Lake Dorothy

Mount Baker-Snoqualmie National Forest

Alpine Lakes Wilderness, Washington

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Lake Dorothy


  • The trail to Lake Dorthy is very well traveled.- Lake Dorothy
  • Wood plank bridges over marshy areas.- Lake Dorothy
  • Bridge over Camp Robber Creek.- Lake Dorothy
  • Flights of stairs up to Lake Dorothy.- Lake Dorothy
  • Day use area at Lake Dorothy.- Lake Dorothy
  • One of several campsites on the lake.- Lake Dorothy
  • Plank bridges.- Lake Dorothy
  • Inlet crossing at the end of the lake.- Lake Dorothy
  • Blueberries alongside the trail.- Lake Dorothy
  • Lake Dorothy from the south.- Lake Dorothy
Overview + Weather
Lakeside camping. Well-maintained trails. Wild berries.
Rough road to trailhead.
Alpine Lakes Wilderness, WA
Pets allowed: 
Net Elevation Gain: 
800.00 ft (243.84 m)
Parking Pass: 
NW Forest Pass
Preferable Season(s):
Spring, Summer, Fall
Total Distance: 
3.80 mi (6.12 km)
Trail type: 
Trailhead Elevation: 
2,260.00 ft (688.85 m)
Current Local Weather:
Hike Description

Hike Description


One of the largest bodies of water in the Alpine Lakes Wilderness, Lake Dorothy is a perfect destination for families or backpackers looking for a short overnight trip. The north tip of the lake is just a 1.8-mile hike from the car, and the 2-mile shore offers a multitude of prime spots for playing, camping and fishing.

The trail starts by following the East Fork Miller River until it reaches Camp Robber Creek, where a bridge offers a pleasing view of tumbling water as it cascades down the rocks. After the bridge, the trail starts gaining elevation, and you will thank the volunteers who have built countless flights of stairs over this rocky section to make the ascent easier. Soon the lake comes into view, and a map of all the camping spots, day use areas, and toilets is posted at the junction to the first lake access.

Walking the full length of the lake will extend your trip to over 7 miles round trip, and you will be treated to wild blueberries in late summer, a multitude of picturesque little islands dotting the water, and views of Big Snow Mountains in the distance. If you would like to add even more mileage and elevation, follow the trail up the ridge to Bear and Deer Lakes or down the other side to Snoqualmie Lake. The further you venture from the trailhead, the more likely it is you will have a lake to yourself.

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Updates, Tips + Comments

Field Guide

Field Guide

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Location + Directions

Nearby Camping + Lodging

(21 within a 30 mile radius)

Nearby Adventures

(128 within a 30 mile radius)

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