River WA

Chehalis River

Washington • 46.9391, -123.5104

Length

142 mi

228 km

Elevation

842′ → 1′

841 ft drop

Stream Order

8

Major River

Slope

0.11%

5.9 ft/mi

Drainage

2,693 mi²

6,975 km²

Avg Flow

-- cfs

2.8 mph velocity

Path to Mouth

142 mi

228 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Data from USGS & NOAA for informational purposes only. More

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