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Mossyrock Park

Verified
Lewis County, Washington, 98564→|Cowlitz River - Riffe Lake· 11,224 ac

Location

GPS Coordinates

About This Ramp

Surface
Asphalt
USGS2 data sourcesUpdated Mar 2026

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6.8 mi
Ike Kinswa State Park
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Mayfield Lake County Park
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Mossyrock Park is a public boat ramp on Cowlitz River - Riffe Lake in Lewis County, Washington (98564). GPS coordinates: 46.5158°N, 122.4060°W.