River WY

South Fork Dry Fork Cheyenne River

Wyoming • 43.1577, -105.9345

Hydrography profile Updated Feb 1, 2026

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USGS and NOAA data is for informational purposes. Source notes

Length

19 mi

31 km

Elevation

6,106′ → 5,441′

665 ft drop

Stream Order

Medium River

Slope

0.66%

34.8 ft/mi

Drainage

19 mi²

50 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

Rain Radar