Necklace Valley

A very strenuous, 18-mile round trip day hike with 3,200 feet of elevation gain up the East Fork of the Foss River. The trail follows the East Fork Foss River through second growth forest. You can continue your hike by heading right after campgrounds up a steep side stream to Jade Lake.

Getting There

From SR 2, about a half mile east of the Skykomish Ranger Station, turn south onto Forest Road 68, Foss River Road, and drive 4.1 miles to the  East Fork Foss River Trailhead on the left (1,600 ft).

on the trail

This trail starts slow and easy, gaining just 600 feet in the first 5 mi through pleasant forest along the East Fork of the Foss River—a nice, moderate day hike.  Then the work begins! As the trail crosses the river and climbs 2,400 feet in the next 3 mi.  But oh the rewards!  The first gem of a lake that the trail reaches is Jade, at 4,600 ft, then Emerald 0.25 mi farther, from which the chances for roaming are great - west to Jewel and Locket Lakes, east to Lake Ilswoot, or farther up to Opal and Cloudy Lakes under the steep cliffs of LaBohn Gap.  There's great camping near Jade Lake, Lake Ilswoot and Opal Lake.

Extending Your Trip

From the camp at the south end of Opal Lake, go off trail and up towards LaBohn, Chain and Williams Lakes and/or Fisher, Tank, and Bonnie Lakes.

  • Suitable Activities: Backpacking, Day Hiking
  • Seasons: June, July, August, September, October
  • Weather: View weather forecast.
  • Difficulty: Very Strenuous
  • Length: 18.0 mi
  • Elevation Gain: 3,200 ft
  • 4,800 ft
Map
  • Green Trails Alpine Lakes West (Stevens Pass) No. 176S
  • Green Trails Skykomish No. 175
Activities

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