Middle Sister
Trip Guide & 3D Map
Cascade Range · Difficulty, season, and access — then explore the 3D terrain
Planning snapshot
Middle Sister is a 10,047 ft summit in the Cascade Range (USA). PeakAtlas rates it scramble (Snow / scramble); 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
- 10,047 ft
- Prominence
- 1,187 ft
- Difficulty tier
- Scramble
- Best season
- Jul–Sep
- Permits
- No special summit permit
- Staging
- Bend · 28 mi
- Mapped lodging
- Limited / none mapped
- Listed trails
- —
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 Middle Sister, and what do you need before you go?
Middle Sister is listed as Snow / scramble with a best season of Jul–Sep. Use the difficulty, permit, and staging details below before you commit to a date.
- Difficulty
- Snow / scramble
- Best season
- Jul–Sep
- Access / staging
- Bend, Oregon
How tall is Middle Sister, and where is it?
- Location
- Oregon, USA
- Elevation
- 10,047 ft
- Prominence
- 1,187 ft
- Mountain range
- Cascade Range
- Difficulty
- Snow / scramble
What makes Middle Sister notable?
Central Three Sisters summit; popular Oregon Cascade alpine day climb.
The middle peak of Oregon’s Three Sisters — a moderate snow and scree climb often done as a long day from the Pole Creek or Obsidian approaches.
After you check trip readiness for Middle Sister, explore the summit on PeakAtlas3D’s interactive 3D topographic map in the Cascade Range, Oregon, USA.
Closest places
- Bend — Oregon via Pole Creek
- Sisters — Oregon via OR-242