Duffy Lake Trail #3427
Hard · IvyMount Jefferson Wilderness, Oregon
No photos yet
Add the first9.4 km5.8 mi
Distance
237 m778 ft
Elevation gain
2h 30m
Est. time
Route
Route type
- No bicycles
- Parking nearby
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 "dirt". Source: OpenStreetMap, high confidence.
- Moderate climbsestimated
- Nine tenths of this trail is at or below a 12.7% 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
Duffy Lake Trail #3427 is a 9.4 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
- 154 m
- High point
- 1472 m
- 90th percentile grade
- 12.7%
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
Moderate
53% confidence - score 49/100
- - Terrain: 12.7% 90th-percentile grade and 25 m climbing per km.
- - Surface: dirt.
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.
- Blue Lake Trail #342212.4 km · 7.7 mi · Mount Jefferson WildernessHard · Ivy
- Forest Road 225711.2 km · 6.9 mi · Willamette National ForestHard · Ivy
- Santiam Lake Trail #34919.2 km · 5.7 mi · Mount Jefferson WildernessHard · Ivy
- Turpentine Trail #34909.1 km · 5.6 mi · Mount Jefferson WildernessHard · Ivy
- Lava Lakes Trail #34334.5 km · 2.8 mi · Mount Jefferson WildernessModerate · Ace
- Duffy Lake Trail3.8 km · 2.4 mi · Willamette National ForestModerate · Ace
- Big Meadows Tie Trail #34343.0 km · 1.8 mi · Mount Jefferson WildernessEasy · Fern
- Forest Road 22670.9 km · 0.6 mi · Willamette National ForestEasy · Fern
Trails nearby
Other routes within about 15 km.
- 450 m away
Big Meadows Loop Trail #3456
Moderate · AceWillamette National Forest, Oregon
4.88 km · 1h 15m · ↑ 108 m
- 1.6 km away
Cutoff
Moderate · AceWillamette National Forest, Oregon
3.59 km · 1h 0m · ↑ 130 m
- 1.7 km away
Mountain View Loop
Easy · FernWillamette National Forest, Oregon
1.56 km · 35m · ↑ 131 m
- 1.8 km away
Pika-Fir Trail #3489
Easy · FernWillamette National Forest, Oregon
1.44 km · 25m · ↑ 58 m
- 2.2 km away
Turpentine Loop Trail #3455
Easy · FernWillamette National Forest, Oregon
2.53 km · 40m · ↑ 40 m
- 2.7 km away
Flat Loop
Moderate · AceWillamette National Forest, Oregon
3.51 km · 55m · ↑ 58 m
- 2.8 km away
Maxwell Butte Trail #3391
Moderate · AceMount Jefferson Wilderness, Oregon
7.48 km · 2h 55m · ↑ 743 m
- 2.8 km away
Maxwell Butte Trail
Moderate · AceMount Jefferson Wilderness, Oregon
7.48 km · 2h 55m · ↑ 743 m
- 2.9 km away
Park Loop
Easy · FernWillamette National Forest, Oregon
1.15 km · 15m · ↑ 0 m
- 2.9 km away
Maxwell Loop
Moderate · AceWillamette National Forest, Oregon
5.08 km · 1h 10m · ↑ 18 m
- 5.0 km away
Dixie Lakes Trail #3494
Easy · FernMount Jefferson Wilderness, Oregon
2.51 km · 45m · ↑ 134 m
- 6.2 km away
Turpentine Lake Trail (unofficial)
Easy · FernMount Jefferson Wilderness, Oregon
1.54 km · 25m · ↑ 63 m
Photos
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Frequently asked
How long is Duffy Lake Trail #3427?
Duffy Lake Trail #3427 is 9.4 km (5.8 miles) as a route. Allow roughly 2h 30m at a steady walking pace, not counting stops.
How hard is Duffy Lake Trail #3427?
OpenTrail rates it hard. It climbs about 237 m overall, and its steepest sustained stretches run around 13%.
Where is Duffy Lake Trail #3427?
Duffy Lake Trail #3427 is in Mount Jefferson Wilderness, Oregon. The map on this page shows the full route, where it starts, and any mapped parking nearby.
Is there parking at Duffy Lake Trail #3427?
One mapped parking area sits within 1.5 km of the route, the nearest being Duffy Lake Trailhead. Parking comes from OpenStreetMap, so check the signage when you arrive.
Can you bike Duffy Lake Trail #3427?
Bicycles are not permitted, according to OpenStreetMap contributors. Legal access and how rideable the surface actually is are tracked separately on this page.