River IA WI

Grant River

Iowa • 42.7203, -90.8192

Length

45 mi

72 km

Elevation

821′ → 603′

218 ft drop

Stream Order

6

Large River

Slope

0.09%

4.9 ft/mi

Drainage

313 mi²

810 km²

Avg Flow

217 cfs

1.2 mph velocity

Path to Mouth

1,626 mi

2,617 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Data from USGS & NOAA for informational purposes only. More

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