River CA

Little Van Duzen River

California • 40.3207, -123.5715

Reviewed mapped path Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

18 mi

29 km

Elevation

4,965′ → 1,953′

3,012 ft drop

Stream Order

Medium River

Slope

3.13%

165.1 ft/mi

Drainage

58 mi²

150 km²

Avg Flow

-- cfs

1.1 mph velocity

Path to Mouth

78 mi

126 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