Mount Shasta/Avalanche Gap

A Grade II, Class 3 snow and glacier climb on one of California's Cascade volcanoes. This is also a good back country ski trip.

getting there

There are three trailheads that serve this route—Sand Flat, Bunny Flat and Ski Bowl. From the town of Mount Shasta drive northeast on Lake Street and turn  left onto Everett Memorial Highway. The turn offs to Sand Flat are at 10.5 and 11 miles, Bunny Flat is at 2 miles and Ski Bowl is at 14.5 miles.


Standard glacier gear.

Ski descent

Ski down the ascet route or consider skiing down the West Face Gully and traversing back to Horse Camp.


  • Guidebook: Best Climbs Cascade Volcanoes by Jeff Smoot (Falcon Guides 2012).
  • Consider bagging Lassen Peak along with Mount Shasta. It's 5-mile round trip day hike with 2,000 feet of elevation gain.
  • Suitable Activities: Climbing, Skiing/Snowboarding
  • Climbing Category: Basic Alpine
  • Skiing/Snowboarding Category: Glacier
  • Seasons: May, June, July, August
  • Weather: View weather forecast.
  • Difficulty: Basic Alpine Climb, M2G Mountain 2 Glacier Ski
  • Length: 12.0 mi
  • Elevation Gain: 7,200 ft
  • 14,162 ft
  • Land Manager: Shasta-Trinity National Forest
    Mount Shasta Wilderness, Siskiyou Mountains Ranger District (RRSNF)
  • Parking Permit Required: None
  • Default Party Size: 12
  • Maximum Party Size: 12
  • Wilderness Press Mt. Shasta Wilderness
  • USGS Mt Shasta
  • USGS McCloud
  • Red Marker
    41.354091, -122.233294
    41.3540909188 -122.233294485
  • Red Marker
    41.409964, -122.194896
    41.40996383 -122.194895863

Upcoming Activities

There are no activities scheduled at this location.

Trip Reports

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.

  • Mount Shasta & Lassen Peak
  • Mount Shasta/Avalanche Gap & Lassen Peak

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