Also on the map ofCascade Range‹ American Cordillera
Mount Thielsen
- Easiest route
- 7.2 km+1,130 m · about 3.5 h · T4
- Prominence
- 991 m3,251 ft
- Isolation
- 26 km
- Tonight
- 31°FFair · Wind 7–15 mph ENE
Mount Thielsen is a 2,799 m (9,183 ft) mountain in the Cascade Range, Oregon, United States.
All facts
- Elevation
- 2,799 m · 9,183 ft
- Nearest higher peak
- Mount McLoughlin (2,894 m)
- Range
- Cascade Range
- Region
- Oregon, United States
- Protected area
- Umpqua National Forest
- Spanish name
- Monte Thielsen
- Coordinates
- 43.1528° N, 122.0665° W
How to get to the top of Mount Thielsen
3 mapped walking routes from where a car can get you, with distance and climb from the terrain model.
Easiest route: from Mount Thielsen Trailhead (parking)
- Distance
- 7.2 kmone way
- Climb
- +1,130 m(3,707 ft up)
- Time up
- about 3.5 h
- Difficulty
- T4Alpine: faint path, hands needed in places
Other routes 2
Routes © OpenStreetMap contributors, available under the ODbL. Climb from the terrain model. Trails change and maps miss things: check conditions locally.
Mount Thielsen 3D map
Drag to orbit · click, then scroll to zoom (or Ctrl/⌘ + scroll) · One finger scrolls the page · two fingers orbit and zoom · 8 × 8 km
Mount Thielsen terrain and contours
50 m contours from the USGS 3DEP 10 m terrain model. The route drawn is the easiest mapped one. Click two points on the map to draw your own cross-section.Tap two points on the map to draw your own cross-section.
West → east through the summit
Mount Thielsen weather
Today · Clear · 31 / 34°F (-1 / 1°C) · Wind 15 mph NNW
Mount Thielsen forecast for the summit, about 2,362 m. Summit vs base: the Base line is for about 1,579 m.
- Today31°34°–15 mph NNWBase 26 / 44°
- Sat35°41°–7 mph SBase 36 / 57°
- Sun31°47°46%12–16 mph SWBase 35 / 53°
- Mon29°33°65%6–18 mph SWBase 31 / 43°
- Tue27°33°27%2–9 mph WSWBase 29 / 43°
- Wed28°37°17%3–10 mph SSWBase 30 / 47°
- Thu30°38°11%0–12 mph SSWBase 31 / 48°
Forecast data: NOAA National Weather Service, public domain, model run Oct 23, 23:41 UTC.
Camping & parking near Mount Thielsen
Campsites, parking, trailheads and mountain huts mapped in OpenStreetMap around Mount Thielsen, nearest first, by straight-line distance. Check access, fees and permits locally.
Nearest parking
Mount Thielsen Trailhead
Nearest campsite
Diamond Lake Campground
Nearest caravan site
Diamond Lake Trailer Court
Nearest trailhead
North Crater Trailhead
All mapped places 8
| Place | Distance |
|---|---|
| Mount Thielsen TrailheadParking | 5.0 km W |
| Parking | 5.4 km W |
| Parking | 5.5 km W |
| Diamond Lake CampgroundCampsite | 5.5 km W |
| Diamond Lake Trailer CourtCaravan site | 5.7 km WSW |
| South Shore Hiker/Biker CampCampsite | 6.3 km WSW |
| Broken Arrow CampgroundCampsite | 6.6 km WSW |
| North Crater TrailheadTrailhead | 7.1 km SSW |
How steep is the route to Mount Thielsen?
The easiest mapped route, 7.2 km from 1,650 m to 2,799 m. Steepest stretch: 44°.
- 0–15°6.1 km
- 15–30°0.8 km
- 30–45°0.2 km
Grades are averaged between profile points about 70 m apart, so short steeper steps don’t show.
Land cover
ESA WorldCover 10 m classification of the same area.
Snow & ice means glaciers and year-round snow (a yearly average), not today’s snow cover.
Wildlife seen nearby
Sightings of the most-seen species on iNaturalist (research grade) within 4 km; 63 species recorded in all.
Sightings per species 6
- Little hulsea10
- Davidson's Penstemon10
- Partridgefoot9
- Sugarstick6
- Cliff Beardtongue6
- Western Toad5
Where Mount Thielsen sits
- Region
- Oregon44United States932North America1,313
Ranked in 1
Nearby places
Diamond Lake1,580 m↑7.0 km W
Miller Lake↑12 km NE
Crater Lake1,883 m↑24 km S
Odell Lake1,459 m↑47 km N
Lost Creek Lake534 m↑71 km SW
More in the Cascade Range 6
Mount Thielsen downloads: topographic map, heightmap, STL 3D model and DEM
Free files made in your browser from this page's terrain data. No sign-up; credit the sources below.
Print & wall
3D printing & 3D apps
Free to use with credit: see the data sources
How accurate is this?
within 10 m This 3D map reads 2,792 m at the summit; the official height is 2,799 m.
A 10 m terrain model averages each cell, so a few metres either way is normal. The 90 m model misses by 78 m.
| Source | Summit | Difference |
|---|---|---|
| Official height (Wikidata) | 2,799 m | — |
| USGS 3DEP lidar | 2,800 m | +1 m |
| USGS 3DEP 10 m (used on this page) | 2,792 m | -7 m |
| Copernicus GLO-30 | 2,742 m | -57 m |
| Copernicus GLO-90 | 2,721 m | -78 m |
Data sources
- Terrain
- U.S. Geological Survey, 3D Elevation Program (public domain)
- Imagery
- Contains modified Copernicus Sentinel data 2026 (scene 2026-07-25)
- Land cover
- © ESA WorldCover project 2021 / Contains modified Copernicus Sentinel data (2021) processed by ESA WorldCover consortium
- Facts
- Wikidata (CC0)
- Routes, Camping & parking
- © OpenStreetMap contributors (ODbL)
- Summits
- © OpenStreetMap contributors, via Overture Maps Foundation (ODbL)
- Protected area
- USGS Gap Analysis Project, PAD-US (public domain)
- Wildlife
- iNaturalist community observations, counts only
- Accuracy comparison
- Includes Copernicus WorldDEM-30 © DLR e.V. 2010-2014 and © Airbus Defence and Space GmbH 2014-2018 provided under COPERNICUS by the European Union and ESA; all rights reserved. The European Union, ESA, DLR and Airbus incur no liability for any use of this data and do not endorse this service.
- Accuracy comparison, Panorama
- Includes Copernicus WorldDEM-90 © DLR e.V. 2010-2014 and © Airbus Defence and Space GmbH 2014-2018 provided under COPERNICUS by the European Union and ESA; all rights reserved. The European Union, ESA, DLR and Airbus incur no liability for any use of this data and do not endorse this service.
- Forecast
- Weather forecast from NOAA National Weather Service (public domain)
- Sources
- Wikidata · OpenStreetMap · GeoNames · Wikipedia