more stats
935 ft
Distance
-313 ft
Descent
00:02:09
Avg time
-313 ft
Altitude change
6,597 ft
Altitude min
6,910 ft
Altitude max
6,910 ft
Altitude start
6,598 ft
Altitude end
-33.5%
Grade
-55.7%
Grade max
-8.5%
Grade min
935 ft
Distance down
00:02:09
Avg time

I.B.S. Details

  • Activities
    • Mountain Bike
  • Riding Area
    Big Sky
    , Montana
  • Difficulty Rating
    Black Diamond Rate
  • Local Popularity
    90 in Mountain Biking heatmap
  • Global Ranking
    #168890 in Mountain Biking
  • State Ranking
    #1,596 in Mountain Biking · Montana
  • Trail Type
    Singletrack
  • Year Opened
    2024

The first of a few downhill trails to come branching off of Mountain to Meadow. This was developed as a safer alternative to the shortcut established over the last few years. Classic steep skidder line, with nice loam, moss, and roots.

Tags
LoamyMeadow

Local Trail Association

Traditionally Indigenous Territory

Recent Activity on Trail

Past Week
  • 0 rides
  •  
6 Months
  • 24 rides
  • 15 miles avg distance
All
  • 54 rides
  • Last: Oct 3, 2026
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I.B.S. Trail Reports

statusdatedescription
May 29, 2026 @ 2:45pm (America/Denver)
May 29, 2026
 reporter
Aug 10, 2025 @ 11:57am
Aug 10, 2025
more »
Status:
on May 29, 2026
Ideal
Avg: 5 (1 votes)
Your vote: 0

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      Directions to i-b-s trailhead (45.269010, -111.346440)
      View on Discover Map 3D Tour

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      Routes with this trail

      more »
      46
      2023 Biggie 30 Mile Course
      33 miles • 4,657 ft • 11 • Loop •
      This is the 2023 Big Sky Biggie 30 Mile Course.
      62
      2026 Biggie 50 Mile - Alt Route
      49 miles • 7,910 ft • 12 • Race •
      2026 50 Mile Course for the Big Sky Biggie - Alternate Hot Dog Route
      66
      2024 Biggie 50 Mile Course
      ★ 5.0 • 47 miles • 7,490 ft • 14 • Point to Point • Race •
      2024 Biggie 50 Mile Race Course. Subject to change.

      Trail Products

      5.0 ★★★★★
      1 Ratings
      5 ★ 100%
      4 ★
      3 ★
      2 ★
      1 ★

      8 Reviews & Comments


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      Frequently Asked Questions

      ▼ Where is I.B.S. located?
      I.B.S. is located in Big Sky, Montana, United States. It is part of the Big Sky trail network. The trailhead is located at coordinates 45.26901, -111.34644.
      ▼ How hard is I.B.S.?
      I.B.S. is rated as Black Diamond difficulty. The average grade is 33.5%.
      ▼ What is the elevation gain for I.B.S.?
      The trail has 313 ft of elevation descent. The elevation ranges from 6,597 ft to 6,910 ft.
      ▼ How long is I.B.S.?
      I.B.S. is 935 ft long. The trail type is singletrack.
      ▼ Are dogs allowed on I.B.S.?
      There is no information about dogs being allowed on I.B.S.. Check with local trail managers or the trail page for the latest access rules.
      ▼ How do I access I.B.S.? Where is the closest parking trailhead?
      The closest parking and trailhead locations to I.B.S. are: View all parking locations in the area.
      ▼ How long does it take to ride I.B.S.?
      Based on recorded activities, it takes an average of 2 minutes to ride I.B.S.. The trail is 935 ft long. Actual times will vary based on fitness level, conditions, and pace. View recent activity logs for more details.
      ▼ How busy is I.B.S.?
      I.B.S. is a very popular trail. There have been 221 recorded activities on this trail. The trail has received 258 check-ins. View recent activity on this trail.

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