Obsidian Trail #3528
Hard · IvyThree Sisters Wilderness, Oregon
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Add the first8.5 km5.3 mi
Distance
545 m1788 ft
Elevation gain
2h 50m
Est. time
Route
Route type
- No bicycles
- 2 parking areas
What to expect on this trail
- Natural surface
- Moderate climbs
- Hiking
- Running
How these were worked out
- Natural surfacerecorded
- OpenStreetMap records the surface of this trail as "ground". Source: OpenStreetMap, high confidence.
- Moderate climbsestimated
- Nine tenths of this trail is at or below a 14.3% grade, which is steady work rather than scrambling. Source: DEM terrain profile, high 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.
Ivy's Peak Challenge Steep, long, or rough. Experienced hikers will love it.
About this trail
Obsidian Trail #3528 is a 8.5 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
- 36 m
- High point
- 1972 m
- 90th percentile grade
- 14.3%
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
53% confidence - score 53/100
- - Terrain: 14.3% 90th-percentile grade and 64 m climbing per km.
- - Surface: ground.
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 E118.7 km · 73.7 mi · Three Sisters WildernessHard · Ivy
- Three Sisters Loop Trail70.2 km · 43.6 mi · Three Sisters WildernessHard · Ivy
- Pacific Crest Trail23.2 km · 14.4 mi · Three Sisters WildernessHard · Ivy
- Glacier Way #43361.2 km · 0.7 mi · Three Sisters WildernessEasy · Fern
- Scott-Obsidian Tie Trail0.9 km · 0.6 mi · Willamette National ForestEasy · Fern
Trails nearby
Other routes within about 15 km.
- 700 m away
Scott Trail #3531
Hard · IvyThree Sisters Wilderness, Oregon
8.47 km · 2h 40m · ↑ 469 m
- 2.0 km away
Hand Lake Trail #3513
Hard · IvyMount Washington Wilderness, Oregon
11.22 km · 3h 5m · ↑ 330 m
- 2.1 km away
Benson Lake Trail #3502
Hard · IvyMount Washington Wilderness, Oregon
9.10 km · 2h 20m · ↑ 200 m
- 2.1 km away
Hand Lake Cutoff #4344
Easy · FernMount Washington Wilderness, Oregon
927 m · 10m · ↑ 0 m
- 4.3 km away
Linton Lake Trail #3519
Easy · FernThree Sisters Wilderness, Oregon
2.87 km · 45m · ↑ 63 m
- 4.7 km away
Scotty Way Trail #4345
Easy · FernMount Washington Wilderness, Oregon
2.73 km · 35m · ↑ 0 m
- 4.7 km away
Scott Mountain Trail #4339
Easy · FernMount Washington Wilderness, Oregon
2.09 km · 45m · ↑ 184 m
- 5.6 km away
Huckleberry Lake Trail
Easy · FernWillamette National Forest, Oregon
1.28 km · 20m · ↑ 41 m
- 5.8 km away
Deer Butte Trail #3508
Hard · IvyWillamette National Forest, Oregon
13.69 km · 3h 40m · ↑ 377 m
- 6.1 km away
Proxy Falls Trail #3532
Easy · FernThree Sisters Wilderness, Oregon
1.86 km · 30m · ↑ 30 m
- 7.6 km away
Linton Meadows Trail #3547
Moderate · AceThree Sisters Wilderness, Oregon
4.70 km · 1h 20m · ↑ 193 m
- 7.6 km away
Eilieen Lake Trail #4348
Moderate · AceThree Sisters Wilderness, Oregon
3.88 km · 55m · ↑ 44 m
Photos
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Frequently asked
How long is Obsidian Trail #3528?
Obsidian Trail #3528 is 8.5 km (5.3 miles) as a route. Allow roughly 2h 50m at a steady walking pace, not counting stops.
How hard is Obsidian Trail #3528?
OpenTrail rates it hard. It climbs about 545 m overall, and its steepest sustained stretches run around 14%.
Where is Obsidian Trail #3528?
Obsidian Trail #3528 is in Three Sisters Wilderness, Oregon. The map on this page shows the full route, where it starts, and any mapped parking nearby.
Is there parking at Obsidian Trail #3528?
2 mapped parking areas sit within 1.5 km of the route, the nearest being Obsidian Trailhead. Parking comes from OpenStreetMap, so check the signage when you arrive.
Can you bike Obsidian Trail #3528?
Bicycles are not permitted, according to OpenStreetMap contributors. Legal access and how rideable the surface actually is are tracked separately on this page.