more stats
2.7 miles
Distance
143 ft
Climb
-10 ft
Descent
00:15:16
Avg time
130 ft
Altitude change
7,409 ft
Altitude min
7,553 ft
Altitude max
7,409 ft
Altitude start
7,539 ft
Altitude end
0.9%
Grade
-0.5%
Grade max
4.1%
Grade min
2 miles
Distance climb
3,950 ft
Distance down
00:15:16
Avg time

FR 515 Details

  • Activities
    • Mountain Bike
    • E-Bike
    • Gravel Bike
    • Adaptive Bike
    • Horse
    • Hike
    • Trail Running
    • Dirtbike/Moto
    • Observed Trials
    • ATV/ORV/OHV
  • Riding Area
    Observatory Mesa
    Flagstaff, Arizona
  • Difficulty Rating
    Access Trail or Doubletrack Rate
  • Local Popularity
    75 in Mountain Biking [+]
    • 45 in E-Biking
    • 55 in Trail Running
    • 65 in Hiking
    • 5 in Dirtbiking
    • 5 in ATVing/Offroading
    • 5 in Horseback
    • 5 in Observed Trials
    • 5 in Adaptive Biking
    • 100 in Gravel Biking
  • Hiking SAC Scale
    T1 Hiking
  • Trail Type
    Dirt/Gravel Road
  • Bike Type
    XC, CX, Gravel
  • Direction
    Both Directions
  • Dogs Allowed
    Yes
  • eBike Allowed
    Yes up to Class 3

Connects A-1 Mountain Road to the Mars Hill and Tunnel Springs FUTS Trails.

Tags
Local Trail Association

Recent Activity on Trail

Past Week
  • 1 rides
  • 41 miles average
6 Months
  • 14 rides
  • 25 miles avg distance
All
  • 14 rides
  • Last: Oct 6, 2026
update trails status or condition

FR 515 Trail Reports

statusdatedescription
Aug 14, 2026 @ 10:00am (America/Phoenix)
Aug 14, 2026
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Status:
on Aug 14, 2026
Ideal
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Your vote: 0

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      Directions to fr-515 trailhead (35.209970, -111.683900)
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      Nearby Trails

      Observatory Mesa

      • By ponderosatreyTF Pro & contributors
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      Frequently Asked Questions

      ▼ Where is FR 515 located?
      FR 515 is located in Observatory Mesa, Flagstaff, Arizona, United States. It is part of the Observatory Mesa trail network. The trailhead is located at coordinates 35.20997, -111.6839.
      ▼ What is the elevation gain for FR 515?
      FR 515 has 143 ft of elevation gain. The trail has 10 ft of elevation descent. The elevation ranges from 7,409 ft to 7,553 ft.
      ▼ Is FR 515 a point to point trail?
      FR 515 is not a point to point trail. The direction is Both Directions. The trail type is dirt/gravel road.
      ▼ How long is FR 515?
      FR 515 is 2.7 miles long. The trail type is dirt/gravel road.
      ▼ Are dogs allowed on FR 515?
      Yes, dogs are allowed on FR 515. Please keep dogs on a leash where required and clean up after them.
      ▼ How do I access FR 515? Where is the closest parking trailhead?
      The closest parking and trailhead locations to FR 515 are: View all parking locations in the area.
      ▼ How long does it take to ride FR 515?
      Based on recorded activities, it takes an average of 15 minutes to ride FR 515. The trail is 2.7 miles long. Actual times will vary based on fitness level, conditions, and pace. View recent activity logs for more details.
      ▼ How busy is FR 515?
      FR 515 is a very popular trail. There have been 128 recorded activities on this trail. The trail has received 140 check-ins. View recent activity on this trail.

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