River IL

Little Marys River

Illinois • 38.0126, -89.7403

Length

24 mi

39 km

Elevation

536′ → 361′

174 ft drop

Stream Order

5

Medium River

Slope

0.14%

7.2 ft/mi

Drainage

74 mi²

191 km²

Avg Flow

-- cfs

1.1 mph velocity

Path to Mouth

143 mi

231 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Data from USGS & NOAA for informational purposes only. More

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