Big Four Ice Caves

An easy, 3 mile hike with 200 ft in elevation gain on a well maintained trail. The route crosses the South Fork Stillaquamish River in old growth forest with views of cascading waterfalls, mountains, and terminates at the base of a 4,000 ft sheer wall will massive avalanched snow deposits that forms caves by mid-summer.

Temporary Closure

Effective 5/15/23 to 6/30/23: The Darrington District of the Mt.-Baker-Snoqualmie National Forest is preparing recreation sites for maintenance and construction by closing the trailheads, parking lots and trails in some areas along and near the Mountain Loop Highway. They will also be closing portions of roads in the area. Big Four Picnic Area & Ice Caves Trailhead/Trail will be closed May 15-June 30 for work. View a map of the affected areas.

  • Difficulty: Easy
  • Length: 3.0 mi
  • Elevation Gain: 200 ft
  • 1,900 ft
  • Green Trails Silverton No. 110

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