Guye Peak/East Route

Guye Peak's East Route is a scramble of 5 miles with 2,200 feet of elevation gain through Commonwealth Basin near Snoqualmie Pass.

Getting There

Trip begins at Snoqualmie Pass Pacific Crest Trail Trailhead.

approach & Ascent

Follow the Pacific Crest Trail's (PCT) old route towards Commonwealth Basin to a stream crossing. Continue on the old trail a little further before ascending steeply up southeast slopes of Guye Peak. Traverse from south to the middle and north summits and return via the old trail from Guye-Snoqualmie Saddle through Commonwealth Basin back to the PCT trailhead.


  • The traverse from mid to north summits includes an exposed move that may make non-climbers uncomfortable.

FOr leaders

Permit information

As of 2017, the Snoqualmie Ranger District considers Mountaineers trips and courses to be "nominal use". Leaders should print and copy this designation letter to show rangers they may see on trail or carry a digital copy on their phone.

  • Suitable Activities: Scrambling
  • Seasons: May, June, July, August, September, October
  • Weather: View weather forecast
  • Difficulty: Strenuous 3, Technical 5
  • Length: 5.0 mi
  • Elevation Gain: 2,200 ft
  • 5,168 ft
  • Green Trails Snoqualmie Pass Gateway No. 207S
  • USGS Snoqualmie Pass

Upcoming Activities

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