Mt. Jefferson
Trip Guide & 3D Map
Cascade Range · Difficulty, season, and access — then explore the 3D terrain
Planning snapshot
Mt. Jefferson is a 10,497 ft summit in the Cascade Range (USA). PeakAtlas rates it snow / glacier (Technical alpine / glacier); best season is Jul–Sep. No special summit permit. Typical staging is Sisters (35 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
- 10,497 ft
- Prominence
- 5,777 ft
- Difficulty tier
- Snow / glacier
- Best season
- Jul–Sep
- Permits
- No special summit permit
- Staging
- Sisters · 35 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 Mt. Jefferson, and what do you need before you go?
Mt. Jefferson is listed as Technical alpine / glacier with a best season of Jul–Sep. Use the difficulty, permit, and staging details below before you commit to a date.
- Difficulty
- Technical alpine / glacier
- Best season
- Jul–Sep
- Access / staging
- Sisters, Oregon
How tall is Mt. Jefferson, and where is it?
- Location
- Oregon, USA
- Elevation
- 10,497 ft
- Prominence
- 5,777 ft
- Mountain range
- Cascade Range
- Difficulty
- Technical alpine / glacier
What makes Mt. Jefferson notable?
Oregon’s #2 Cascade summit and a committing wilderness climb north of the Three Sisters.
Oregon’s second-highest Cascade volcano — a remote, technical summit north of Sisters with long approaches through Jefferson Wilderness.
After you check trip readiness for Mt. Jefferson, explore the summit on PeakAtlas3D’s interactive 3D topographic map in the Cascade Range, Oregon, USA.
Closest places
- Sisters — Oregon via US-20