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  • Trail Style 
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  • Activity Type  
Trail Conditions
  • Unknown
  • Snow Groomed
  • Snow Packed
  • Snow Covered
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Ideal
  • Dry
  • Very Dry
Trail Ridden Direction
Trailforks scans users ridelogs to determine the most popular direction each trail is ridden. A good flowing trail network will have most trails flowing in a single direction according to their intension.
The colour categories are based on what percentage of riders are riding a trail in its intended direction.
  • > 96%
  • > 90%
  • > 80%
  • > 70%
  • > 50%
  • < 50%
Trail Last Ridden
Trailforks scans ridelogs to determine the last time a trail was ridden.
  • < 2 days
  • < 1 week
  • < 2 weeks
  • < 1 month
  • < 6 months
  • > 6 months
Trail Ridden Direction
The intended direction a trail should be ridden.
  • Downhill Only
  • Downhill Primary
  • Both Directions
  • Uphill Primary
  • Uphill Only
  • One Direction
ContributeDetails
Colors indicate trail is missing specified detail.
  • Description
  • Photos
  • Description & Photos
  • Videos
Trail Popularity ?
Trailforks scans ridelogs to determine which trails are ridden the most in the last 9 months. Trails are compared with nearby trails in the same city region with a possible 25 colour shades. Think of this as a heatmap, more rides = more kinetic energy = warmer colors.
  • most popular
  • popular
  • less popular
  • not popular
ATV/ORV/OHV Filter
Max Vehicle Width
inches

LEGEND
Trail Difficulties
  • Access Road/Trail
  • White
  • Green
  • Blue
  • Black
  • Double Black Diamond

Trail Report Status
  • Clear / Green
  • Minor Issue / Yellow
  • Significant Issue / Amber
  • Closed

  • Land Owner Overlay
  • Wilderness (typically no bikes in USA)
  • BLM (public)
  • USFS (Wildlife sanctuaries darker than usfs)
  • State land
  • Indigenous
  • Military
Trail Conditions
  • Unknown
  • Snow Groomed
  • Snow Packed
  • Snow Covered
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Ideal
  • Dry
  • Very Dry
  • Map Markers
  • trail Trail Head
  • photo Photo
  • place Directory Listing
  • region Riding Area
  • TTF TTF
  • Parking Parking
  • Viewpoint Viewpoint
  • Information Information
  • Warning Warning
  • Directions Directions
  • Sight Sight
  • Restrooms Restrooms
  • eBike Charging Point eBike Charging Point
  • Water Fountain/Source Water Fountain/Source
  • Gate Gate
  • Trail Sign Trail Sign
  • Table or Bench Table or Bench
  • Ladder Ladder
  • Stairs Stairs
  • Bridge Bridge
  • Camping Camping
  • Cabin Cabin
  • Lodge Lodge
  • Bear Cache Bear Cache
  • Dock Dock
  • Ranger Station Ranger Station
  • Summit Summit
  • Other Other
      No description for Big Sky has been added yet! Login or register to submit one.
      Region Details
      • 28
      • 3
      • 21
      • 62
      • 35
      • 12

      Activities
      Region Status
      Caution as of Jun 20, 2020
      Local Trail Association

      Stats

      Avg Trail Rating
      Trails (view details)
      163
      Trails Mountain Bike
      161
      Trails E-Bike
      27
      Trails Hike
      106
      Trails Trail Running
      106
      Trails Horse
      4
      Trails Dirtbike
      3
      Trails ATV/ORV/OHV
      3
      Trails Snowshoe
      9
      Trails Backcountry Ski
      1
      Trails Nordic Ski
      8
      Total Distance
      375 miles
      Total Descent
      93,093 ft
      Total Vertical
      5,268 ft
      Highest Trailhead
      11,134 ft
      Reports
      260
      Photos
      242
      Ridden Counter
      5,439
      Sub Regions

      Photos of Big Sky Mountain Bike

      trail: Elbow
      136 |
      Aug 28, 2016 @ 9:35am
      Aug 28, 2016
      trail: Snake Charmer
      136 |
      Aug 28, 2016 @ 8:52am
      Aug 28, 2016
      142 |
      Aug 22, 2016 @ 2:30pm
      Aug 22, 2016
      trail: Snake Charmer
      72 |
      Aug 10, 2016 @ 9:04am
      Aug 10, 2016

      Videos of Big Sky Mountain Bike

      big sky gambler to elbow to ninja marmot
      trail: Elbow
      12:08 | 65 | Aug 11, 2019
      Big Sky gambler to elbow to ninja marmot
      trail: Elbow
      10:22 | 59 | Jul 22, 2019
      Ninja marmot with unicon mount test
      1:46 | 78 | Sep 3, 2018
      Big Sky Revenge
      trail: Revenge
      5:26 | 185 | Aug 30, 2018

      Current Trail Warnings

      statustraildateconditionuserinfo
      Second Yellow Mule
      Jun 20, 2020 @ 3:41pm
      Jun 20, 2020
      		 VariablemasonskisStill snowy up top, it’s gonna be a...
      Cabin Creek
      Jun 14, 2020 @ 9:35am
      Jun 14, 2020
      		 Prevalent MudjacobdparkerFrom the camp ground to the top of the...
      Kirkwood Trail
      Jun 14, 2020 @ 9:32am
      Jun 14, 2020
      		 Prevalent MudjacobdparkerTrail is rough, but dry with a few downed...

