Three Sisters Wilderness · OR
South Sister Summit
Hard · Day hike · Best in Summer
Length
12 mi
Gain
4,900 ft
Scenery
★★★★★
About this trail
A nontechnical climb to the 10,358-ft summit of Oregon's third-tallest peak. Volcanic gravel, a summit crater lake, and views of the entire Cascades chain.
Highlights
- Summit crater lake
- Middle and North Sister profile
- Lewis Glacier
Get there
Start: Trailhead · 44.0317, -121.7572
Open driving directions in Google Maps →Permit
Three Sisters Wilderness
Central Cascades Wilderness Permit required May 26–Sep 24. Day-use included.
Apply for permit →Along the way
- Devils Lake TH@ mile 0· 5,440 ft
- Wickiup Plain@ mile 2
- Moraine Lake (view)@ mile 3.5
- Lewis Glacier@ mile 5
- South Sister summit crater lake@ mile 6· 10,358 ft
- South Sister summit@ mile 6· 10,358 ft
Plan your visit on the interactive map
See South Sister Summit on the live Trailspark map alongside weather averages, gear lists, an elevation profile, and nearby points of interest.
Open South Sister Summit on the map →