Sediment Retention Dam Trail

Castle Rock, Washington 98611

Sediment Retention Dam Trail

Sediment Retention Dam Trail Professional Guide

Detailed Trail Description from our Guidebook

"Walk through a lush, mossy forest to a massive earthen dam built to prevent downriver flooding. Then walk upon the 184-foot-high dam, enjoying views up the North Fork Toutle River valley to rounded green hills and the ashen Mount St. Helens. Bird- and small-mammal-watching is good in the wetlands behind the dam."

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Trail Information

Castle Rock
Nearby City
Dog-friendly, Kid-friendly
Trail Type
Skill Level
1-1.5 hours
Best Times
US Army Corps of Engineers, Portland District
Local Contacts
USGS Toutle Mountain
Local Maps

Activity Feed

Dec 2018