Delta / On The Sly
Easy · FernMcDonald Research Forest, Oregon
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Add the first1.1 km0.7 mi
Distance
70 m230 ft
Elevation gain
20m
Est. time
Route
Route type
- Dogs allowed
- No bicycles
What to expect on this trail
- Steep
- Rolling
- Hiking
How these were worked out
- Steepestimated
- Nine tenths of this trail is at or below a 22.8% grade, and its steepest climb reaches 28.6%. Source: DEM terrain profile, low confidence.
- Rollingestimated
- The grade varies by 14.8 percentage points along the route rather than climbing steadily. Source: DEM terrain profile, low 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.
Fern's Friendly Walk A gentle wander — great for kids, dogs, and wildflower stops.
About this trail
Delta / On The Sly is a 1.1 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
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Elevation profile
Terrain sampled every 35 m from public elevation data.
- Descent
- 41 m
- High point
- 268 m
- 90th percentile grade
- 22.8%
Bike access & suitability
Legal permission and physical difficulty are evaluated separately.
Legal access
prohibited
A general access restriction applies and no bicycle-specific permission overrides it.
Estimated MTB suitability
Moderate
35% confidence - score 50/100
- - Terrain: 22.8% 90th-percentile grade and 63 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.
- 250 m away
Gamma / Baker Creek Lower
Moderate · AceMcDonald Research Forest, Oregon
910 m · 15m · ↑ 23 m
- 350 m away
Alpha Trail
Easy · FernMcDonald Research Forest, Oregon
647 m · 20m · ↑ 93 m
- 400 m away
Bombs Away Plus
Easy · FernMcDonald Research Forest, Oregon
560 m · 10m · ↑ 22 m
- 450 m away
Buzz Cut / Lovely Rita
Easy · FernMcDonald Research Forest, Oregon
564 m · 15m · ↑ 70 m
- 500 m away
Ridge Trail
Easy · FernMcDonald Research Forest, Oregon
980 m · 15m · ↑ 24 m
- 550 m away
Bombs Away
Easy · FernMcDonald Research Forest, Oregon
1.17 km · 15m · ↑ 0 m
- 550 m away
Extra Credit
Easy · FernAlsea Falls Recreation Site, Oregon
1.04 km · 25m · ↑ 121 m
- 650 m away
Skid Mark / Bonehead
Easy · FernMcDonald Research Forest, Oregon
520 m · 5m · ↑ 0 m
- 850 m away
Shave & A Haircut
Easy · FernMcDonald Research Forest, Oregon
810 m · 10m · ↑ 0 m
- 950 m away
High Horse
Easy · FernMcDonald Research Forest, Oregon
1.36 km · 25m · ↑ 66 m
- 1.2 km away
Beautiful Trail / Hydra
Easy · FernMcDonald Research Forest, Oregon
1.40 km · 25m · ↑ 64 m
- 1.2 km away
Beautiful Trail
Easy · FernMcDonald Research Forest, Oregon
1.31 km · 25m · ↑ 58 m
Photos
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Frequently asked
How long is Delta / On The Sly?
Delta / On The Sly is 1.1 km (0.7 miles) as a route. Allow roughly 20m at a steady walking pace, not counting stops.
How hard is Delta / On The Sly?
OpenTrail rates it easy. It climbs about 70 m overall, and its steepest sustained stretches run around 23%.
Where is Delta / On The Sly?
Delta / On The Sly is in McDonald Research Forest, Oregon. The map on this page shows the full route, where it starts, and any mapped parking nearby.
Is there parking at Delta / On The Sly?
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.
Are dogs allowed on Delta / On The Sly?
Yes — Delta / On The Sly is mapped as dog friendly. Posted signs and seasonal restrictions always take precedence.
Can you bike Delta / On The Sly?
Bicycles are not permitted, according to OpenStreetMap contributors. Legal access and how rideable the surface actually is are tracked separately on this page.