Hidden Lake Lookout & Peak

A scramble of 9 miles with 3,300 feet of elevation gain off of the Cascade River Road in North Cascades National Park.

getting there

From SR-20 in Marblemount, turn onto Cascade River Road. Follow it east for 9.7 miles and then turn  left onto Forest Road 1540 (Sibley Creek Road). Drive 4.7 miles to the road's end and trailhead (3,600 ft).

On the Trail

Hidden Lake Lookout (6,890 ft)

9 miles round trip with 3,340 feet of elevation gain, Difficulty: Strenuous

Hike the Hidden Lake Trail 4.5 mile to the southwest peak and the Hidden Lake Lookout.

Approach & Ascent

Hidden Lake Peak (7,088 ft)

10 miles round trip with 3,540 feet of elevation gain, difficulty: Strenuous 3, Technical 3

Hike the Hidden Lake Trail to the the saddle just north of the southwest peak and scramble northeast to the summit of the northeast peak.

  • Suitable Activities: Day Hiking, Scrambling
  • Seasons: July, August, September, October
  • Weather: View weather forecast
  • Difficulty: Strenuous, Strenuous 3, Technical 3
  • Length: 9.0 mi
  • Elevation Gain: 3,300 ft
  • 7,088 ft
  • Land Manager: North Cascades National Park
    Stephen Mather Wilderness, Mount Baker Ranger District (MBSNF)
  • Parking Permit Required: None
  • Recommended Party Size: 12
  • Maximum Party Size: 12
  • Maximum Route/Place Capacity: 12
  • Green Trails North Cascades Ross Lake No. 16SX
  • Green Trails Diablo Dam No. 48
  • Green Trails Cascade Pass No. 80
  • USGS Sonny Boy Lakes
  • USGS Eldorado Peak
  • Trails Illustrated North Cascades National Park
Trip Reports

This is a list of titles that represent the variations of trips you can take at this route/place. This includes side trips, extensions and peak combinations. Not seeing a title that fits your trip? Log in and send us updates, images, or resources.

  • Hidden Lake Lookout
  • Hidden Lake Peaks Lookout
  • Hidden Lake Peak
  • Hidden Lake Peaks

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