Blue Sky

3.97 out of 5
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↑ 800 ft
↓ 800 ft
elevation (ft)

Out & Back
Trail Description
About this trail
Great trail interconnecting Horsetooth Mountain Park, Coyote Ridge, and Devil's Backbone trail systems. Multiuse. Not too technical foothills terrain along hogbacks. Can be sandy in spots. Well signed. Watch for rattlesnakes. Larimer County website: .
added by dauwSingletrack
Trail Features
Trail features
  • Lift Service
  • Drinking Water
  •   Night Riding
  • Pump Track
  • Restrooms
  • Winter Fat Biking
Directions to Trailhead
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Trail Q&A
Rider Questions


Q: is this trail good for beginners? -Victor Palma

A: Yes, you will encounter a fair amount of roots, just fyi.

Miguel Basora answered on August 27, 2015. Did you find this helpful? Yes | No

Answer | See all 2 answers

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System Trails (2)
System Trails (2)
Indian Summer
Local Info & Nearby Trails
Trail Check-ins
Trail Check-ins
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Recent Trail Check-ins     (459 total check-ins)
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Photo & Video Gallery (68)
Trail Photos & Videos (68)
Reviews (29)

Granny Gear

September 11, 2018
Review: Great trail, especially for beginners. This was my first official mountain bike trail that I've ridden and it gave me a fantastic first impression of trail riding!


July 28, 2018
jjaz Gramcounter  
Review: Not a bad trail. Plenty of blind corners and a couple good hills for cardio

Granny Gear

October 15, 2016
Review: Super sweet flowy smooth dirt. I got out early and only saw a few bikers, 2 hikers and no horses. You can do the 15 mile out and back or take a right onto the Indian Summer loop for a challenging climb and awesome descent. Overall the trail is easy, I rated it intermediate because of some climbing, but no hike-a-bike. I ride in Boulder so it was a real pleasure to ride smooth dirt with only a few rocks. There are a variety of other trails that link from this area as well. I was thinking while riding that it's almost a mini version of Buffalo Creek. Yes, it's that good.

Granny Gear

September 10, 2016
Review: Its rolling hills and a couple technical features if you're a beginner. A great ride but has no shade so do it early. Also had tons of traffic.


March 16, 2016
bigAD Trailblazer  
Review: A good cruiser, if you are in the area. An out and back.

Granny Gear

July 9, 2015
Review: I'm easy to please. Loved the ride. Took Blue Sky from Horsetooth Inlet Bay. Took Rimrock east for a while then had to get back to camp. Great quick ride. Beautiful views. Loved the technical aspect of Rimrock. Can't wait to get back and re-try some of the technical rocky climbs I failed on. Was fun coming back down.

World Champ

June 23, 2015
Review: Fast and fun! It's an out and back which is a little annoying but still a good ride.


November 6, 2014
uber_franz Trailblazer  
Review: Fun, easy mountain biking

Similar Trail: Picture Rock


August 23, 2014
uber_franz Trailblazer  
Review: Finally had a chance to ride this all the way from Devil's Backbone to Horsetooth. Fun ride! Throw in Indian Summer for a little extra challenge! I didn't see any rattlers, but heard one buzzing in the bushes as I rode by. Be careful out there!

Similar Trail: Coyote Ridge, Devil's Backbone


August 13, 2014
nstarsfan Gramcounter  
Review: The most important thing I can say about this trail is the watch for rattlesnakes. I came upon one that was kind of aggressive and did not want to leave the trail. There are also blind corners so these two factors will have you wanting to watch your speed. Mountains do provide some shade in morning. If you go to Indian Summer, you quickly realize how hot it is out in the open.

Blue Sky MTB Trail 3.97 out of 5 based on 29 ratings. 29 user reviews.
Trail Conditions
Trail Conditions          < / > embed