Castle Rock Trails and Castle Rock Parks

Castle Rock has 20 trails in the vicinity, including 15 hiking trails and 3 for birding. These trails range from 0.3 to 52 miles in length. The most popular trails are Merrill Lake Campground, Spirit Lake Memorial Highway to Mount St. Helens and Cowlitz River—Castle Rock to Longview. Trails.com member Danny M. recently completed Spirit Lake Memorial Highway to Mount St. Helens.

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