Creek WY

Twentymile Creek

Wyoming • 44.4744, -105.8161

Hydrography profile Updated Feb 1, 2026

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USGS and NOAA data is for informational purposes. Source notes

Length

67 mi

108 km

Elevation

5,440′ → 4,128′

1,312 ft drop

Stream Order

Medium River

Slope

0.37%

19.6 ft/mi

Drainage

206 mi²

533 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