Creek SD

Cottonwood Creek

South Dakota • 43.1979, -103.9534

Hydrography profile Updated Feb 1, 2026

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USGS and NOAA data is for informational purposes. Source notes

Length

316 mi

509 km

Elevation

4,976′ → 1,696′

3,280 ft drop

Stream Order

Large River

Slope

0.20%

10.4 ft/mi

Drainage

4,572 mi²

11,841 km²

Avg Flow

-- cfs

1.4 mph velocity

Classification

Tributary

Mid-reach

Elevation Profile

Water Quality

Data from EPA Water Quality Portal (USGS, EPA, state agencies).

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Data from USGS & NOAA for informational purposes only. Read source and safety notes

Access Sites on Cottonwood Creek

There are 1 boat ramps, launches, and public access points on Cottonwood Creek.