Trailspark
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.

Visiting from out of town? We can build a multi-day trip around Three Sisters Wilderness for you →

Highlights

Get there

Start: Trailhead · 44.0317, -121.7572
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Permit

Three Sisters Wilderness

Central Cascades Wilderness Permit required May 26–Sep 24. Day-use included.

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Along the way

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 →