more stats
13.6 miles
Distance
2,292 ft
Climb
-2,972 ft
Descent
04:52:27
Avg time
-679 ft
Altitude change
6,056 ft
Altitude min
7,090 ft
Altitude max
6,785 ft
Altitude start
6,106 ft
Altitude end
-0.9%
Grade
-110.6%
Grade max
56.2%
Grade min
5 miles
Distance climb
8 miles
Distance down
2,890 ft
Distance flat
04:52:27
Avg time

Decoster Trail Details

  • Activities
    • Mountain Bike
    • Hike
    • Trail Running
  • Riding Area
    Northern Tetons
    Tetonia, Idaho
  • Ref Number
    #012
  • Difficulty Rating
    Black Diamond Rate
  • Local Popularity
    80 in Mountain Biking [+]
    • 5 in Trail Running
    • 5 in Hiking
  • Global Ranking
    #91123 in Mountain Biking [+]
    • #137254 in Trail Running
    • #131284 in Hiking
  • Trail Type
    Singletrack
  • Bike Type
    AM, XC
  • Direction
    Both Directions
    Popular Direction Shown
  • Climb Difficulty
    Black Diamond
  • Physical Rating
    Hard
  • Trail Visibility
    Sometimes hard to follow
  • Dogs Allowed
    Yes
  • Land Owner
    USFS

The best section of Trail to Ride is between Rammell Mtn. Rd. 267 and the North route road of Jackpine-Pinochle Loop Rd. 266. This ride also crosses the South Route of Jackpine-Pinochle Loop Rd. 266 which is where we begin many rides on 012 to the North end.

The section between Dry Ridge Rd. and Rammell Mtn. Rd. is in place BUT, has seen the least amount of trail work with downed timber and overgrowth. This section is not recommended to ride unless you like your bike on the shoulder 75% of the time.

Disclaimer

This is Bear Country; be prepared.

Trail Supporters

  • USFS
    Land Manager
Local Trail Association
Traditionally Indigenous Territory

Recent Activity on Trail

Past Week
  • 0 rides
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6 Months
  • 0 rides
  •  
All
  • 3 rides
  • Last: Aug 15, 2026
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Decoster Trail Trail Reports

statusdatedescription
Sep 21, 2025 @ 10:22am (America/Boise)
Sep 21, 2025
Time for an update on the Wyoming Pathways work with help from the Montana Conservation Corps and TMBA on the section between Dry Ridge Rd. and...
Jun 22, 2025 @ 9:52pm
Jun 22, 2025
 S. Badger Cr. is now low enough to cross.
Jun 8, 2025 @ 6:28am
Jun 8, 2025
National Trails Day crew from TMBA cleared the 4.5 of trail between Rammel Mtn Rd and Badger cr. The creek is still high and dangerous to cross...
Jun 3, 2025 @ 7:15am
Jun 3, 2025
Between S. Pinochle / Jackpine Rd. To Rammel Mtn Rd. is clear and great.
May 25, 2025 @ 9:41pm
May 25, 2025
Worked between Jackpine Loop Roads. 7.5 miles cleared of deadfall. A couple dozen good cuts and many more sticks moved. Tread is great
more »
Status:
on Sep 21, 2025
Avg: 3.89 (4 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 decoster-trail trailhead (43.843930, -111.046460)

        Photos

        36 more »
        mtb
        181 |
        Sep 20, 2021 @ 8:53pm
        Sep 20, 2021
        mtb
        212 |
        Sep 20, 2021 @ 8:53pm
        Sep 20, 2021
        mtb
        324 |
        Aug 6, 2019 @ 6:52am
        Aug 6, 2019
        mtb
        362 |
        Aug 6, 2019 @ 6:52am
        Aug 6, 2019

        Videos

        no videos have been added for Decoster Trail yet, add a video.

        Routes with this trail

        41
        Decoster
        14 miles • 2,771 ft • 1 • Point to Point •
        The full (#012) from South to North. This trail starts at Rd and ends at the North Jackpine-Pinochle Loop...

        1 Review & Comments


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        Nearby Trails

        Northern Tetons

        Frequently Asked Questions About Decoster Trail

        ▼ Where is Decoster Trail located?
        Decoster Trail is located in Northern Tetons, Tetonia, Idaho, United States. It is part of the Northern Tetons trail network. The trailhead is located at coordinates 43.84393, -111.04646.
        ▼ How hard is Decoster Trail?
        Decoster Trail is rated as Black Diamond difficulty. The physical rating is Hard. The average grade is 0.9%. The climb difficulty is rated Black Diamond.
        ▼ What is the elevation gain for Decoster Trail?
        Decoster Trail has 2,292 ft of elevation gain. The trail has 2,972 ft of elevation descent. The elevation ranges from 6,056 ft to 7,090 ft.
        ▼ Is Decoster Trail a point to point trail?
        Decoster Trail is not a point to point trail. The direction is Both Directions. The trail type is singletrack.
        ▼ How long is Decoster Trail?
        Decoster Trail is 13.6 miles long. The trail type is singletrack.
        ▼ Are dogs allowed on Decoster Trail?
        Yes, dogs are allowed on Decoster Trail. Please keep dogs on a leash where required and clean up after them.
        ▼ When is the best time of year to ride Decoster Trail?
        Based on activity log data, the most popular months to ride Decoster Trail are:
        • August (1 activities)
        Check the reports page for current trail conditions.
        ▼ How do I access Decoster Trail? Where is the closest parking trailhead?
        The closest parking and trailhead locations to Decoster Trail are: View all parking locations in the area.
        ▼ How long does it take to ride Decoster Trail?
        Based on recorded activities, it takes an average of 4 hours 52 minutes to ride Decoster Trail. The trail is 13.6 miles long. Actual times will vary based on fitness level, conditions, and pace. View recent activity logs for more details.
        ▼ How busy is Decoster Trail?
        Decoster Trail is a very popular trail. There have been 10 recorded activities on this trail. The trail has received 7 check-ins. View recent activity on this trail.

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