more stats
423 ft
Distance
-62 ft
Descent
1 mile
High Point
-62 ft
Altitude change
6,116 ft
Altitude min
6,179 ft
Altitude start
6,115 ft
Altitude end
-14.8%
Grade
-29.5%
Grade max
-7.2%
Grade min
423 ft
Distance down

Less Ass Details

  • Activities
    • Mountain Bike
    • Hike
    • Trail Running
  • Riding Area
    Lefthand OHV
    Boulder, Colorado
  • Difficulty Rating
  • Local Popularity
    55 in Mountain Biking [+]
    • 5 in Trail Running
    • 5 in Hiking
  • Global Ranking
    #264558 in Mountain Biking [+]
    • #347745 in Trail Running
    • #357027 in Hiking
  • Trail Type
    Singletrack
  • Direction
    Both Directions[+]
    Popular Direction Shown
    • Both Directions for Trail Running
    • Both Directions for Hiking
  • Dogs Allowed
    Yes
  • eBike Allowed
  • Land Owner
    USFS - Boulder Ranger District

No community description for Less Ass trail has been added yet!

AI Generated Description

Less Ass is a 423 ft moderately popular black diamond difficulty singletrack trail located near Boulder Colorado. This mountain bike primary trail can be used both directions.

This trail is unsanctioned.

Traditionally Indigenous Territory

Recent Activity on Trail

Past Week
  • 0 rides
  •  
6 Months
  • 11 rides
  • 6 miles avg distance
All
  • 35 rides
  • Last: Jan 16, 2023
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Less Ass Trail Reports

Status:
on Feb 4, 2026
Dry
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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
Trail Flow (Ridden Direction)
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The colour categories are based on what percentage of users are riding a trail in its intended direction.
  • > 96%
  • > 90%
  • > 80%
  • > 70%
  • > 50%
  • < 50%
  • bi-directional trail
  • no data
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
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  • Description
  • Photos
  • Description & Photos
  • Videos
Trail Popularity ?
Trailforks scans activity logs 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 activities = more kinetic energy = warmer colors.
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BC Backroad Status

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Slope Aspect
Direction the slope faces
Flat N NE E SE S SW W NW
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        Directions to less-ass trailhead (40.107350, -105.324000)

        Photos

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        Routes with this trail

        22 miles 2,888 ft 16 Out & Back
        Welcome to the land of steep fire road climbs and rowdy, loose, sketchy singletrack descents. As the name...

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        • #859357 - 154 views

        Frequently Asked Questions About Less Ass

        Where is Less Ass located?
        Less Ass is located in Lefthand OHV, Boulder, Colorado, United States. It is part of the Lefthand OHV trail network. The trailhead is located at coordinates 40.10735, -105.324.
        How hard is Less Ass?
        Less Ass is rated as Black Diamond difficulty. The average grade is 14.8%.
        What is the elevation gain for Less Ass?
        The trail has 62 ft of elevation descent. The elevation ranges from 6,116 ft to 6,179 ft.
        Is Less Ass a point to point trail?
        Less Ass is not a point to point trail. The direction is Both Directions. The trail type is singletrack.
        How long is Less Ass?
        Less Ass is 423 ft long. The trail type is singletrack.
        Are dogs allowed on Less Ass?
        Yes, dogs are allowed on Less Ass. Please keep dogs on a leash where required and clean up after them.
        How do I access Less Ass? Where is the closest parking trailhead?
        The closest parking and trailhead locations to Less Ass are: View all parking locations in the area.
        How busy is Less Ass?
        Less Ass is a moderately popular trail. There have been 173 recorded activities on this trail. The trail has received 226 check-ins. View recent activity on this trail.

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