Mount Thielsen Trail
Moderate · AceMount Thielsen Wilderness, Oregon
No photos yet
Add the first7.2 km4.4 mi
Distance
1121 m3678 ft
Elevation gain
3h 30m
Est. time
Route
Route type
- No bicycles
What to expect on this trail
- Steep
- Sustained climb
- Hiking
How these were worked out
- Steepestimated
- Nine tenths of this trail is at or below a 39.9% grade, and its steepest climb reaches 95.5%. Source: DEM terrain profile, high confidence.
- Sustained climbestimated
- This trail gains 157 m of elevation per kilometre. Source: DEM terrain profile, moderate confidence.
Biking is not listed. That means no explicit permission is recorded, which is not the same as a prohibition — see the bike section below.
Ace's Active Trek A real workout with honest climbing — pack water and snacks.
About this trail
Mount Thielsen Trail is a 7.2 km trail in Oregon. Route imported from OpenStreetMap (© OpenStreetMap contributors, ODbL); community descriptions, photos, and condition reports welcome.
Play the route
Fly the trail end to end, with the climb as it comes.
Conditions
Loading forecast…
Elevation profile
Terrain sampled every 35 m from public elevation data.
- Descent
- 0 m
- High point
- 2772 m
- 90th percentile grade
- 39.9%
Bike access & suitability
Legal permission and physical difficulty are evaluated separately.
Legal access
prohibited
OpenStreetMap explicitly marks bicycle access as prohibited on at least one segment.
Estimated MTB suitability
Difficult
35% confidence - score 58/100
- - Terrain: 39.9% 90th-percentile grade and 157 m climbing per km.
Source: Explicit OpenStreetMap access tags - OpenStreetMap contributors - checked Aug 2, 2026 - rules v2
View access evidencePosted signs and current land-manager closures always override OpenTrail.
Report incorrect bike access
Connecting trails
Trails whose path meets this one — plan a longer route or a loop.
- PCT - Oregon Section D95.1 km · 59.1 mi · Umpqua National ForestHard · Ivy
- Pacific Crest Trail68.0 km · 42.3 mi · Mount Thielsen WildernessHard · Ivy
- Spruce Ridge Trail3.9 km · 2.4 mi · Umpqua National ForestModerate · Ace
- Mount Thielsen Trail2.4 km · 1.5 mi · Mount Thielsen WildernessModerate · Ace
- Mount Thielsen Trail1.1 km · 0.7 mi · Mount Thielsen WildernessVery hard · Ivy
Trails nearby
Other routes within about 15 km.
- 150 m away
Summit Rock Trail
Hard · IvyUmpqua National Forest, Oregon
13.66 km · 3h 25m · ↑ 236 m
- 450 m away
North Crater Trail
Hard · IvyUmpqua National Forest, Oregon
14.09 km · 3h 20m · ↑ 99 m
- 900 m away
Diamond Lake Loop
Easy · FernUmpqua National Forest, Oregon
2.79 km · 35m · ↑ 0 m
- 1.5 km away
Dellenback Bike Path
Hard · IvyUmpqua National Forest, Oregon
11.05 km · 2h 35m · ↑ 55 m
- 2.9 km away
Old 230
Easy · FernUmpqua National Forest, Oregon
1.31 km · 20m · ↑ 5 m
- 2.9 km away
Horse Lake Trail
Easy · FernUmpqua National Forest, Oregon
642 m · 10m · ↑ 0 m
- 3.2 km away
Silent Connection
Easy · FernUmpqua National Forest, Oregon
500 m · 5m · ↑ 0 m
- 3.5 km away
Silent Creek Trail
Easy · FernUmpqua National Forest, Oregon
2.04 km · 30m · ↑ 19 m
- 3.8 km away
Resort Drive
Easy · FernUmpqua National Forest, Oregon
970 m · 15m · ↑ 21 m
- 3.9 km away
Mount Bailey Trail
Moderate · AceUmpqua National Forest, Oregon
7.90 km · 3h 20m · ↑ 956 m
- 4.0 km away
Howlock Mountain Trail
Hard · IvyUmpqua National Forest, Oregon
11.22 km · 3h 30m · ↑ 591 m
- 5.2 km away
Thielsen Creek Trail
Moderate · AceMount Thielsen Wilderness, Oregon
3.48 km · 45m · ↑ 0 m
Photos
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Frequently asked
How long is Mount Thielsen Trail?
Mount Thielsen Trail is 7.2 km (4.4 miles) as a route. Allow roughly 3h 30m at a steady walking pace, not counting stops.
How hard is Mount Thielsen Trail?
OpenTrail rates it moderate. It climbs about 1121 m overall, and its steepest sustained stretches run around 40%.
Where is Mount Thielsen Trail?
Mount Thielsen Trail is in Mount Thielsen Wilderness, Oregon. The map on this page shows the full route, where it starts, and any mapped parking nearby.
Is there parking at Mount Thielsen Trail?
No parking area is mapped within 1.5 km of this route in OpenStreetMap. That is not the same as there being none — check local access rules before you go.
Can you bike Mount Thielsen Trail?
Bicycles are not permitted, according to OpenStreetMap contributors. Legal access and how rideable the surface actually is are tracked separately on this page.