River WY

Little Powder River Ab Dry Creek

Wyoming • 44.6883, -105.3610

Reviewed mapped path Updated Dec 27, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

189 mi

304 km

Elevation

4,640′ → 2,978′

1,662 ft drop

Stream Order

Major River

Slope

0.17%

8.8 ft/mi

Drainage

1,770 mi²

4,583 km²

Avg Flow

58 cfs

1.4 mph velocity

Path to Mouth

3,239 mi

5,213 km to ocean

Classification

Headwater

Source Stream

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