River CA

Upper North Fork Mattole River

California • 40.2851, -124.0867

Length

8 mi

13 km

Elevation

1,910′ → 291′

1,618 ft drop

Stream Order

5

Medium River

Slope

3.82%

201.5 ft/mi

Drainage

174 mi²

450 km²

Avg Flow

-- cfs

1.1 mph velocity

Path to Mouth

35 mi

57 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Data from USGS & NOAA for informational purposes only. More

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