Mount Stone/South Couloir

Scrambling the South Peak of the rocky, multi-peak Mount Stone by its South Couloir is 10 miles of travel and just over 5,00 feet of elevation gain. This is a long, hard scramble from the Hamma Hamma River Valley in the Olympics.

Approach & Ascent

From the Hamma Hamma River Road, hike the Putvin Trail which is very steep in places to access the basin below Mount Stone near Lake of The Angels (~3 miles).  Find the climbers path through the headwall to a small meadow at 4,400 ft and continue north to St. Peter's Gate. Traverse along the base of the cliff to the west ridge and climb the east side of this ridge to the summit. There are some class 4 scrambling moves on summit block.

  • Suitable Activities: Scrambling
  • Seasons: April, May, June, July, August, September, October
  • Weather: View weather forecast
  • Difficulty: Strenuous 5, Technical 5
  • Length: 10.0 mi
  • Elevation Gain: 5,012 ft
  • 6,612 ft
  • Land Manager: Olympic National Park
  • Parking Permit Required: National Park Entrance Fee
  • Recommended Party Size: 12
  • Maximum Party Size: 12
  • Maximum Route/Place Capacity: 12
  • USGS Mt Washington
  • USGS Mt Skokomish
  • Green Trails Olympic Mountains East No. 168S
  • Custom Correct Mount Skokomish - Lake Cushman
  • Trails Illustrated Olympic National Park
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