more stats
4,606 ft
Distance
938 ft
Climb
-109 ft
Descent
00:58:24
Avg time
832 ft
Altitude change
6,106 ft
Altitude min
6,937 ft
Altitude max
6,106 ft
Altitude start
6,939 ft
Altitude end
18.1%
Grade
-48.6%
Grade max
81.7%
Grade min
4,160 ft
Distance climb
446 ft
Distance down
00:58:24
Avg time

Royal Arch Details

  • Activities
    • Hike
    • Trail Running
  • Riding Area
    Boulder Open Space
    Boulder, Colorado
  • Difficulty Rating
    Black Diamond Rate
  • Local Popularity
    100 in Hiking [+]
    • 70 in Trail Running
  • Global Ranking
    #2072 in Hiking [+]
    • #25497 in Trail Running
  • State Ranking
    #60 in Hiking · Colorado [+]
    • #888 in Trail Running
  • Hiking SAC Scale
    T4 Alpine Hiking
  • Trail Type
    Singletrack
  • Physical Rating
    Hard
  • Trail Visibility
    Sometimes hard to follow
  • Dogs Allowed
    Yes
  • eBike Allowed
    No
  • Land Owner
    City of Boulder Open Space & Mountain Parks

No community description for Royal Arch trail has been added yet!

AI Generated Description

Royal Arch is a 4,606 ft black diamond difficulty singletrack trail located near Boulder Colorado. Riders describe it as faint trail. Highlights include views. This hike primary trail and has a hard overall physical rating. Trail visibility is sometimes hard to follow. On average it takes 58 minutes to complete this trail.

Tags
Faint trailViews

Traditionally Indigenous Territory

Recent Activity on Trail

Past Week
  • 4 rides
  • 6 miles average
6 Months
  • 47 rides
  • 4 miles avg distance
All
  • 194 rides
  •  
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update trails status or condition

Royal Arch Trail Reports

statusdatedescription
Dec 25, 2025 @ 11:38pm (America/Denver)
Dec 25, 2025
Nov 27, 2025 @ 10:52am (America/Denver)
Nov 27, 2025
Oct 3, 2025 @ 6:54am (America/Denver)
Oct 3, 2025
Feb 15, 2025 @ 7:55am
Feb 15, 2025
 Bring your traction!
Dec 21, 2024 @ 7:16am
Dec 21, 2024
 Very little ice on Royal Arch trail. No traction needed.
more »
Status:
on Dec 25, 2025
Very Dry
Avg: 5 (1 votes)
Your vote: 0

view (1,709)
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      Directions to royal-arch trailhead (39.991040, -105.287480)
      View on Discover Map

      Photos

      15 more »
      hike
      45 |
      Jun 18, 2024 @ 4:02pm
      Jun 18, 2024
      hike
      32 |
      Jun 18, 2024 @ 4:02pm
      Jun 18, 2024
      hike
      108 |
      Nov 4, 2023 @ 11:16am
      Nov 4, 2023
      hike
      95 |
      Nov 4, 2023 @ 11:16am
      Nov 4, 2023
      Rock formations 5Views 3

      Videos

      no videos have been added for Royal Arch yet, add a video.

      Technical Trail Features (TTF)

      Routes with this trail

      15
      Royal Arch
      3 miles • 1,559 ft • 4 • Out & Back •
      5.0 ★★★★★
      1 Ratings
      5 ★ 100%
      4 ★
      3 ★
      2 ★
      1 ★

      Reviews / Comments

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      Use trail reports to comment on trail conditions.


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      Nearby Trails

      Boulder Open Space

      • By toddTF Pro Trailforks & contributors
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      Frequently Asked Questions

      ▼ Where is Royal Arch located?
      Royal Arch 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 39.99104, -105.28748.
      ▼ How hard is Royal Arch?
      Royal Arch is rated as Black Diamond difficulty. The physical rating is Hard. The average grade is 18.1%.
      ▼ What is the elevation gain for Royal Arch?
      Royal Arch has 938 ft of elevation gain. The trail has 109 ft of elevation descent. The elevation ranges from 6,106 ft to 6,937 ft.
      ▼ How long is Royal Arch?
      Royal Arch is 4,606 ft long. The trail type is singletrack.
      ▼ Are dogs allowed on Royal Arch?
      Yes, dogs are allowed on Royal Arch. Please keep dogs on a leash where required and clean up after them.
      ▼ How do I access Royal Arch? Where is the closest parking trailhead?
      The closest parking and trailhead locations to Royal Arch are: View all parking locations in the area.
      ▼ How long does it take to hike Royal Arch?
      Based on recorded activities, it takes an average of 44 minutes to hike Royal Arch. The trail is 4,606 ft long. Actual times will vary based on fitness level, conditions, and pace. View recent activity logs for more details.
      ▼ How busy is Royal Arch?
      Royal Arch is a very popular trail. There have been 1,141 recorded activities on this trail. The trail has received 1,709 check-ins. View recent activity on this trail.

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