River CA

Mattole River

California • 40.1393, -123.9914

Length

70 mi

113 km

Elevation

1,753′ → 7′

1,746 ft drop

Stream Order

Medium River

Slope

0.47%

24.9 ft/mi

Drainage

244 mi²

633 km²

Avg Flow

-- cfs

1.1 mph velocity

Path to Mouth

71 mi

114 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Data from USGS & NOAA for informational purposes only. More

Monitor

Water Level Gauges on Mattole River

There are 2 USGS water level monitoring stations on Mattole River providing real-time flow and stage data.

There are 3 boat ramps, launches, and public access points on Mattole River.