Allen Throop Loop
Easy · FernFitton Green Natural Area, Oregon
No photos yet
Add the first1.4 km0.9 mi
Distance
32 m105 ft
Elevation gain
20m
Est. time
Loop
Route type
- No bicycles
What to expect on this trail
- Gravel
- Moderate climbs
- Hiking
- Running
How these were worked out
- Gravelrecorded
- OpenStreetMap records the surface of this trail as "gravel". Source: OpenStreetMap, high confidence.
- Moderate climbsestimated
- Nine tenths of this trail is at or below a 12.0% grade, which is steady work rather than scrambling. 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
Allen Throop Loop is a 1.4 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
- 53 m
- High point
- 327 m
- 90th percentile grade
- 12.0%
Bike access & suitability
Legal permission and physical difficulty are evaluated separately.
Legal access
prohibited
OpenStreetMap marks bicycle access as prohibited on part of this route, while other sections are marked open. A closure anywhere on a route closes the whole route here, so treat it as closed until the restricted section is identified.
Sections of this route are mapped as open to bicycles and at least one is not. Identify the closed section before planning to ride any of it.
Estimated MTB suitability
Moderate
53% confidence - score 40/100
- - Terrain: 12.0% 90th-percentile grade and 23 m climbing per km.
- - Surface: gravel.
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.
- Fitton Green Natural Area Walking Path11.8 km · 7.4 mi · Fitton Green Natural AreaHard · Ivy
- Bald Hill Farm Walking Path11.7 km · 7.3 mi · Bald Hill FarmHard · Ivy
- Mulkey Ridge2.3 km · 1.4 mi · Bald Hill FarmEasy · Fern
- Fitton Green North-South Trail1.6 km · 1.0 mi · Fitton Green Natural AreaEasy · Fern
Trails nearby
Other routes within about 15 km.
- 250 m away
Cougar Ride
Easy · FernFitton Green Natural Area, Oregon
596 m · 15m · ↑ 80 m
- 450 m away
Amy's Lost
Easy · FernCrestmont Land Trust, Oregon
598 m · 10m · ↑ 31 m
- 450 m away
Crestmont Land Trust Walking Path
Hard · IvyCrestmont Land Trust, Oregon
10.83 km · 2h 50m · ↑ 248 m
- 650 m away
Ol' Bessy
Easy · FernCrestmont Land Trust, Oregon
1.17 km · 20m · ↑ 46 m
- 950 m away
Cardwell Hill Trail
Moderate · AceFitton Green Natural Area, Oregon
4.38 km · 1h 5m · ↑ 91 m
- 950 m away
Gnome Party
Easy · FernCrestmont Land Trust, Oregon
824 m · 15m · ↑ 32 m
- 1.4 km away
Lollipop Loop
Easy · FernBald Hill Farm, Oregon
1.62 km · 35m · ↑ 111 m
- 2.1 km away
Bald Hill Natural Area Walking Path
Hard · IvyBald Hill Natural Area, Oregon
10.37 km · 2h 55m · ↑ 374 m
- 2.1 km away
Mulkey Creek
Easy · FernBald Hill Farm, Oregon
1.82 km · 30m · ↑ 60 m
- 2.8 km away
Into the Jungle
Easy · FernBald Hill Natural Area, Oregon
598 m · 15m · ↑ 71 m
- 2.8 km away
Oak Savanna
Easy · FernBald Hill Farm, Oregon
805 m · 15m · ↑ 35 m
- 2.8 km away
Mardi's Meadow
Easy · FernBald Hill Natural Area, Oregon
557 m · 10m · ↑ 5 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 Allen Throop Loop?
Allen Throop Loop is 1.4 km (0.9 miles) as a loop. Allow roughly 20m at a steady walking pace, not counting stops.
How hard is Allen Throop Loop?
OpenTrail rates it easy. It climbs about 32 m overall, and its steepest sustained stretches run around 12%.
Where is Allen Throop Loop?
Allen Throop Loop is in Fitton Green Natural Area, Oregon. The map on this page shows the full route, where it starts, and any mapped parking nearby.
Is there parking at Allen Throop Loop?
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 Allen Throop Loop?
Bicycles are not permitted, according to OpenStreetMap contributors. Legal access and how rideable the surface actually is are tracked separately on this page.