River CA

South Fork Mad River

California • 40.1401, -123.2489

Hydrography profile Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

4 mi

6 km

Elevation

3,729′ → 2,909′

820 ft drop

Stream Order

Medium River

Slope

4.15%

219.3 ft/mi

Drainage

5 mi²

14 km²

Avg Flow

-- cfs

1.1 mph velocity

Path to Mouth

106 mi

171 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