South Sister Climber Trail is a round-trip hike of 11.7 mi / 18.8 km near Sunriver, OR. Expect about 4,911 ft / 1,497 m of elevation gain, with a high point of 10,325 ft / 3,147 m. Difficulty: Hard. At an average pace, plan on about 7 hr 30 min. High-elevation trail, usually snow-free from mid-July into October. Before then, expect snow and possible avalanche danger.
Elevation profile
Along the route: low 5,479 ft / 1,670 m · high 10,325 ft / 3,147 m