River WY

Ninemile Ditch

Wyoming • 44.7606, -106.8771

Reviewed mapped path Updated Feb 1, 2026

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USGS and NOAA data is for informational purposes. Source notes

Length

12 mi

19 km

Elevation

4,017′ → 3,910′

107 ft drop

Stream Order

Medium River

Slope

0.17%

8.9 ft/mi

Drainage

64 mi²

167 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