Creek SD

South Fork Whetstone Creek

South Dakota • 43.2302, -99.2119

Hydrography profile Updated Feb 1, 2026

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USGS and NOAA data is for informational purposes. Source notes

Length

52 mi

83 km

Elevation

2,224′ → 1,421′

803 ft drop

Stream Order

Medium River

Slope

0.29%

15.6 ft/mi

Drainage

134 mi²

346 km²

Avg Flow

-- cfs

1.1 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 South Fork Whetstone Creek

There are 1 boat ramps, launches, and public access points on South Fork Whetstone Creek.