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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
  • Boardwalk Boardwalk
  • Camping Camping
  • Cabin Cabin
  • Lodge Lodge
  • Bear Cache Bear Cache
  • Dock Dock
  • Ranger Station Ranger Station
  • Summit Summit
  • Other Other
      Grand County Colorado
      Region Details
      • 30
      • 1
      • 65
      • 99
      • 55
      • 8
      • 2

      Region Status
      Caution as of Oct 18, 2020
      Local Trail Association

      Stats

      Avg Trail Rating
      Trails (view details)
      285
      Trails Mountain Bike
      260
      Trails E-Bike
      18
      Trails Hike
      163
      Trails Trail Running
      163
      Trails Horse
      30
      Trails Dirtbike
      6
      Trails ATV/ORV/OHV
      2
      Trails Snowmobile
      1
      Trails Snowshoe
      2
      Trails Nordic Ski
      2
      Total Distance
      409 miles
      Total Descent
      94,215 ft
      Total Vertical
      5,168 ft
      Highest Trailhead
      12,730 ft
      Reports
      1,412
      Photos
      801
      Ridden Counter
      44,635

      Popular Trail Networks

      title
      Granby Ranch 19 13 16 3
      Trestle Bike Park 9 19 17 5
      Idlewild 11 9
      Vasquez 2 13 6
      Fraser Valley 3 8 3
      view all areas »

      Popular Grand County Mountain Biking Trails

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

      Grand County Mountain Bike Routes

      titleratingdistance
      Creekside Combo Demo
      Idlewild
      15 miles
      Brute Squad 50 - Part 1
      Fraser
      33 miles
      G3 Stage-3 Loop-2 and Finish
      Idlewild
      11 miles
      Brute Squad 50 - Part 2
      Trestle Bike Park
      20 miles
      Winter Park West Side Blue Tour
      Vasquez
      17 miles
      Fun Winter Park Loop
      Winter Park
      15 miles
      WP good loop east
      Idlewild
      8 miles
      Big Mountain Enduro - Winter Park 2020 race
      Trestle Bike Park
      18 miles
      G3 Stage-1 race
      Fraser
      37 miles
      Big Mountain Enduro - Winter Parl 2020 race
      Trestle Bike Park
      17 miles

      Recent Ridelog Activity in Region

      Today
      • 0 rides
      • 0 ft avg distance
      Yesterday
      • 1 rides
      • 3 miles avg distance
      Past Week
      • 7 rides
      • 5 miles avg distance

      Photos of Grand County Mountain Bike

      trail: The Boulevard
      362 |
      Feb 2, 2018 @ 2:55pm
      Feb 2, 2018
      91 |
      Aug 24, 2017 @ 11:34am
      Aug 24, 2017
      trail: Green World
      79 |
      Aug 3, 2017 @ 4:07pm
      Aug 3, 2017
      213 |
      Sep 18, 2009 @ 7:26pm
      Sep 18, 2009

      Videos of Grand County Mountain Bike

      Fail on Rainmaker
      22 | Oct 23, 2020
      Dirt lot boyz - Squad Goals
      1:00 | 9 | Oct 2, 2020
      Friday Fails Submission - Flip Over The Bars
      0:12 | 46 | Sep 27, 2020
      Crash on No Quarter at Trestle Bike Park
      trail: No Quarter
      0:25 | 63 | Sep 16, 2020

      Current Trail Warnings

      statustraildateconditionuserinfo
      Burnout Loop
      Idlewild
      Oct 18, 2020 @ 1:06pm
      Oct 18, 2020
      Very DryfintraxAll trees were cleaned up.
      Aqueduct Road
      Trestle Bike Park
      Oct 13, 2020 @ 4:12pm
      Oct 13, 2020
      DryboomherNo access from Lakota village due to...
      Buck Creek
      Trestle Bike Park
      Oct 13, 2020 @ 4:11pm
      Oct 13, 2020
      DryboomherConstruction guys stopped us at the...

      Recent Trail Reports

      Activity Feed

      usernameactiontypetitledate
      user #558402BetterRideaddeventBetterRide w/Gene Hamilton, Women's MTB Skills Course and 1 more
      Oct 30, 2020 @ 11:33pm
      2 hours
      user #2220249joegaugerriddentrailDive
      Oct 23, 2020 @ 6:46pm
      Oct 23, 2020
      user #2220249joegaugervotetrailDive
      Oct 23, 2020 @ 6:45pm
      Oct 23, 2020
      user #981853rallyimpreziveaddvideoFail on Rainmaker
      Oct 23, 2020 @ 8:57am
      Oct 23, 2020
      user #2464553MariehunsuckwishlisttrailIce Hill
      Oct 19, 2020 @ 7:20pm
      Oct 19, 2020

      Recent Comments

      usernametypetitlecommentdate
      user #2219894boomherreportChainsawJust a couple downed trees... otherwise good.
      Oct 15, 2020 @ 7:00pm
      Oct 15, 2020
      user #1336558markymarkindenvertrailPaper BoyGreat run - in tough shape late summer 2020....
      Sep 24, 2020 @ 4:25pm
      Sep 24, 2020
      user #1892140KarateMarktrailBrush PileAbout half a dozen trees down from last week's...
      Sep 14, 2020 @ 11:01am
      Sep 14, 2020
      user #2261015TrancendizoidtrailDirty DozenTire eater
      Aug 9, 2020 @ 1:15pm
      Aug 9, 2020
      user #2340183Tlove91trailSalad Bowl WestFlipped over my handle bars 3 times, brother...
      Aug 5, 2020 @ 4:24pm
      Aug 5, 2020

      Local Badges

      • By robbinsdr GMBA & contributors
      • Admins: chuktA, jpmcghee, GMBA, STT
      • #12863 - 2,337 views

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