Mount St. Helens/Worm Flows

A scramble of 12 miles with 5,700 feet of gain and the preferred winter route.

GETTING THERE

Take Exit 22 off of I-5 and merge onto Dike Access Rd. Continue onto Old Pacific Highway and bear left onto E Scott Ave. At the traffic circle take the second left onto Lewis River Rd. In ~30 miles, Lewis River Rd continues as Road 90. Turn left at Forest Road 83, and in ~6 miles turn right into the Marble Mountain Sno-Park (2,600 ft).

Notes

  • Climbing permits are required and done by lottery with the land manager.
  • A Sno-Park parking permit may be needed during month of April for the Marble Mountain Sno-Park.

information FOR LEADERS

scheduling & permits

  • This route allows multiple bookings. Please check scheduled trips listed below in the "Activities" tab to see if there is another group already booked on the same day. Leaders are expected to contact the leader(s) of existing trips to ensure there are no concerns or conflicts, according to The Mountaineers Outdoor Ethics Policy.
  • Leaders are responsible for obtaining climbing permits during the permitted season.
  • Difficulty: Strenuous 5, Technical 4, Winter Scramble
  • Length: 12.0 mi
  • Elevation Gain: 5,700 ft
  • 8,363 ft
Map
  • USGS Mt St Helens
  • Green Trails Mount St Helens NVM No. 332S
  • Green Trails Mt St Helens NW No. 364S
Activities

Upcoming Activities

TAC MAC Backcountry Ski/Snow Scramble - Mount St. Helens/Worm Flows

Backcountry Skiing Youth activity: Mountaineers Adventure Club - Tacoma
Skis, snowshoes, boots, pons
Difficulty: Strenuous 5, Technical 4, Winter Scramble
Sat, Mar 23, 2024
No Prerequisites
4 participants 0 instructors
Registration closes Mar 21
Tacoma Branch
Sarah Holt
Qualified Youth Leader

Winter Scramble - Mount St. Helens/Worm Flows

Scrambling Trip
Weekend snow scramble of St Helens. Car camping Saturday night with the climb on Sunday
Difficulty: Strenuous 5, Technical 4, Winter Scramble
Sat, Mar 23, 2024 - Sun, Mar 24, 2024
Prerequisites, Leader's Permission Required
0 participants
Registration closes Mar 21
Seattle Branch
Mark Scheffer

Backcountry Ski/Snowboard - Mount St. Helens/Worm Flows

Backcountry Skiing Trip
One day ski tour of MSH.
Difficulty: Strenuous 5, Technical 4, Winter Scramble
Fri, Mar 29, 2024
Prerequisites, Leader's Permission Required
9 participants on waitlist 0 leaders
Registration closes Mar 25
Seattle Branch
Michael Nanney

Winter Scramble - Mount St. Helens/Worm Flows

Scrambling Trip
Overnight winter/spring scramble of MSHs. Camping above Chocolate Falls. Priority to participants on the postponed
Difficulty: Strenuous 5, Technical 4, Winter Scramble
Sat, Mar 30, 2024 - Sun, Mar 31, 2024
Prerequisites, Leader's Permission Required
2 participants on waitlist 2 leaders
Registration closed Feb 22
Kitsap Branch
Nathan Starr
Qualified Youth Leader

Winter Scramble - Mount St. Helens/Worm Flows

Scrambling Trip
Annual climb of my favorite volcano, hopefully now with road access and not a deep
Difficulty: Strenuous 5, Technical 4, Winter Scramble
Fri, Apr 5, 2024 - Sat, Apr 6, 2024
Prerequisites, Leader's Permission Required
2 participants on waitlist 1 leader
Registration closes Mar 31
Foothills Branch
Travis Prescott
Trip Reports
Titles

This is a list of titles that represent the variations of trips you can take at this route/place. This includes side trips, extensions and peak combinations. Not seeing a title that fits your trip? Log in and send us updates, images, or resources.

  • Chocolate Falls
Resources

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