Diabolical Trail
Easy · FernOregon
No photos yet
Add the first1.5 km1.0 mi
Distance
199 m653 ft
Elevation gain
40m
Est. time
Route
Route type
- Bikes allowed
- 8 parking areas
What to expect on this trail
- Steep
- Sustained climb
- Hiking
- Biking
How these were worked out
- Steepestimated
- Nine tenths of this trail is at or below a 23.8% grade, and its steepest climb reaches 51.5%. Source: DEM terrain profile, low confidence.
- Sustained climbestimated
- This trail gains 129 m of elevation per kilometre. Source: DEM terrain profile, low confidence.
Biking is listed because the access rules record an explicit permission — see the bike section below for its authority. It is never inferred from the terrain.
Fern's Friendly Walk A gentle wander — great for kids, dogs, and wildflower stops.
About this trail
Diabolical Trail is a 1.5 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
- 0 m
- High point
- 1020 m
- 90th percentile grade
- 23.8%
Bike access & suitability
Legal permission and physical difficulty are evaluated separately.
Legal access
allowed
Every imported segment carries an explicit bicycle permission.
Estimated MTB suitability
Difficult
35% confidence - score 56/100
- - Terrain: 23.8% 90th-percentile grade and 129 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.
Trails nearby
Other routes within about 15 km.
- less than 100 m away
Lower Secret Squirrel
Easy · FernOregon
1.05 km · 15m · ↑ 0 m
- 150 m away
Halls of Manzanita Trail
Moderate · AceJacksonville Forest Park, Oregon
3.21 km · 1h 5m · ↑ 225 m
- 150 m away
Cantrall Creek Trail
Easy · FernJacksonville Forest Park, Oregon
1.16 km · 25m · ↑ 102 m
- 200 m away
Steep Canyon Rangers Trail
Easy · FernJacksonville Forest Park, Oregon
676 m · 10m · ↑ 20 m
- 600 m away
Bear Ridge Trail
Easy · FernOregon
1.76 km · 30m · ↑ 54 m
- 650 m away
Naversen Family Trail
Easy · FernJacksonville Forest Park, Oregon
1.83 km · 35m · ↑ 104 m
- 700 m away
Grotto Trail
Easy · FernJacksonville Forest Park, Oregon
1.86 km · 30m · ↑ 62 m
- 700 m away
Knobcone Pine Trail
Easy · FernJacksonville Forest Park, Oregon
1.57 km · 25m · ↑ 37 m
- 800 m away
Canyon Vista Trail
Easy · FernJacksonville Forest Park, Oregon
2.14 km · 35m · ↑ 53 m
- 1000 m away
Siskiyou Trail
Easy · FernJacksonville Forest Park, Oregon
2.55 km · 50m · ↑ 160 m
- 1.1 km away
Jackson Creek Bike Trail
Easy · FernJacksonville Forest Park, Oregon
1.94 km · 45m · ↑ 180 m
- 1.1 km away
Ridgeview Trail
Easy · FernJacksonville Forest Park, Oregon
898 m · 15m · ↑ 51 m
Photos
Location metadata is stripped from uploads automatically. New photos are reviewed by a moderator before they appear publicly.
No photos yet.
Reviews
Create a free account to review this trail.
Frequently asked
How long is Diabolical Trail?
Diabolical Trail is 1.5 km (1.0 miles) as a route. Allow roughly 40m at a steady walking pace, not counting stops.
How hard is Diabolical Trail?
OpenTrail rates it easy. It climbs about 199 m overall, and its steepest sustained stretches run around 24%.
Where is Diabolical Trail?
Diabolical Trail is in Oregon. The map on this page shows the full route, where it starts, and any mapped parking nearby.
Is there parking at Diabolical Trail?
8 mapped parking areas sit within 1.5 km of the route, the nearest being P6. Parking comes from OpenStreetMap, so check the signage when you arrive.
Can you bike Diabolical Trail?
Bicycles are permitted, according to OpenStreetMap contributors. Legal access and how rideable the surface actually is are tracked separately on this page.