Mount St. Helens/Worm Flows


Intermediate Snowshoe - Mount St. Helens/Worm Flows

CANCELED due to CoViD-19 resonse. Let's try (again!) to get up Mount Saint Helens before permit season begins! Backup destination is Mount Catherine.

COVID-19: Learn about our most up-to-date guidance for participants and leaders on our COVID-19 Response page. All participants and leaders must agree to the COVID-19 Code of Conduct before participating in this Mountaineers activity.
  • Very Strenuous
  • Challenging
  • Mileage: 12.0 mi
  • Elevation Gain: 5,700 ft
  • Pace: 1.5-2.0mph

Marble  Mountain Sno-park @ 5AM. Car camping the night before recommended. Sno-park pass (non-groomed) required.

Leader Permission Required

Due to the distance and gain, this trip requires leader permission. You should have a history of winter conditioning with similar distances and at least 3k feet of gain.

Mount Catherine is the backup destination in the event that conditions are not suitable.


Mount St. Helens/Worm Flows

  • USGS Mt St Helens

    Green Trails Mount St Helens NVM No. 332S

    Green Trails Mt St Helens NW No. 364S
  • See full route/place details.
Required Equipment

Required Equipment

Trip Reports