5.0 miles
Distance
17 ft
Climb
-1,800 ft
Descent
01:46:31
Avg time
Supporters, Builders, Maintainers & Land Managers of Crevice Trail

  • USFS
    Land Manager

Crevice Details

  • Activities
    • Mountain Bike
    • Hike
    • Trail Running
  • Riding Area
    Twelvemile
    Salmon, Idaho
  • Difficulty Rating
  • Trail Type
    Singletrack
  • Bike Type
    AM, Fat
  • Trail Usage
    Biking Primary
  • Direction
    Downhill Primary
    Popular direction shown
  • Climb Difficulty
    Black Diamond
  • Physical Rating
    Hard
  • Season
    June-October
  • Dogs Allowed
    Yes
  • eBike Allowed
  • Global Ranking
    #8577 in Mountain Biking
  • Local Popularity
    95 in Mountain Biking [+]
    • 5 in Trail Running
    • 5 in Hiking

This non-motorized trail is the original Twelvemile Forest Service trail. It is raw, wild and five miles of pure fun for the expert mtn biker.

There will be short hike a bike for some bikers. There are numerous stream crossings, 12 crossings from top to bottom. Some crossings with logs...6 crossings between Second Crevice Bailout Trail and the Access Rd. Expect to get your feet wet. Early in the season, the water is high and cold.

Lower down you will pass a cabin site from the Uncle Sam Mine, which was operational before 1927. June-October is best.

Access Info

Twelvemile Creek Road.

Traditionally Indigenous Territory
More Stats for Crevice mountain bike trail trail
  • Altitude change
    -1,782 ft
  • Altitude min
    4,990 ft
  • Altitude max
    6,773 ft
  • Altitude start
    6,773 ft
  • Altitude end
    4,990 ft
  • Grade
    -6.8%
  • Grade max
    -54.4%
  • Grade min
    9.1%
  • Distance climb
    1,096 ft
  • Distance down
    5 miles
  • Distance flat
    404 ft
  • Avg time
    01:46:31
  • view trail stats
Status:
on Jun 3, 2021
Ideal
Avg: 4.35 (3 votes)

view (27)
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Trail Conditions
  • Unknown
  • Snow Groomed
  • Snow Packed
  • Snow Covered
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Ideal
  • Dry
  • Very Dry
Trail Ridden Direction
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The colour categories are based on what percentage of riders are riding a trail in its intended direction.
  • > 96%
  • > 90%
  • > 80%
  • > 70%
  • > 50%
  • < 50%
Trail Last Ridden
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  • < 2 days
  • < 1 week
  • < 2 weeks
  • < 1 month
  • < 6 months
  • > 6 months
Trail Ridden Direction
The intended direction a trail should be ridden.
  • Downhill Only
  • Downhill Primary
  • Both Directions
  • Uphill Primary
  • Uphill Only
  • One Direction
Contribute Details
Colors indicate trail is missing specified detail.
  • Description
  • Photos
  • Description & Photos
  • Videos
Trail Popularity ?
Trailforks scans ridelogs to determine which trails are ridden the most in the last 9 months. Trails are compared with nearby trails in the same city region with a possible 25 colour shades. Think of this as a heatmap, more rides = more kinetic energy = warmer colors.
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ATV/ORV/OHV Filter
Max Vehicle Width
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Radar Time
      Directions to crevice-61494 trailhead (44.940770, -113.852240)
      update trails status or condition

      Crevice Trail Reports

      statusdatedescription
      Jun 3, 2021 @ 6:56pm
      Jun 3, 2021
      Clear of all deadfall top to bottom. A couple stream x-ings have been improved. There is a reroute and new stream x-ing between 2nd bailout and...
      May 12, 2021 @ 8:42am
      May 12, 2021
      12 larger trees down below Thoroughfare junction. Some tough to get over. Evenly distributed along length of trail. Still a lot of snow on the...
      Sep 26, 2020 @ 6:37pm
      Sep 26, 2020
      reporter Only 4 down trees on the whole length of the trail as of 9/25/2020. They are not too difficult to get over or around unless you are a hoofed animal.
      Jul 29, 2020 @ 9:27am
      Jul 29, 2020
      Read my comment. Fantastic down to Second Bailout, nightmare below.
      Jul 13, 2020 @ 10:19pm
      Jul 13, 2020
      Cows are now in the lower part of Crevice (Twelvemile Bottoms unit) below the metal gate.
      view all reports »

      Recent Ridelog Activity on Trail

      Past Week
      • 0 rides
      •  
      6 Months
      • 4 rides
      • 12 miles avg distance
      All
      • 23 rides
      •  

      Photos

      more »
      1 |
      Jun 9, 2021 @ 8:58am
      Jun 9, 2021
      1 |
      Jun 9, 2021 @ 8:54am
      Jun 9, 2021
      1 |
      Jun 9, 2021 @ 8:49am
      Jun 9, 2021
      1 |
      Jun 9, 2021 @ 8:46am
      Jun 9, 2021

      7 Reviews & Comments

      • + 0
      sidehiller1 TRAILFORKS (May 27, 2018 at 13:30)
       Crevice trail has been cleared from top to bottom. Creek is high and crossings are treacherous this early in the season due to high water. 5/27/3018.
      [Reply]
      • + 1
      lemhi-mtn-ryder (May 31, 2018 at 10:06)
       Well done on Crevice and Meadow Connector Wayne! Many thanks!
      [Reply]
      • + 0
      zlatham (Jul 22, 2018 at 15:06)
       If you want to run into cows and go on a cow trail, then this is your jam. Expect to get your feet Poopie.
      [Reply]
      • + 0
      sidehiller1 TRAILFORKS (Oct 30, 2018 at 19:12)
       Lower 2.8 miles cleared on 10-30-18. Couple big down logs yet but easy to step over.
      [Reply]
      • + 1
      chuktA TRAILFORKS (Nov 28, 2018 at 12:16)
       Did you build those bridges? Pretty nice. The taming of the Crevice!
      [Reply]
      • + 1
      aobbard (Jul 29, 2020 at 9:27)
       So here's the deal with this trail (as of July 2020): From the top, down to the "Second Crevice Bailout Trail", it is absolutely fantastic- one of my favorite pieces of trail anywhere. Between the "Second Crevice Bailout Trail" and the "Access Road" ~a mile down-canyon, it deteriorates into a complete bushwhack nightmare. The best way to enjoy this is park at the top of the Second Bailout, ride the road to the top, then descend the trail to the Second Bailout and... BAIL OUT.
      [Reply]
      • - 1
      cbennette (Oct 1, 2020 at 16:15)
       This is a terrible trail. It’s like someone had an idea for a good trail and went and rode it a few times. Then they figured other people riding it would make it a proper trail (it does not, nor could most other people follow the “trail” given the complete lack of any signs and substantial bushwhacking required).
      [Reply]

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