more stats
3,531 ft
Distance
724 ft
Climb
-19 ft
Descent
1 mile
High Point
705 ft
Altitude change
6,192 ft
Altitude min
6,192 ft
Altitude start
6,897 ft
Altitude end
19.975%
Grade
-17.901%
Grade max
78.936%
Grade min
3,080 ft
Distance climb
214 ft
Distance down
238 ft
Distance flat

Mallory Cave Details

  • Activities
    • Hike
    • Trail Running
  • Riding Area
    Boulder Open Space
    Boulder, Colorado
  • Difficulty Rating
    Black Diamond Rate
  • Local Popularity
    85 in Hiking [+]
    • 60 in Trail Running
  • Global Ranking
    #22191 in Hiking [+]
    • #31506 in Trail Running
  • State Ranking
    #736 in Hiking · Colorado [+]
    • #1,143 in Trail Running
  • Hiking SAC Scale
    T4 Alpine Hiking
  • Trail Type
    Singletrack
  • Direction
    Both Directions
  • Physical Rating
    Hard
  • Trail Visibility
    Sometimes hard to follow
  • Dogs Allowed
    Yes
  • eBike Allowed
    No
  • Land Owner
    City of Boulder Open Space & Mountain Parks

Starts easy then gets rocky, until it begins to be a real climb up the rock faces.

Tags
CaveFaint trail

Traditionally Indigenous Territory

Recent Activity on Trail

Past Week
  • 0 rides
  •  
6 Months
  • 11 rides
  • 4 miles avg distance
All
  • 46 rides
  •  
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Mallory Cave Trail Reports

statusdatedescription
May 11, 2023 @ 12:12am
May 11, 2023
Aug 16, 2022 @ 9:08am
Aug 16, 2022
May 30, 2022 @ 2:03pm
May 30, 2022
 Fenced closure at base of scramble, well below cave entrance
Jan 24, 2021 @ 2:07pm
Jan 24, 2021
 The majority of the Mallory Cave trail was in great condition. However the last 20 feet involves some technical 4th class climbing up a rock...
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Status:
on May 11, 2023
Wet
no votes yet
Your vote: 0

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      Directions to mallory-cave trailhead (39.977980, -105.284220)
      View on Discover Map

      Photos

      3 more »
      hike
      123 |
      Jul 13, 2019 @ 8:22am
      Jul 13, 2019
      hike
      117 |
      Jul 13, 2019 @ 8:21am
      Jul 13, 2019
      hike
      147 |
      Jul 13, 2019 @ 8:21am
      Jul 13, 2019
      Cave 3Views 1

      Videos

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      Technical Trail Features (TTF)

      Routes with this trail

      3
      Mallory Cave
      3 miles • 902 ft • 6 • Out & Back •

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      Nearby Trails

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      Frequently Asked Questions

      ▼ Where is Mallory Cave located?
      Mallory Cave is located in Boulder Open Space, Boulder, Colorado, United States. It is part of the Boulder Open Space trail network. The trailhead is located at coordinates 39.97798, -105.28422.
      ▼ How hard is Mallory Cave?
      Mallory Cave is rated as Black Diamond difficulty. The physical rating is Hard. The average grade is 19.975%.
      ▼ What is the elevation gain for Mallory Cave?
      Mallory Cave has 724 ft of elevation gain. The trail has 19 ft of elevation descent. The elevation ranges from 6,192 ft to 6,897 ft.
      ▼ Is Mallory Cave a point to point trail?
      Mallory Cave is not a point to point trail. The direction is Both Directions. The trail type is singletrack.
      ▼ How long is Mallory Cave?
      Mallory Cave is 3,531 ft long. The trail type is singletrack.
      ▼ Are dogs allowed on Mallory Cave?
      Yes, dogs are allowed on Mallory Cave. Please keep dogs on a leash where required and clean up after them.
      ▼ When is the best time of year to hike Mallory Cave?
      Based on activity log data, the most popular months to hike Mallory Cave are:
      • March (5 activities)
      • May (5 activities)
      • July (5 activities)
      Check the reports page for current trail conditions.
      ▼ How do I access Mallory Cave? Where is the closest parking trailhead?
      The closest parking and trailhead locations to Mallory Cave are: View all parking locations in the area.
      ▼ How long does it take to hike Mallory Cave?
      Based on recorded activities, it takes an average of 1 hour 8 minutes to hike Mallory Cave. The trail is 3,531 ft long. Actual times will vary based on fitness level, conditions, and pace. View recent activity logs for more details.
      ▼ How busy is Mallory Cave?
      Mallory Cave is a very popular trail. There have been 414 recorded activities on this trail. The trail has received 436 check-ins. View recent activity on this trail.

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