more stats
1,456 ft
Distance
17 ft
Climb
-212 ft
Descent
00:02:50
Avg time
-195 ft
Altitude change
6,718 ft
Altitude min
6,925 ft
Altitude max
6,913 ft
Altitude start
6,718 ft
Altitude end
-13.387%
Grade
-57.226%
Grade max
28.834%
Grade min
148 ft
Distance climb
1,308 ft
Distance down
00:02:50
Avg time

Sos Details

  • Activities
    • Mountain Bike
    • Hike
    • Trail Running
  • Riding Area
    Park City
    , Utah
  • Difficulty Rating
    Black Diamond Rate
  • Voted Difficulty
    Black Diamond (1 vote)
  • Local Popularity
    30 in Mountain Biking [+]
    • 70 in Trail Running
    • 50 in Hiking
  • Global Ranking
    #125366 in Mountain Biking [+]
    • #122142 in Trail Running
    • #145118 in Hiking
  • State Ranking
    #2,290 in Mountain Biking · Utah [+]
    • #2,648 in Trail Running
    • #3,400 in Hiking
  • Trail Type
    Singletrack
  • Direction
    Both Directions
    Popular Direction Shown
  • Dogs Allowed
    Yes

SOS is a fun chute off of Lost Prospector. A few corners have roots and rocks that make this a black diamond rating. It is a tight bobsled style trail that has a tendency to get overgrown. If you need to access the Rail Trail from higher areas, this is a great option. The trail is well marked with a sign.

Tags
Trail Supporters
  • BLM
    BLM
    Land Manager
Local Trail Association
Traditionally Indigenous Territory

Recent Activity on Trail

Past Week
  • 0 rides
  •  
6 Months
  • 9 rides
  • 7 miles avg distance
All
  • 118 rides
  • Last: Aug 26, 2026
c1c2c3c4
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Status:
on Oct 24, 2025
Ideal
Avg: 3.99 (4 votes)
Your vote: 0

view (1,064)
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      Directions to sos trailhead (40.665030, -111.480710)
      View on Discover Map

      Photos

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      Videos

      1 more »
      SOS trail
      mtb
      0:25 | 306 | Jan 28, 2017 , Park City

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      Trail Products

      4.0 ★★★★★
      4 Ratings
      5 ★ 50%
      4 ★
      3 ★ 50%
      2 ★
      1 ★

      2 Reviews & Comments

      BrendanijYgFE
      This is a fantastic downhill-only trail. Has been a favorite for the past 2 seasons. There are unfortunately severe length-wise ruts from the heavy spring runoff this season that will need work to fill in. We'll also need to figure out a way to divert water to avoid this damage in future seasons.

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      Frequently Asked Questions

      ▼ Where is Sos located?
      Sos is located in Park City, Utah, United States. It is part of the Park City trail network. The trailhead is located at coordinates 40.66503, -111.48071.
      ▼ How hard is Sos?
      Sos is rated as Black Diamond difficulty. The average grade is 13.387%.
      ▼ What is the elevation gain for Sos?
      Sos has 17 ft of elevation gain. The trail has 212 ft of elevation descent. The elevation ranges from 6,718 ft to 6,925 ft.
      ▼ Is Sos a point to point trail?
      Sos is not a point to point trail. The direction is Both Directions. The trail type is singletrack.
      ▼ How long is Sos?
      Sos is 1,456 ft long. The trail type is singletrack.
      ▼ Are dogs allowed on Sos?
      Yes, dogs are allowed on Sos. Please keep dogs on a leash where required and clean up after them.
      ▼ How do I access Sos? Where is the closest parking trailhead?
      The closest parking and trailhead locations to Sos are: View all parking locations in the area.
      ▼ How long does it take to ride Sos?
      Based on recorded activities, it takes an average of 3 minutes to ride Sos. The trail is 1,456 ft long. Actual times will vary based on fitness level, conditions, and pace. View recent activity logs for more details.
      ▼ How busy is Sos?
      Sos is a less popular trail with lighter traffic. There have been 1,038 recorded activities on this trail. The trail has received 1,064 check-ins. View recent activity on this trail.

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