Stream Order

9

Major River

Slope

0.01%

0.3 ft/mi

Drainage

200,702 mi²

519,815 km²

Avg Flow

306,439 cfs

4.8 mph velocity

Path to Mouth

1,949 mi

3,137 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Data from USGS & NOAA for informational purposes only. More

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