South Sister

Planning snapshot

South Sister is a 10,358 ft summit in the Cascade Range (USA). PeakAtlas rates it scramble (Strenuous scramble / non-technical); best season is Jul–Sep. No special summit permit. Typical staging is Bend (28 mi). Limited lodging data is mapped from OpenStreetMap for this region — stage in the listed town rather than expecting a full hotel directory. Use the 3D map and trip checklist before you go.

Elevation

10,358 ft

Prominence

5,588 ft

Difficulty tier

Scramble

Best season

Jul–Sep

Permits

No special summit permit

Staging

Bend · 28 mi

Mapped lodging

Limited / none mapped

Listed trails

2

As of 2026-07-31 · Figures come from the PeakAtlas3D catalog: surveyed elevations and prominence, curated difficulty tiers, best-season windows, permit notes, staging-town distances, trail lists, and OpenStreetMap lodging near each summit. Not live weather, quotas, or prices.

How hard is South Sister, and what do you need before you go?

South Sister is listed as Strenuous scramble / non-technical with a best season of Jul–Sep. Use the difficulty, permit, and staging details below before you commit to a date.

Difficulty

Strenuous scramble / non-technical

Best season

Jul–Sep

Access / staging

Bend, Oregon

How tall is South Sister, and where is it?

Location

Oregon, USA

Elevation

10,358 ft

Prominence

5,588 ft

Mountain range

Cascade Range

Difficulty

Strenuous scramble / non-technical

What makes South Sister notable?

Highest peak in Oregon’s Cascades and the most climbed Oregon volcano.

Oregon’s highest Cascade volcano and the state’s most popular high summit hike — a long climber’s trail from the Devils Lake / Green Lakes area near Bend.

After you check trip readiness for South Sister, explore the summit on PeakAtlas3D’s interactive 3D topographic map in the Cascade Range, Oregon, USA.

Closest places

• Bend — Oregon via Cascade Lakes Hwy
• Sisters — Oregon via US-20