Duodenum
Easy · FernDeschutes National Forest, Oregon
No photos yet
Add the first1.5 km0.9 mi
Distance
5 m16 ft
Elevation gain
20m
Est. time
Route
Route type
What to expect on this trail
- Gently graded
- Hiking
- Running
How these were worked out
- Gently gradedestimated
- Nine tenths of this trail is at or below a 7.6% grade, so the climbing is easy going throughout. 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
Duodenum 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
- 43 m
- High point
- 1500 m
- 90th percentile grade
- 7.6%
Bike access & suitability
Legal permission and physical difficulty are evaluated separately.
Legal access
Confirm before riding
Estimated MTB suitability
Easy
35% confidence - score 16/100
- - Terrain: 7.6% 90th-percentile grade and 3 m climbing per km.
Source: No access source recorded - checked Aug 2, 2026 - rules v2
Posted 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.
- Tyler's Traverse10.2 km · 6.3 mi · Deschutes National ForestHard · Ivy
- Forest Road 41335.4 km · 3.4 mi · Deschutes National ForestModerate · Ace
- Duodenum4.8 km · 3.0 mi · Deschutes National ForestModerate · Ace
- Lone Wolf2.2 km · 1.3 mi · Deschutes National ForestEasy · Fern
- Royal Flush2.0 km · 1.3 mi · Deschutes National ForestEasy · Fern
- NFD 4133-1002.0 km · 1.2 mi · Deschutes National ForestEasy · Fern
Trails nearby
Other routes within about 15 km.
- 650 m away
Larsen's
Moderate · AceDeschutes National Forest, Oregon
4.19 km · 1h 0m · ↑ 50 m
- 1000 m away
King's Ransom
Moderate · AceDeschutes National Forest, Oregon
3.28 km · 45m · ↑ 11 m
- 1.7 km away
Tyler's Uphill Route
Easy · FernDeschutes National Forest, Oregon
2.45 km · 45m · ↑ 100 m
- 1.8 km away
Afternoon Delight
Moderate · AceDeschutes National Forest, Oregon
6.58 km · 1h 40m · ↑ 135 m
- 2.7 km away
Tiddly Winks (Lower)
Moderate · AceDeschutes National Forest, Oregon
5.22 km · 1h 10m · ↑ 13 m
- 2.8 km away
Tiddly Winks (Lower) UHO
Easy · FernDeschutes National Forest, Oregon
670 m · 15m · ↑ 55 m
- 3.0 km away
Kiwa Butte MTB Trail
Easy · FernDeschutes National Forest, Oregon
2.20 km · 30m · ↑ 22 m
- 3.1 km away
Tiddlywinks uphill route
Easy · FernDeschutes National Forest, Oregon
993 m · 20m · ↑ 69 m
- 3.2 km away
Tiddly Winks (Upper)
Moderate · AceDeschutes National Forest, Oregon
3.58 km · 50m · ↑ 43 m
- 3.4 km away
Dinah-Moe Humm
Hard · IvyDeschutes National Forest, Oregon
9.80 km · 2h 20m · ↑ 90 m
- 3.5 km away
Lower Storm King
Moderate · AceDeschutes National Forest, Oregon
5.78 km · 1h 20m · ↑ 25 m
- 3.6 km away
NFD 4100-490
Easy · FernDeschutes National Forest, Oregon
2.27 km · 35m · ↑ 40 m
Photos
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Frequently asked
How long is Duodenum?
Duodenum is 1.5 km (0.9 miles) as a route. Allow roughly 20m at a steady walking pace, not counting stops.
How hard is Duodenum?
OpenTrail rates it easy. It climbs about 5 m overall, and its steepest sustained stretches run around 8%.
Where is Duodenum?
Duodenum is in Deschutes National Forest, Oregon. The map on this page shows the full route, where it starts, and any mapped parking nearby.
Is there parking at Duodenum?
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.