River WA

Willapa River

Washington • 46.6747, -123.7433

Length

42 mi

68 km

Elevation

2,015′ → -1′

2,016 ft drop

Stream Order

8

Major River

Slope

0.90%

47.6 ft/mi

Drainage

237 mi²

614 km²

Avg Flow

-- cfs

2.8 mph velocity

Path to Mouth

42 mi

68 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Data from USGS & NOAA for informational purposes only. More

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