River SD

Grand River

South Dakota • 45.5799, -100.5056

Length

181 mi

291 km

Elevation

2,198′ → 1,608′

591 ft drop

Stream Order

8

Major River

Slope

0.06%

3.3 ft/mi

Drainage

5,107 mi²

13,227 km²

Avg Flow

299 cfs

1.7 mph velocity

Path to Mouth

2,378 mi

3,827 km to ocean

Classification

Headwater

Source Stream

Elevation Profile

Data from USGS & NOAA for informational purposes only. More

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