63 miles
7,495 ft
-7,492 ft
2 miles
High Point

**NOTE: This is the 2017 version and the route tends to change each year.**

In the usual fashion, the race this year, 2017, will be different and be a little like the Prescott Monster Cross…that is, it will be a loop around Flagstaff! We’ll use the Flagstaff Loop Trail augmented with some of the good singletrack on Mt. Elden and the southern flanks of the peaks. There are gas stations for those needing water or snacks at mile 21 (Conoco station right before the tunnel under highway 89…look left), mile 51 off route up hwy 180 about a ¼ mile, and at mile 57, on route 66 at the left turn onto Woody Mtn Rd.

If you are unable to navigate to a gpx file, you may very well want to stay home. There are several social trails and a few faint scratches in the dirt used for this route. Yes, you may want to wear some HAB friendly shoes for this.

Local Trail Association
Flagstaff Biking Organization (flagstaffbiking.org)
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Trails in Route


  • Race Course
  • Riding area
  • Difficulty rating
    Black Diamond
  • Route Type
  • Bike type
  • Direction
    One Direction
  • Physical rating
  • Ridelogs
More Stats for AES: Aspen Asphyxiation mountain bike route
  • Altitude min
    6,636 ft
  • Altitude start
    6,988 ft
  • Altitude end
    6,990 ft
  • Grade
  • Grade max
  • Grade min
  • Distance climb
    28 miles
  • Distance down
    30 miles
  • Distance flat
    5 miles
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Layers winter
Trail Style
  • ?
Trail Conditions
  • Unknown
  • Snow Packed
  • Snow Covered
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Dry
  • Very Dry
Trail transparency
Easter Island Trail - Flagstaff, AZ
Easter Island Trail - Flagstaff, AZ
3:00 | 70 | comments: 0 | favs:
Feb 14, 2018

Recent Trail Reports Along Route

Easter Island
Jul 14, 2018 @ 5:35pm
2 days
80% hero dirt, 20% muddy. The spots that are muddy are just a tad slippery.
Climb 3
Jul 14, 2018 @ 5:32pm
2 days
Hero dirt right now
Twisted Sister
Jul 14, 2018 @ 7:08am
2 days
Upper Brookbank
Jul 11, 2018 @ 6:20pm
Jul 11, 2018
there be a small tree down somewhere, but nothing too major on this trail I don't believe...
Flagstaff Loop
May 31, 2018 @ 10:59am
May 31, 2018
I don't think you can ride the AZT along Walnut Canyon south of Country Club due to Forest Closure in this area. reporter
more reports »
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