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Trail Conditions
  • Unknown
  • Snow Groomed
  • Snow Packed
  • Snow Covered
  • Snow Cover Partial
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Ideal
  • Dry
  • Very Dry
Trail Flow (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%
  • bi-directional trail
  • no data
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
Contribute Details
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
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Radar Time
x Activity Recordings
Trailforks users anonymized public ridelogs from the past 6 months.
  • mountain biking recent
  • mountain biking (>6 month)
  • hiking (1 year)
  • moto (1 year)
Activity Recordings
Trailforks users anonymized public skilogs from the past 12 months.
  • Downhill Ski
  • Backcountry Ski
  • Nordic Ski
  • Snowmobile
Winter Trails
Warning A routing network for winter maps does not exist. Selecting trails using the winter trails layer has been disabled.
x Missing Trails
Most Popular
Least Popular
Trails are colored based on popularity. The more popular a trail is, the more red. Less popular trails trend towards green.
Jump Magnitude Heatmap
Heatmap of where riders jump on trails. Zoom in to see individual jumps, click circles to view jump details.
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      Grand County Colorado
      Activities Click to view
      Region Details
      • 40
      • 1
      • 63
      • 111
      • 49
      • 7
      • 1

      Local Trail Association

      Stats

      Avg Trail Rating
      Trails (view details)
      360
      Trails Mountain Bike
      278
      Trails E-Bike
      138
      Trails Horse
      55
      Trails Hike
      199
      Trails Trail Running
      191
      Trails Dirtbike/Moto
      25
      Trails Observed Trials
      40
      Trails ATV/ORV/OHV
      52
      Trails Snowmobile
      8
      Trails Snowshoe
      17
      Trails Downhill Ski
      2
      Trails Backcountry Ski
      8
      Trails Nordic Ski
      60
      Total Distance
      567 miles
      Total Descent
      99,865 ft
      Total Vertical
      5,687 ft
      Highest Trailhead
      13,249 ft
      Reports
      2,405
      Photos
      831
      Ridden Counter
      126,920

      Outside Logo Articles

      Colorado's 5 Most Popular Trail Networks According to Trailforks Data
      Oct 20, 2021 from pinkbike.com
      Colorado is the eighth most expansive of the 50 states by area and is home to 53 different mountain peaks in excess of 14,000 feet above sea level.
      Video: Trestle Bike Park Announces Opening Weekend
      Jun 25, 2020 from pinkbike.com
      It's bike park season again in Colorado.
      Trestle Bike Park Announces June 27th Opening Date
      Jun 5, 2020 from pinkbike.com
      The bike park will be operating 7 days a week, starting at the end of this month.
      Video: Behind the Scenes with Intense Factory Racing as Neko Mulally Defends his US National Champ Title
      Aug 1, 2019 from pinkbike.com
      The pressure was on for the defending champ.

      Popular Trail Networks

      title
      Granby Ranch 17 14 15 3
      Trestle Bike Park 8 16 12 4
      Vasquez Creek and Leland Creek Areas 2 14 4
      Idlewild 9 9
      Fraser Valley 2 11 3
      view all areas »

      Popular Grand County Mountain Biking Trails

      statustitledifficultyrating
      Free Speech
      Fraser Valley
      Boot Camp
      Trestle Bike Park
      Beall Ucanb
      Trestle Bike Park
      Lower Long Trail
      Trestle Bike Park
      No Quarter
      Fraser Valley
      Shy Ann
      Trestle Bike Park
      Long Trail
      Fraser Valley
      Rainmaker (Middle)
      Trestle Bike Park
      Spicy Chicken
      Trestle Bike Park
      Jury Duty
      Trestle Bike Park
      Blue Crush
      Trestle Bike Park
      Free Speech (Lower)
      Fraser Valley
      Green World (Bottom)
      Fraser Valley
      Paper Boy
      Trestle Bike Park
      Rainmaker (Lower)
      Trestle Bike Park

      Grand County Mountain Bike Routes

      titleratingdistance
      Iko & Broken Spade Loop
      5 miles
      Creekside Combo Demo
      Idlewild
      15 miles
      Leland Creek Loop
      Winter Park
      10 miles
      Winter Park Ski Resort
      Trestle Bike Park
      5 miles
      Fraser Experimental Forest
      St. Louis Creek
      5 miles
      Idlewild
      Winter Park
      10 miles
      Icebox Mountain Ride!
      Fraser
      40 miles
      Zoom, Chainsaw & Flume Trail Loop
      7 miles
      Idlewild - Broken & Twisted!
      Winter Park
      11 miles
      Brute Squad 50 - Part 1
      Fraser
      33 miles

      Recent Ride Log Activity in Region

      Today
      • 0 rides
      Yesterday
      • 60 rides
      Past Week
      • 397 rides

      Photos of Grand County Mountain Bike

      trail: The Boulevard
      752 |
      Feb 2, 2018 @ 2:55pm
      Feb 2, 2018
      168 |
      Aug 24, 2017 @ 11:34am
      Aug 24, 2017
      160 |
      Sep 26, 2016 @ 11:21am
      Sep 26, 2016
      140 |
      Sep 20, 2016 @ 8:51pm
      Sep 20, 2016
      trail: The Boulevard
      283 |
      Aug 25, 2016 @ 8:13pm
      Aug 25, 2016
      trail: Silky Johnson
      246 |
      Aug 23, 2016 @ 9:30pm
      Aug 23, 2016
      505 |
      Jul 19, 2016 @ 8:00pm
      Jul 19, 2016
      401 |
      Sep 18, 2009 @ 7:26pm
      Sep 18, 2009

