River CA

South Fork Noyo River

California • 39.3769, -123.6555

Hydrography profile Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

11 mi

17 km

Elevation

887′ → 20′

867 ft drop

Stream Order

Medium River

Slope

1.56%

82.1 ft/mi

Drainage

27 mi²

71 km²

Avg Flow

-- cfs

1.1 mph velocity

Path to Mouth

17 mi

28 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