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River WA

Lewis River

Washington • 45.9146, -122.6756
Length
90 mi
145 km
Elevation
7,121′ → 7′
7,114 ft drop
Stream Order
8
Major River
Slope
1.49%
78.7 ft/mi
Drainage
1,049 mi²
2,718 km²
Avg Flow
6,407 cfs
3.1 mph velocity
Path to Mouth
85 mi
136 km to ocean
Classification
Headwater
Source Stream
Elevation Profile
Water Quality

Data from EPA Water Quality Portal (USGS, EPA, state agencies).

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Data from USGS & NOAA for informational purposes only. More
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Access Sites on Lewis River

There are 11 boat ramps, launches, and public access points on Lewis River.