      Videos of Grand County Mountain Bike

      Banana peel
      0:41 | 16 | Jan 1, 2025
      Massive Banana Peel Crash
      0:04 | | Aug 12, 2024
      Trestle DH crash
      0:09 | 71 | Jul 31, 2024
      Tree Punched Back
      trail: No Quarter
      0:13 | 45 | Jun 29, 2024
      Trestle Bike Park Banana Peel Trail 1st Half
      0:32 | 165 | Oct 14, 2023
      Rainmaker Kicker
      0:12 | | Sep 10, 2023
      Rainmaker Kicker
      0:12 | | Sep 10, 2023
      5Points CRASH
      0:21 | | Sep 10, 2023

      Recent Trail Reports

      statustraildateconditioninfouser
      Spruce Creek
      Jun 20, 2025 @ 10:15am
      21 hours
      Dry4 trees downAVBRISTOL
      Idlewild
      Idlewild
      Jun 20, 2025 @ 2:26pm
      17 hours
      Drydowned trees over trailErin4ZGWO4
      Meadow
      Idlewild
      Jun 20, 2025 @ 2:26pm
      17 hours
      Idealno signs saying it's one way only like...Erin4ZGWO4
      Double Bit
      Jun 14, 2025 @ 10:12am
      Jun 14, 2025
      VariableAVBRISTOL
      Tipperary Creek
      Jun 10, 2025 @ 2:49pm
      Jun 10, 2025
      DryA few trees down on the way up and small...spillcoleman
      Akima's Way
      Vasquez Creek and Leland Creek Areas
      May 29, 2025 @ 6:36pm
      May 29, 2025
      DryE-Bike Mostly clear with some muddy spots.redrockrider1
      Sundog
      Vasquez Creek and Leland Creek Areas
      May 29, 2025 @ 6:36pm
      May 29, 2025
      IdealE-Bike Some mud in areas. Mostly clear and dry...redrockrider1
      Flume
      Fraser
      May 28, 2025 @ 12:25pm
      May 28, 2025
      VariableMostly running smooth; mucky sections...spillcoleman
      Creekside Loop
      Fraser
      May 28, 2025 @ 12:24pm
      May 28, 2025
      Dryspillcoleman
      Northwest Passage
      St. Louis Creek
      May 28, 2025 @ 12:24pm
      May 28, 2025
      VariableCouple soft spots but overall running snoothspillcoleman

      Activity Feed

      usernameactiontypetitledate
      rziccwishlistrouteactivity #74237304
      Jun 21, 2025 @ 5:55am
      2 hours
      AVBRISTOLaddreportactivity #74207546
      Jun 20, 2025 @ 4:47pm
      15 hours
      Erin4ZGWO4addreportactivity #74199614 and 1 more
      Jun 20, 2025 @ 2:26pm
      17 hours
      sgcrewscommenttrailactivity #74194492
      Jun 20, 2025 @ 12:55pm
      19 hours
      Noodle1riddentrailactivity #74180704
      Jun 20, 2025 @ 9:19am
      22 hours

      Recent Comments

      usernametypetitlecommentdate
      sgcrewstrailRidge RunnerVery cool trail. Trailforks is not yet...
      Jun 20, 2025 @ 12:55pm
      19 hours
      kauaibobbytrailWTB (Middle)Beautiful trail not many rocks
      Jun 18, 2025 @ 10:55am
      3 days
      Aggye65trailDoe CreekP
      Jun 13, 2025 @ 7:08pm
      Jun 13, 2025
      DangerBigtrailBottom of the BowlThis is now called "Back to Reality" trail
      May 3, 2025 @ 1:16pm
      May 3, 2025
      PkfiretrailLeap FrogI rescind my earlier comment. Razzmatazz is...
      Oct 12, 2024 @ 11:39am
      Oct 12, 2024

      Local Badges


      Activity Type Stats

      activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
      Mountain Bike278451 miles81,824 ft217 miles5,689 ft
      8082,3475450,772
      E-Bike138194 miles33,648 ft89 miles4,373 ft
      61,9773638
      Horse55156 miles22,247 ft57 miles5,233 ft
      15172
      Hike199405 miles59,823 ft171 miles5,689 ft
      172,270253,377
      Trail Running191382 miles57,356 ft163 miles5,689 ft
      2,26825732
      Dirtbike/Moto10135 miles16,824 ft53 miles4,124 ft
      497237
      Observed Trials40
      17
      ATV/ORV/OHV5265 miles6,864 ft22 miles3,087 ft
      48526
      Snowmobile830 miles1,588 ft5 miles2,418 ft
      6429
      Snowshoe1745 miles4,501 ft13 miles3,287 ft
      6621175
      Downhill Ski24 miles2,093 ft3 miles1,604 ft
      5611,561
      Backcountry Ski87 miles2,352 ft2 miles1,880 ft
      584,055
      Nordic Ski6068 miles6,043 ft22 miles3,087 ft
      16554,206
      • By robbinsdr & contributors
      • Admins: jpmcghee, msmcfate, cmcquade, FVMTB
      • #12863 - 8,522 views

      Downloading of trail gps tracks in kml & gpx formats is enabled for Grand County.
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