Chehalis River Surge Plain

Alder Grove, Washington 98563

Chehalis River Surge Plain

Chehalis River Surge Plain Professional Review and Guide

"A “slough” of surprises awaits you on this wonderful interpretive trail within the 3000-acre wildlife-rich Chehalis River Surge Plain Natural Area Preserve. Hike along an old logging railroad through the largest tidal surge plain wetland in the state. Along snaking sloughs and through a tunnel of greenery, at times you may think you’re hiking in Louisiana instead of Washington.

From 1910 until 1985, trains chugged through this saturated bottomland of scaly-barked spruce and speckled-bark alder. A few years later, trail crews from the Cedar Creek Correctional Camp helped transform the abandoned line into a great little trail.

The first 0.5 mile is wheelchair-accessible. Trail is subject to flooding."

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Trail Information

Alder Grove
Nearby City
Dog-friendly, Kid-friendly
7 miles
Trail Type
Skill Level
Additional Use
Washington State Department of Natural Resources, Pacific Cascade Region
Local Contacts
USGS Central Park
Local Maps
Flycatchers, wrens, warblers, and many more.
Specialty Birds