more stats
2.0 miles
Distance
-616 ft
Descent
00:17:12
Avg time
-618 ft
Altitude change
8,414 ft
Altitude min
9,031 ft
Altitude max
9,031 ft
Altitude start
8,415 ft
Altitude end
-6%
Grade
-39.5%
Grade max
0.5%
Grade min
489 ft
Distance climb
2 miles
Distance down
138 ft
Distance flat
00:17:12
Avg time

Boulder Details

  • Activities
    • Mountain Bike
    • Adaptive Bike
    • Hike
    • Trail Running
  • Riding Area
    Deer Valley Resort
    Park City, Utah
  • Difficulty Rating
    Blue Rate
  • Local Popularity
    20 in Mountain Biking [+]
    • 30 in Trail Running
    • 65 in Hiking
  • Global Ranking
    #125902 in Mountain Biking [+]
    • #126484 in Trail Running
    • #103147 in Hiking
  • Hiking SAC Scale
    T2 Mountain Hiking
  • Trail Exposure
    Normal
  • Trail Type
    Singletrack
  • Bike Type
    AM, XC, Adaptive MTB
  • Direction
    Both Directions
    Popular In Reverse
  • Climb Difficulty
    Blue
  • Physical Rating
    Moderate
  • eBike Allowed
    No
  • TTFs on Trail
    Berm
  • Land Owner
    Deer Valley Resort

This is a bi-directional, old-school trail. It is mostly used as a climb to moose-bones. Most of the turns have no-directional berms. There are shaded pine tree groves and lots of sharp rocks. The trail opens up just for a bit at the dirt road, then continues down to Midmountain.

Adaptive Bike Info
aMTB Blue Rating: Intermediate features and steeper terrain.

24-30” wide. On camber. No exposure. Tight switch-backs; expect multipoint turns. Sudden steep grunts with loose kitty litter. A good time? Maybe. But better than team big bear.

There is a single obstacle of note:
A large “ bomb hole” (I think a former mineshaft) is located after the 4th switchback going uphill. It is narrow, at roughly 30 inches wide and descend sharply about 6 feet before rising roughly 4 feet. It is very doable on a narrower Adaptive bike. Consider a spotter if you have a wider bike, but the feature has limited spotting potential and has some fairly significant consequence.

Warning - riding down you may struggle to get through “ the bomb hole” on (located after the second downhill switchback after boulder and TDSconvergence ) as it is quite steep to get out of going downhill. My recommendation is to off-road it through the light gradient downhill if you need to avoid the obstacle.

Bike Park

Local Trail Association
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Traditionally Indigenous Territory

Recent Activity on Trail

Past Week
  • 0 rides
  •  
6 Months
  • 12 rides
  • 24 miles avg distance
All
  • 249 rides
  • Last: Sep 2, 2026
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Boulder Trail Reports

statusdatedescription
Aug 27, 2026 @ 5:58pm (America/Boise)
Aug 27, 2026
Aug 26, 2026 @ 1:53pm (America/Denver)
Aug 26, 2026
 Recent rains have made Boulder beautiful. Reroute is excellent. Seems trail work was done.
Aug 6, 2026 @ 6:00pm (America/Boise)
Aug 6, 2026
Aug 2, 2026 @ 10:13pm (America/Denver)
Aug 2, 2026
 the start of Boulder is now a little further down mid mountain from the trailhead. the lines are up to date on the map. no down trees.
Jul 17, 2026 @ 11:05am (America/Denver)
Jul 17, 2026
 Terrible access to both Tour de Suds and Boulder at base trailheads. Reroutes at new Mid Mountain trailhead parking lot construction and no...
more »
Status:
on Aug 27, 2026
Ideal
Avg: 3.42 (10 votes)
Your vote: 0

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  • 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 boulder trailhead (40.610830, -111.502310)
        View on Discover Map

        Photos

        25 more »
        mtb
        209 |
        Jun 5, 2009 @ 4:46pm
        Jun 5, 2009
        mtb
        71 |
        Jul 20, 2023 @ 10:51am
        Jul 20, 2023
        mtb
        75 |
        Jul 20, 2023 @ 10:51am
        Jul 20, 2023
        mtb
        71 |
        Jul 20, 2023 @ 10:51am
        Jul 20, 2023

        Videos

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        Routes with this trail

        906
        50 Miles 4 Fifty Yrs!
        ★ 2.4 • 53 miles • 7,935 ft • 96 • Loop •
        You are turning 50, go ride 50 Miles. Route starts at the bottom of Trail (park somewhere nearby - WPT...
        695
        Park City Super Loop
        ★ 1.0 • 53 miles • 6,910 ft • 77 • Loop •
        Ride from PCMR parking lot, to Deer Valley, up to mid mountain, up to crest, down to PCMR (eat a meal),...
        486
        PCMR to Deer Valley and Back with Loops
        31 miles • 4,919 ft • 70 • Loop •
        This loop starts out on Armstrong and then uses Mid-Mountain as a way of accessing multiple higher...

        Trail Products

        2.9 ★★★★★
        10 Ratings
        5 ★
        4 ★ 30%
        3 ★ 40%
        2 ★ 20%
        1 ★ 10%

        1 Review & Comments


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        Frequently Asked Questions About Boulder

        ▼ Where is Boulder located?
        Boulder is located in Deer Valley Resort, Park City, Utah, United States. It is part of the Deer Valley Resort trail network. The trailhead is located at coordinates 40.61083, -111.50231.
        ▼ How hard is Boulder?
        Boulder is rated as Blue difficulty. The physical rating is Moderate. The average grade is 6%. The climb difficulty is rated Blue.
        ▼ What is the elevation gain for Boulder?
        The trail has 616 ft of elevation descent. The elevation ranges from 8,414 ft to 9,031 ft.
        ▼ Is Boulder a point to point trail?
        Boulder is not a point to point trail. The direction is Both Directions. The trail type is singletrack.
        ▼ How long is Boulder?
        Boulder is 2.0 miles long. The trail type is singletrack.
        ▼ Are dogs allowed on Boulder?
        There is no information about dogs being allowed on Boulder. Check with local trail managers or the trail page for the latest access rules.
        ▼ When is the best time of year to ride Boulder?
        Based on activity log data, the most popular months to ride Boulder are:
        • July (69 activities)
        • August (42 activities)
        • June (25 activities)
        Check the reports page for current trail conditions.
        ▼ How do I access Boulder? Where is the closest parking trailhead?
        The closest parking and trailhead locations to Boulder are: View all parking locations in the area.
        ▼ How long does it take to ride Boulder?
        Based on recorded activities, it takes an average of 15 minutes to ride Boulder. The trail is 2.0 miles long. Actual times will vary based on fitness level, conditions, and pace. View recent activity logs for more details.
        ▼ How busy is Boulder?
        Boulder is a less popular trail with lighter traffic. There have been 1,192 recorded activities on this trail. The trail has received 1,182 check-ins. View recent activity on this trail.

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