I-90 Pass Area
For Mountain Turtles
P assion for mountains
E nthusiasm for 5000 ft
A dventurous scrambling
K omradery for camping
S nacks to share



Disclaimer
Use at your own risk. Weather and conditions, snow levels and avalanche dangers change. Daily local assessment of the danger and feasibility must be made by an experienced mountaineer before such routes should be attempted.

While some mountains have summer trails unsuitable for winter travel, these routes here often are Off-Trail Snow-Shoe or Winter Scrambles and the feasibility off snow is unknown. Beware of avalanche danger!

For more information, also look at Guide Books at eShop of Peaks


Snoqualmie Pass Area

1: Guye Peak - Snoqualmie Mountain:

  • A: Guye Peak from Commonwealth Basin
    Note: A fairly safe route IF you stay in the trees and on the ridge. Beware of cornices. Good Route finding needed for local avalanche assessment and avoidance.

  • B: Guye Peak from Alpental
    NOTE: Very Steep!

  • C: Snoqualmie Mountain from Alpental
    NOTE: Very Steep!

  • D: Snoqualmie Mountain from Alpental - Alternative Route
    NOTE: Watch for Avalanches

  • E: LEFT of Waterfall Source Lake Winter Route
    NOTE: Watch for Avalanches at and beyond Source Lake; Avoid Open Areas.
    NOTE: Even below Source Lake, an avalanche cleared off all large trees 1-15 year ago...
    NOTE: Do not cross the slopes behind Source Lake = Danger from above!

  • F: RIGHT of Waterfall Source Lake Winter Route - Snow Lake Pass - Snow Lake
    NOTE: Watch for Avalanches at and beyond Source Lake; Avoid Open Areas.
    NOTE: Even below Source Lake, an avalanche cleared off all large trees 1-15 year ago...
    NOTE: Do not cross the slopes behind Source Lake = Danger from above!

  • G: Snoqualmie Summit - Snow Lake Summer or Winter Route: Beware of Avalanches
    NOTE: In Winter, go back from Snow Lake the Winter Route above.
  • 2: Goldcreek - Kendall Lakes - Kendall Lakes Peaks:

  • A: Kendall Lakes _ Kendall Lake Peaks
    Note: Walk the road, or do shortcuts between switchbacks (Winter-Snowshoes).
  • 3: Lake Lilian - Rampart Ridge - Alta Mountain Areas:

  • A: "Peak Lilian" - Winter Route!
    Note: In the summer, you can drive up the road till point "G"
    Note: Rope, Crampons, Ice-Axe needed for the summit rocks.

  • B: Lake Lilian - Rampart Ridge - Alta Mtn Loop Route: Summer Trail/Easy Scramble, But LONG !!
    NOTE: K > V > U > S > T : Rampart Ridge!
    NOTE: N > S > T : Rampart Ridge from Rampart Lakes

  • C: Lake Lilian - "Peak Lilian - Rampart Ridge Off trail Summer Route/Easy Scramble

  • D: Alta Mountain Possible Winter Route
    NOTE: Watch for Avy in GoldCreek Valley.
    NOTE: Steep Forest Ascent
    NOTE: Alta Ridge in winter can be rough
  • 4: Close to the Pass: Thorp "Lake Route", Mt.Baldi Areas:

  • A: Box Ridge from Box Creek Campground: Winter Route?
    NOTE: Unknown Route.
    NOTE: River Crossing at "B" Unknown

  • B: Thorp Mtn From Little Kachees Lake: Boat needed! Winter Woute
    NOTE: Unknown Route.
    NOTE: Boat, Canoe, Kayak Needed to cross lake

  • B: Mt. Baldi - Dromerie - Roslyn Route Winter/Summer