      Recent Trail Reports

      statustraildateconditionuserinfo
      Hummocks Loop
      Jun 14, 2020 @ 9:40am
      Jun 14, 2020
      		 Idealnrainey80
      Hummocks West
      Jun 14, 2020 @ 9:40am
      Jun 14, 2020
      		 Idealnrainey80
      Upland
      Jun 14, 2020 @ 9:40am
      Jun 14, 2020
      		 Idealnrainey80
      Hummocks
      Jun 14, 2020 @ 9:40am
      Jun 14, 2020
      		 Idealnrainey80
      South Fork Loop
      Jun 14, 2020 @ 9:40am
      Jun 14, 2020
      		 Idealnrainey80
      Fish Camp
      May 25, 2020 @ 7:57pm
      May 25, 2020
      		 DryPack2004 Griz Bear attacked Mt Biker on 5/25....
      Grizzly Loop
      May 19, 2020 @ 7:55pm
      May 19, 2020
      		 VariablemasonskisA couple wet spots, otherwise ideal.
      River Trail
      May 10, 2020 @ 9:41pm
      May 10, 2020
      		 DrymasonskisDry. Rough
      Twin Cabin
      May 10, 2020 @ 9:15am
      May 10, 2020
      		 VariablemasonskisWet in spots but worth it for locals...
      Lemon's Knob
      May 10, 2020 @ 9:13am
      May 10, 2020
      		 DrymasonskisRough but mostly dry

      Activity Feed

      usernameactiontypetitledate
      user #485109specialevwishlisttrailNinja Marmot
      Jul 2, 2020 @ 7:08am
      9 hours
      user #2264943Gwood22wishlisttrailSlide Creek
      Jul 1, 2020 @ 3:59pm
      24 hours
      user #21409742WheeledGaperriddentrailSoul Hole
      Jun 29, 2020 @ 4:10pm
      3 days
      user #2259869Mtreckx1wishlisttrailBuffalo Horn Creek
      Jun 28, 2020 @ 10:27pm
      Jun 28, 2020
      user #1891652mmagranswishlisttrailMadison Loop
      Jun 28, 2020 @ 6:03am
      Jun 28, 2020

      Recent Comments

      usernametypetitlecommentdate
      user #2217211nrainey80trailRalph's PassTrail goes through private property and is...
      Jun 14, 2020 @ 10:38am
      Jun 14, 2020
      user #2224380BbellertrailCabin CreekBoarder line un-rideable early summer (mid...
      Jun 13, 2020 @ 8:15pm
      Jun 13, 2020
      user #2224380BbellertrailKirkwood TrailVery loose, bumpy, hoof ridden trail. Not...
      Jun 13, 2020 @ 8:10pm
      Jun 13, 2020
      user #1866712burmskeen88trailGamblerIt’s a stretch from a blue tail lol. If...
      Aug 24, 2019 @ 12:16am
      Aug 24, 2019
      user #1866712burmskeen88trailRabbit RunDry, watch out for the gray “sand” real...
      Aug 24, 2019 @ 12:14am
      Aug 24, 2019

      Local Badges

      Bike & Skill Parks

      nametypecityrating
      Big Sky Resortbike parkBig Sky
      Big Sky Community Park Pumptrackskill parkBig Sky

      Upcoming Local Events

      Local Mountain Biking Directory

      Local Products

      Local Trail Supporters

      • National Recreation Trail

      Pinkbike Articles

      May 28, 2020
      [Updated] Mountain Biker Attacked by Grizzly Bear Near Big Sky, Montana [Updated] Mountain Biker Attacked by Grizzly Bear Near Big Sky, Montana
      The man in his 60s was critically injured but is in stable condition.
      Nov 21, 2017
      Montana Treasures: Whitefish with Pete Costain - Video Montana Treasures: Whitefish with Pete Costain - Video
      In this episode of Montana Treasures, we meet Pete Costain, trail builder and owner of Terraflow Trails, Pete and his team are contributing to the...
      Nov 1, 2017
      Freehub Magazine &amp; Trailforks Raise Over $4k for Montana Trails Freehub Magazine & Trailforks Raise Over $4k for Montana Trails
      Freehub teamed up with Trailforks to raise money for the trails in Montana and raised $4418 for trails organizations in Montana.
      Oct 24, 2017
      Montana Treasures: Helena with Lanie White - Video Montana Treasures: Helena with Lanie White - Video
      Montana Treasures is a series about a few of the many people who embody the state’s greater mountain bike scene through their actions and...
      Oct 11, 2017
      Montana Treasures: Big Sky with Local Bike Shop Own, Tom - Video Montana Treasures: Big Sky with Local Bike Shop Own, Tom - Video
      Tom Owen has owned Gallatin Alpine Sports in Big Sky for 31 years and shares what's important to him and why Big Sky is a good place to be a...
      • By jordi-viladas & contributors
      • Admins: MONTANABIKERMAN, evasive, BSCO
      • #5519 - 6,265 views

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