Hidden Lake 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 Marblmount, 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).

  • Suitable Activities: Scrambling
  • Seasons: July, August, September, October
  • Weather: View weather forecast
  • Difficulty: 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, Darrington Ranger District (MBSNF)
  • Parking Permit Required: None
  • Recommended Party Size: 12
  • Maximum Party Size: 12
  • Maximum Route/Place Capacity: 12
  • Green Trails Diablo Dam No. 48
  • Green Trails Cascade Pass No. 80
  • USGS Sonny Boy Lakes
  • USGS Eldorado Peak

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