River WY

Nielsen Ditch

Wyoming • 41.0401, -110.0703

Reviewed mapped path Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

4 mi

7 km

Elevation

7,431′ → 7,249′

182 ft drop

Stream Order

Medium River

Slope

0.81%

43.0 ft/mi

Drainage

83 mi²

215 km²

Avg Flow

-- cfs

0.9 mph velocity

Path to Mouth

3,146 mi

5,064 km to ocean

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