Mount Thompson/East Ridge


Alpine Scramble - Mount Thompson/East Ridge

Long, one-day scramble to remote peak in the Alpine Lakes Wilderness

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.
  • Strenuous 5, Technical 5
  • Challenging
  • Mileage: 18.0 mi
  • Elevation Gain: 3,600 ft

Early start. Times and location to be decided

Follow Commonwealth Basin cutoff trail to PCT and continue past Kendall Catwalk and Ridge Lake to Bumblebee Pass. Proceed to East Ridge and follow climber's trail to summit. Expect some class 4 scrambling. Not recommended for students unless I know you.

We will have a water filter to refill water at Ridge Lake.


Mount Thompson/East Ridge

Required Equipment

Required Equipment

  • The Ten Essentials
  • Helmet
  • Mountaineering Boots
  • Ice Axe
  • Hasty-harness or diaper harness. Climbing harness is acceptable
  • locking carbiner
  • prussic
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