more stats
1.6 miles
Distance
220 ft
Climb
-329 ft
Descent
00:31:39
Avg time
-109 ft
Altitude change
4,482 ft
Altitude min
4,639 ft
Altitude max
4,615 ft
Altitude start
4,505 ft
Altitude end
-1.3%
Grade
-58.4%
Grade max
18%
Grade min
3,576 ft
Distance climb
3,934 ft
Distance down
1,122 ft
Distance flat
00:31:39
Avg time

Rockstacker Details

  • Activities
    • Mountain Bike
    • E-Bike
    • Hike
    • Trail Running
  • Riding Area
    Amasa Back
    Moab, Utah
  • Difficulty Rating
  • Voted Difficulty
    Double Black Diamond (5 votes)
  • Local Popularity
    80 in Mountain Biking [+]
    • 100 in Trail Running
    • 5 in Hiking
  • Global Ranking
    #31891 in Mountain Biking [+]
    • #403 in Trail Running
    • #81450 in Hiking
  • Hiking SAC Scale
    T3 Demanding Mountain Hiking
  • Trail Exposure
    Life Threatening
  • Trail Type
    Singletrack
  • Bike Type
    AM, XC
  • Direction
    Downhill Primary
    Popular Direction Shown
  • Climb Difficulty
    Double Black Diamond
  • Physical Rating
    Extreme
  • Trail Visibility
    Always easy to follow
  • Dogs Allowed
    Yes
  • eBike Allowed
    Yes up to Class 1
  • TTFs on Trail
    Drop, Rock Face, Rock Garden, Roller Coaster, Skinny
  • Lighting
    No
  • Land Owner
    BLM

Rockstacker is probably the most technically difficult trail in the whole Moab area. It has tight switch backs with large rock drops right at the apex. It has very steep sections with drops in the middle that can't be avoided. This is a tedious and technically demanding trail.

Trail Supporters
  • BLM
    BLM
    Land Manager
Local Trail Association
Traditionally Indigenous Territory

Recent Activity on Trail

Past Week
  • 0 rides
  •  
6 Months
  • 30 rides
  • 25.1 km avg distance
All
  • 288 rides
  • Last: Nov 11, 2022
c1c2c3c4
January
February
March
April
May
June
July
August
September
October
November
December
Status:
on May 18, 2026
Ideal
Avg: 4.15 (41 votes)
Your vote: 0

view (2,351)
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3D
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)
Trailforks scans users activity logs to determine the most popular direction each trail is ridden. A good flowing trail network will have most trails flowing in a single direction according to their intension.
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
Trailforks scans activity logs to determine the last time a trail was ridden.
  • < 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 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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  • popular
  • less popular
  • not popular
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Trails are colored based on popularity. The more popular a trail is, the more red. Less popular trails trend towards green.
Jump Magnitude Heatmap
Heatmap of where users jump on trails. Zoom in to see individual jumps, click circles to view jump details.
BC Backroad Status

Service Road Atlas is a free to use, community-driven service for viewing and creating reports on the numerous back-country service roads around B.C. and Alberta.

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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 rockstacker trailhead (38.542230, -109.640860)

        Photos

        33 more »
        mtb
        992 |
        Jun 15, 2016 @ 10:37am
        Jun 15, 2016
        mtb
        960 |
        Oct 1, 2015 @ 6:48am
        Oct 1, 2015
        mtb
        87 |
        Oct 23, 2025 @ 10:12am
        Oct 23, 2025
        mtb
        94 |
        Oct 23, 2025 @ 10:12am
        Oct 23, 2025

        Videos

        7 more »
        youtuber Limit Breaking Mountain Biking // Rockstacker...
        mtb
        16:38 | 1262 | Dec 24, 2018 , Moab
        youtuber Rockstacker and Jackson's
        mtb
        16:02 | 29 | May 22, 2026 , Moab
        ALL Amasa Back! Rockstacker + Jacksons +...
        mtb
        27:16 | 220 | May 19, 2023 , Moab
        Rock Stacker MTB Trail Moab Utah
        mtb
        5:03 | 263 | Jan 28, 2023 , Moab

        Trail Lists

        Routes with this trail

        4.0 15 miles 2,052 ft 17 Loop
        Hymasa to to Ahab
        17 miles 2,780 ft 10
        Trying to link up Ahab and Jacksons. How hard could it be?
        11 miles 1,458 ft 4
        MR3 FP Day 1
        4.2
        41 Ratings
        5 46%
        4 32%
        3 17%
        2 2%
        1 2%

        12 Reviews & Comments


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        • By toddTF Pro Trailforks & contributors
        • #8896 - 10,768 views

        Frequently Asked Questions About Rockstacker

        Where is Rockstacker located?
        Rockstacker is located in Amasa Back, Moab, Utah, United States. It is part of the Amasa Back trail network. The trailhead is located at coordinates 38.54223, -109.64086.
        How hard is Rockstacker?
        Rockstacker is rated as Double Black Diamond difficulty. The physical rating is Extreme. The average grade is 1.3%. The climb difficulty is rated Double Black Diamond.
        What is the elevation gain for Rockstacker?
        Rockstacker has 220 ft of elevation gain. The trail has 329 ft of elevation descent. The elevation ranges from 4,482 ft to 4,639 ft.
        Is Rockstacker a point to point trail?
        Rockstacker is not a point to point trail. The direction is Downhill Primary. The trail type is singletrack.
        How long is Rockstacker?
        Rockstacker is 1.6 miles long. The trail type is singletrack.
        Are dogs allowed on Rockstacker?
        Yes, dogs are allowed on Rockstacker. Please keep dogs on a leash where required and clean up after them.
        When is the best time of year to ride Rockstacker?
        Based on activity log data, the most popular months to ride Rockstacker are:
        • October (37 activities)
        • April (31 activities)
        • May (24 activities)
        Check the reports page for current trail conditions.
        How do I access Rockstacker? Where is the closest parking trailhead?
        The closest parking and trailhead locations to Rockstacker are: View all parking locations in the area.
        How long does it take to ride Rockstacker?
        Based on recorded activities, it takes an average of 31 minutes to ride Rockstacker. The trail is 1.6 miles long. Actual times will vary based on fitness level, conditions, and pace. View recent activity logs for more details.
        How busy is Rockstacker?
        Rockstacker is a very popular trail. There have been 2,460 recorded activities on this trail. The trail has received 2,351 check-ins. View recent activity on this trail.

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