Trail · Mount St. Helens
Worm Flows Climbing Route
11.7 mi round trip5,765 ft gainVery hardDay hike: No permitOvernight: No permit
Get alerts for this hikePermits and reservations
Day hikeNo permit
No permit or reservation.
OvernightNo permit
No permit or reservation. Camp at least 200 ft from lakes and streams.
Outside wilderness and park boundaries, on Forest Service land. Matched from official boundaries and trail managers. Always confirm with the land manager before you go.
About the trail
Distance11.7 miRound trip, out and back
Elevation gain5,765 ftTotal climb, round trip
High point8,297 ftFrom elevation data
Overview
Worm Flows Climbing Route is a 11.7-mile round trip, out and back from Marble Mountain Sno-Park. The route follows Worm Flows Climbing Route.
Photos from hikers
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What you need
Parking and passes
Forest Service trailhead: display a Northwest Forest Pass or an interagency pass (America the Beautiful).
Buy a Northwest Forest PassGetting there
The hike starts at Marble Mountain Sno-Park. Save directions offline before you leave, since mountain roads often lose cell service.