close
3D
Trail Conditions
  • Unknown
  • Snow Groomed
  • Snow Packed
  • Snow Covered
  • Snow Cover Inadequate
  • 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
ATV/ORV/OHV Filter
Max Vehicle Width
inches

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
Jump Magnitude Heatmap
Heatmap of where riders jump on trails. Zoom in to see individual jumps, click circles to view jump details.
Trails Deemphasized
Trails are shown in grey.
disable
Only show trails with NO bikes.
enable

Save the current map location and zoom level as your default home location whenever this page is loaded.

Save
      Grand County Colorado
      Activities Click to view
      Region Details
      • 39
      • 1
      • 63
      • 107
      • 51
      • 5
      • 1

      Local Trail Association

      Stats

      Avg Trail Rating
      Trails (view details)
      345
      Trails Mountain Bike
      269
      Trails E-Bike
      83
      Trails Horse
      46
      Trails Hike
      185
      Trails Trail Running
      179
      Trails Dirtbike/Moto
      23
      Trails ATV/ORV/OHV
      11
      Trails Snowmobile
      7
      Trails Snowshoe
      14
      Trails Downhill Ski
      2
      Trails Backcountry Ski
      8
      Trails Nordic Ski
      58
      Total Distance
      534 miles
      Total Descent
      92,547 ft
      Total Vertical
      5,687 ft
      Highest Trailhead
      13,249 ft
      Reports
      1,987
      Photos
      764
      Ridden Counter
      87,071

      Outside Logo Articles

      Registration Opens For 2022 BetterRide Skills Courses
      Dec 29, 2021 from pinkbike.com
      Three-day coaching courses in Nevada, Colorado, Utah, Arizona, and more.
      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.

      Popular Trail Networks

      title
      Granby Ranch 18 13 15 3
      Trestle Bike Park 8 14 14 2
      Vasquez Creek and Leland Creek Areas 2 14 4
      Elk Creek 4 11 2
      Idlewild 9 9
      view all areas »

      Popular Grand County Mountain Biking Trails

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

      Grand County Mountain Bike Routes

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

      Recent Ride Log Activity in Region

      Today
      • 0 rides
      Yesterday
      • 1 rides
      Past Week
      • 8 rides

      Photos of Grand County Mountain Bike

      trail: The Boulevard
      593 |
      Feb 2, 2018 @ 2:55pm
      Feb 2, 2018
      130 |
      Aug 24, 2017 @ 11:34am
      Aug 24, 2017
      trail: Green World
      148 |
      Aug 3, 2017 @ 4:07pm
      Aug 3, 2017
      129 |
      Sep 26, 2016 @ 11:21am
      Sep 26, 2016
      115 |
      Sep 20, 2016 @ 8:51pm
      Sep 20, 2016
      trail: The Boulevard
      208 |
      Aug 25, 2016 @ 8:13pm
      Aug 25, 2016
      trail: Silky Johnson
      178 |
      Aug 23, 2016 @ 9:30pm
      Aug 23, 2016
      304 |
      Sep 18, 2009 @ 7:26pm
      Sep 18, 2009

      Videos of Grand County Mountain Bike

      trail: Caribou
      4 | Sep 18, 2022
      36th Chamber
      63 | Aug 24, 2022
      Rainmaker - Lower
      41 | Aug 18, 2022
      18 | Aug 7, 2022
      17 | Aug 7, 2022
      OOPS
      trail: Tron
      51 | Aug 6, 2022
      Rock gap crash
      60 | Jul 28, 2022
      $FREE$ Downhill Beginner Freeride Trail!
      14 | Jul 20, 2022

      Recent Trail Reports

      National Scenic Trails & Official Routes

      Activity Feed

      usernameactiontypetitledate
      user #3122646CAYPniX4wishlisttrailGreen World and 1 more
      Mar 22, 2023 @ 10:23pm
      2 days
      user #1253866jdoyle0116wishlistregionDevil's Thumb Ranch
      Mar 21, 2023 @ 11:14pm
      Mar 21, 2023
      user #1426585frgibsonwishlisttrailSnyder Creek Loop
      Mar 21, 2023 @ 4:50pm
      Mar 21, 2023
      user #3030885MichaelkZc6gZwishlisttrailHigh Lonesome Hut
      Mar 21, 2023 @ 2:28am
      Mar 21, 2023
      user #3115012JonFearnowoAwishlistrouteFun Winter Park Loop
      Mar 12, 2023 @ 11:10am
      Mar 12, 2023

      Recent Comments

      usernametypetitlecommentdate
      user #2504272BigsandysurferstrailCreekside LoopSnow compacted, nice loop
      Nov 24, 2022 @ 9:19am
      Nov 24, 2022
      user #3121213BearsMTBtrailSearch and SeizureI made the same mistake as bocomtb and ended...
      Oct 14, 2022 @ 12:36pm
      Oct 14, 2022
      user #1169071JbamatrailCDT - High LonesomeThis trail crosses some scenic areas but is...
      Sep 21, 2022 @ 11:53am
      Sep 21, 2022
      user #657403NorthsupplytrailCaribouLots of trees down, and unrideable rock...
      Sep 18, 2022 @ 5:11pm
      Sep 18, 2022
      user #429989dirtfrenzytrailPhrooty PebblesTrail just opened this year and it is awesome!...
      Aug 24, 2022 @ 7:53am
      Aug 24, 2022

      Local Badges


      Activity Type Stats

      activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
      Mountain Bike269453 miles81,230 ft211 miles5,689 ft
      7451,9554934,359
      E-Bike83193 miles32,933 ft85 miles4,373 ft
      61,6512170
      Horse46137 miles17,726 ft47 miles5,233 ft
      15092
      Hike185372 miles53,307 ft153 miles5,689 ft
      121,897241,662
      Trail Running179361 miles52,057 ft148 miles5,689 ft
      1,89625324
      Dirtbike/Moto23132 miles16,450 ft51 miles4,124 ft
      49529
      ATV/ORV/OHV1162 miles7,329 ft22 miles3,087 ft
      48823
      Snowmobile727 miles1,572 ft5 miles2,418 ft
      3726
      Snowshoe1444 miles3,776 ft11 miles3,287 ft
      3920115
      Downhill Ski2
      325,143
      Backcountry Ski87 miles2,352 ft2 miles1,880 ft
      321,879
      Nordic Ski5869 miles5,335 ft21 miles3,087 ft
      3842,404
      • By robbinsdr GMBA & contributors
      • Admins: jpmcghee, msmcfate, cmcquade, GMBA, STT
      • #12863 - 6,067 views

      Downloading of trail gps tracks in kml & gpx formats is enabled for Grand County.
      You must login to download files.