River SD WY

Cheyenne River

South Dakota • 43.8279, -102.8388

Length

431 mi

693 km

Elevation

4,322′ → 1,609′

2,713 ft drop

Stream Order

9

Major River

Slope

0.12%

6.3 ft/mi

Drainage

23,510 mi²

60,891 km²

Avg Flow

1,066 cfs

3.1 mph velocity

Path to Mouth

2,719 mi

4,376 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Data from USGS & NOAA for informational purposes only. More

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