River WA

Cowlitz River

Washington • 46.4481, -122.8003

Length

127 mi

204 km

Elevation

1,233′ → 5′

1,227 ft drop

Stream Order

8

Major River

Slope

0.18%

9.7 ft/mi

Drainage

227,718 mi²

589,787 km²

Avg Flow

-- cfs

2.8 mph velocity

Path to Mouth

193 mi

310 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Data from USGS & NOAA for informational purposes only. More

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