River CA

South Fork Mokelumne River

California • 38.3514, -120.4447

Hydrography profile Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

27 mi

44 km

Elevation

6,298′ → 1,251′

5,046 ft drop

Stream Order

Large River

Slope

3.49%

184.1 ft/mi

Drainage

79 mi²

204 km²

Avg Flow

-- cfs

1.4 mph velocity

Path to Mouth

138 mi

222 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