more stats
2.2 miles
Distance
376 ft
Climb
-371 ft
Descent
00:30:39
Avg time
4 ft
Altitude change
4,798 ft
Altitude min
5,176 ft
Altitude max
4,800 ft
Altitude start
4,803 ft
Altitude end
-29.3%
Grade max
21.7%
Grade min
1 mile
Distance climb
4,285 ft
Distance down
860 ft
Distance flat
00:30:39
Avg time

Duodenum Loop Details

  • Activities
    • Mountain Bike
    • Hike
    • Trail Running
  • Riding Area
    Wanoga
    Bend, Oregon
  • Difficulty Rating
  • Voted Difficulty
    Green (1 vote)
  • Local Popularity
    20 in Mountain Biking [+]
    • 5 in Trail Running
    • 5 in Hiking
  • Global Ranking
    #136883 in Mountain Biking [+]
    • #292678 in Trail Running
    • #118533 in Hiking
  • Hiking SAC Scale
    T1 Hiking
  • Trail Type
    Singletrack
  • Bike Type
    XC
  • Climb Difficulty
    Blue
  • Trail Visibility
    Sometimes hard to follow
  • Season
    May-Oct
  • Dogs Allowed
    Yes
  • eBike Allowed
  • TTFs on Trail
    Berm
  • Year Opened
    2017
  • OSM Way

Around 20 sharp berms after a 400 foot climb on a lollypop loop. Covered with pine needles

Trail Supporters

  • USFS
    Land Manager
Traditionally Indigenous Territory

Recent Activity on Trail

Past Week
  • 1 rides
  • 5 miles average
6 Months
  • 2 rides
  • 8 miles avg distance
All
  • 156 rides
  • Last: Jul 29, 2026
c1c2c3c4
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update trails status or condition

Duodenum Loop Trail Reports

statusdatedescription
Jul 30, 2026 @ 9:27pm (America/Los_Angeles)
10 hours
Closed per USFS as of 7/27/26. https://www.fs.usda.gov/r06/deschutes/alerts/west-bend-area-trail-closures
Jul 30, 2026 @ 2:10pm (America/Los_Angeles)
17 hours
Completely covered in pine cones and needles, with a few down trees, soft and hasn't been maintained in a long time.
Jun 25, 2026 @ 12:06pm (America/Los_Angeles)
Jun 25, 2026
Rode from upper Royal Flush to Tylers. No closed signs.
Jun 30, 2025 @ 4:06pm
Jun 30, 2025
reporter The entire length of Duodenum is closed. 7 days a week. https://www.fs.usda.gov/r06/deschutes/alerts/west-bend-area-trail-closures
Jun 24, 2025 @ 10:14am
Jun 24, 2025
About half of the stretch of this trail that connects Tyler's to Royal Flush is completely covered in logging debris and is unrideable.
more »
Status:
on Jul 30, 2026
Very Dry
Avg: 3.33 (10 votes)
Your vote: 0

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Trail Conditions
  • Unknown
  • Snow Groomed
  • Snow Packed
  • Snow Covered
  • Snow Cover Partial
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Ideal
  • Dry
  • Very Dry
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        Directions to duodenum-loop trailhead (43.933790, -121.492820)

        Photos

        4 more »
        0 |
        Jul 30, 2026 @ 2:10pm
        17 hours
        49 |
        Sep 26, 2024 @ 2:44pm
        Sep 26, 2024
        30 |
        Jul 9, 2024 @ 6:29pm
        Jul 9, 2024
        67 |
        Jun 11, 2023 @ 9:00pm
        Jun 11, 2023

        Videos

        no videos have been added for Duodenum Loop yet, add a video.

        Routes with this trail

        15 miles 1,293 ft 7 Loop
        Great little afternoon loop heading up , over Steve Larsen, quick bop down Duodenum to Royal Flush and...
        17 miles 2,196 ft 10 Loop
        Addition of to a Tylers Loop. While wont get everyone as excited as Tylers/Tiddlys,(It's DH Slalom is a...
        17 miles 2,196 ft 10 Loop
        Addition of to a Tylers Loop. While wont get everyone as excited as Tylers/Tiddlys,(It's DH Slalom is a...

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        3 Reviews & Comments


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        • By n-skinnerTF Pro & contributors
        • #89909 - 2,843 views

        Frequently Asked Questions About Duodenum Loop

        Where is Duodenum Loop located?
        Duodenum Loop is located in Wanoga, Bend, Oregon, United States. It is part of the Wanoga trail network. The trailhead is located at coordinates 43.93379, -121.49282.
        How hard is Duodenum Loop?
        Duodenum Loop is rated as Blue difficulty. The climb difficulty is rated Blue.
        What is the elevation gain for Duodenum Loop?
        Duodenum Loop has 376 ft of elevation gain. The trail has 371 ft of elevation descent. The elevation ranges from 4,798 ft to 5,176 ft.
        How long is Duodenum Loop?
        Duodenum Loop is 2.2 miles long. The trail type is singletrack.

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