Dorothy Lake Trail 1072


Enter Alpine Lakes Wilderness and hike through densely shaded forest to the Dorothy Lake outlet in approximately 1.5 miles. Follow the lake’s eastern edge for another two miles to the lake’s inlet. Climb over a steep ridge into the Snoqualmie Ranger District. Continue to Bear and Deer lakes, about one mile from the Dorothy Lake inlet. Dorothy Lake Trail ends 4.5 miles from the trailhead at Snoqualmie Lake and continues to Taylor River Road off the Interstate-90 corridor on Snoqualmie Lake Trail 1002.

Washington Trails Association

At a Glance

Permit Info: Alpine Lakes Wilderness self-issue permit is required for day and overnight use, obtained at the trailhead from May 15 to October 31.
Open Season: June
Usage: Heavy
Best Season: Late Spring / Summer / Fall
Busiest Season: Summer
Restrictions: Wilderness regulations apply
  • Hikers only.
  • Party size is limited to 12 people.
  • Dogs must be on a leash.
  • Camp in established campsites.
  • Campfires prohibited at Dorothy Lake.
  • Stay out of areas closed for restoration.
Closest Towns: Skykomish, Washington
Restroom: Vault toilet at trailhead
Passes: A valid Recreation Pass required at Dorothy Lake Trailhead.
Operated By: Forest Service
Information Center: Check current conditions or call Skykomish Ranger District office at 360-677-2414.

General Information


From Skykomish, WA take US Highway 2 west for about 3 miles to Old Cascade Highway, at approximately milepost 46. Turn south on Old Cascade Highway for one mile then turn south onto Miller River Road (FS Road #6410). Continue on #6410 for 9.5 miles to the road’s end at the trailhead.

General Notes:

Map: Green Trails #175 (Skykomish)

Recreation Map

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Recreation areas with activity Backpacking:

Day Hiking

Recreation areas with activity Day Hiking:
Fire InformationCampfires are prohibited at Dorothy and Snoqualmie Lakes
Elevation desc1900/4000
Difficulty Level: Easy to More Difficult
Areas & Activities


  Area/Length : 
4.5 miles

  Latitude : 

  Longitude : 

  Elevation : 
1,900 feet - 4,000 feet