Elevation

10,358 ft / 3,157 m

#4 in Oregon

#5,502 in United States

Prominence

5,598 ft / 1,706 m

#4 in Oregon

#65 in United States

Summits

115 summits

#2 in Oregon

#295 in United States

Top climbing months

August   34%

July   17%

September  16%

Most climbed route

South Sister Climber Trail (1-way)

6.4 mi • 4,804 ft gain • Class 2

Highlights

  • The highest of the famous Three Sisters, three volcanic peaks all over 10,000 ft high lying ~10 miles south of Sisters, Oregon
  • South Sister is the 3rd highest peak and the 4th most prominent in the state of Oregon
  • Located in the ~287,000 acre Three Sisters Wilderness, the 2nd largest wilderness in Oregon
  • One of the most climbed peaks in the state; most climbed in late summer but also a popular late spring backcountry skiing destination.
  • Features a summit crater that holds a small lake known as Teardrop Pool, the highest lake in Oregon. Also features a number of small glaciers including the Lewis, Clark, Lost Creek and Prouty glaciers.
  • The standard South Ridge climbing route is a non-technical 12.6 miles round-trip with 4,912 ft vertical gain.
32 summits • 6.4 mi • 4,804 ft gain • 7 hr 0 min • Class 2
2 summits • 6.2 mi • 4,906 ft gain • 5 hr 38 min
1 summit • 13.5 mi • 4,866 ft gain • 6 hr 35 min

Awards

Challenges