more stats
2.4 miles
Distance
2,034 ft
Climb
-37 ft
Descent
00:35:32
Avg time
1,997 ft
Altitude change
9,511 ft
Altitude min
11,508 ft
Altitude max
9,511 ft
Altitude start
11,508 ft
Altitude end
15.814%
Grade
-14.906%
Grade max
25.657%
Grade min
2 miles
Distance climb
587 ft
Distance down
167 ft
Distance flat
00:35:32
Avg time

Ptarmigan Loop Details

  • Activities
    • Hike
    • Mountain Bike
    • Horse
    • Trail Running
  • Riding Area
    Silverthorne
    , Colorado
  • Ref Number
    #69.1
  • Difficulty Rating
    Black Diamond Rate
  • Local Popularity
    45 in Mountain Biking [+]
    • 95 in Trail Running
    • 80 in Hiking
    • 5 in Horseback
  • Global Ranking
    #302513 in Mountain Biking [+]
    • #8466 in Trail Running
    • #28162 in Hiking
    • #25242 in Horseback
  • State Ranking
    #5,126 in Mountain Biking · Colorado [+]
    • #234 in Trail Running
    • #942 in Hiking
    • #754 in Horseback
  • Hiking SAC Scale
    T3 Demanding Mountain Hiking
  • Trail Type
    Singletrack
  • Direction
    Both Directions
    Popular In Reverse
  • Climb Difficulty
    Black Diamond
  • Physical Rating
    Hard
  • Dogs Allowed
    Yes
  • eBike Allowed
    No

No community description for Ptarmigan Loop trail has been added yet!

AI Generated Description

Ptarmigan Loop is a 2 mile moderately popular black diamond difficulty singletrack trail located near Silverthorne Colorado. This hike primary trail can be used both directions and has a hard overall physical rating with a 2,034 ft black diamond climb. On average it takes 35 minutes to complete this trail.

Tags
Local Trail Association
Traditionally Indigenous Territory

Recent Activity on Trail

Past Week
  • 0 rides
  •  
6 Months
  • 3 rides
  • 26 miles avg distance
All
  • 10 rides
  • Last: Aug 24, 2026
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Ptarmigan Loop Trail Reports

statusdatedescription
Jun 22, 2026 @ 8:34pm (America/Denver)
Jun 22, 2026
 dusty and loose af
May 22, 2026 @ 2:49pm (America/Denver)
May 22, 2026
 all downed trees are now cleared. snow is gone. have a great summer.
Apr 24, 2026 @ 9:22pm (America/Denver)
Apr 24, 2026
 still 53 downed trees remaining to be cut. its dry and hikeable but significant deadfall from 10.7k ft to 11.1k ft
Apr 19, 2026 @ 4:00pm (America/Denver)
Apr 19, 2026
 downed trees cleared to 10,738ft. still some work to be done but getting closer to being open for mtb
Apr 6, 2026 @ 8:41am (America/Denver)
Apr 6, 2026
 reporter 100's of trees down, will need significant work to open
more »
Status:
on Jun 22, 2026
Very Dry
no votes yet
Your vote: 0

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      Directions to ptarmigan-loop trailhead (39.646120, -106.053810)
      View on Discover Map

      Photos

      18 more »
      mtb
      102 |
      Jun 25, 2020 @ 4:57pm
      Jun 25, 2020
      mtb
      107 |
      Jun 25, 2020 @ 4:57pm
      Jun 25, 2020
      mtb
      111 |
      Jun 25, 2020 @ 4:57pm
      Jun 25, 2020
      report
      mtb
      46 |
      May 22, 2026 @ 1:50pm
      May 22, 2026

      Videos

      no videos have been added for Ptarmigan Loop yet, add a video.

      Routes with this trail

      35
      Ptarmigan Peak
      11 miles • 3,549 ft • 2 • Out & Back •

      2 Reviews & Comments

      Hjcolon24
      The closest thing to real mountain biking that I've found so far nearby, but still mediocre, straight, not that steep, not technical, no defining features, just a little bit wild and a little bit fast

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      Nearby Trails

      Silverthorne

      • By toddTF Pro Trailforks & contributors
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      Frequently Asked Questions

      ▼ Where is Ptarmigan Loop located?
      Ptarmigan Loop is located in Silverthorne, Colorado, United States. It is part of the Silverthorne trail network. The trailhead is located at coordinates 39.64612, -106.05381.
      ▼ How hard is Ptarmigan Loop?
      Ptarmigan Loop is rated as Black Diamond difficulty. The physical rating is Hard. The average grade is 15.814%. The climb difficulty is rated Black Diamond.
      ▼ What is the elevation gain for Ptarmigan Loop?
      Ptarmigan Loop has 2,034 ft of elevation gain. The trail has 37 ft of elevation descent. The elevation ranges from 9,511 ft to 11,508 ft.
      ▼ Is Ptarmigan Loop a point to point trail?
      Ptarmigan Loop is not a point to point trail. The direction is Both Directions. The trail type is singletrack.
      ▼ How long is Ptarmigan Loop?
      Ptarmigan Loop is 2.4 miles long. The trail type is singletrack.
      ▼ Are dogs allowed on Ptarmigan Loop?
      Yes, dogs are allowed on Ptarmigan Loop. Please keep dogs on a leash where required and clean up after them.
      ▼ How do I access Ptarmigan Loop? Where is the closest parking trailhead?
      The closest parking and trailhead locations to Ptarmigan Loop are: View all parking locations in the area.
      ▼ How long does it take to ride Ptarmigan Loop?
      Based on recorded activities, it takes an average of 36 minutes to ride Ptarmigan Loop. The trail is 2.4 miles long. Actual times will vary based on fitness level, conditions, and pace. View recent activity logs for more details.
      ▼ How busy is Ptarmigan Loop?
      Ptarmigan Loop is a moderately popular trail. There have been 115 recorded activities on this trail. The trail has received 134 check-ins. View recent activity on this trail.

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