River NV

Las Vegas Wash

Nevada • 36.1240, -114.9746

Reviewed mapped path Updated Dec 30, 2025

Checking mapped path coverage…

USGS and NOAA data is for informational purposes. Source notes

Length

21 mi

34 km

Elevation

1,955′ → 1,211′

744 ft drop

Stream Order

Large River

Slope

0.66%

34.7 ft/mi

Drainage

645 mi²

1,672 km²

Avg Flow

-- cfs

1.8 mph velocity

Path to Mouth

362 mi

583 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Water Quality

Data from EPA Water Quality Portal (USGS, EPA, state agencies).

Loading the interactive map…

Data from USGS & NOAA for informational purposes only. Read source and safety notes

Rain Radar