River CA

Laguna

California • 38.2963, -121.3725

Reviewed mapped path Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

34 mi

55 km

Elevation

255′ → 14′

241 ft drop

Stream Order

Large River

Slope

0.13%

7.0 ft/mi

Drainage

144 mi²

374 km²

Avg Flow

-- cfs

1.4 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