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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.
Trails Deemphasized
Trails are shown in grey.
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      No description for Northern Illinois has been added yet! Login or register to submit one.
      Region Details
      • 562
      • 5
      • 203
      • 34
      • 3

      Stats

      Avg Trail Rating
      Trails (view details)
      2,107
      Trails Mountain Bike
      812
      Trails E-Bike
      429
      Trails Horse
      384
      Trails Hike
      2,083
      Trails Trail Running
      1,330
      Trails Snowmobile
      126
      Trails Snowshoe
      312
      Trails Nordic Ski
      655
      Total Distance
      1,064 mile
      Total Descent
      40,170 ft
      Total Vertical
      774 ft
      Highest Trailhead
      1,225 ft
      Reports
      2,306
      Photos
      154
      Ridden Counter
      38,750
      Sub Regions

      Popular Northern Illinois Mountain Biking Trails

      statustitledifficultyrating
      Founder's 56
      Atwood Park Trails
      Blackhawk
      Atwood Park Trails
      .30 Cal
      Atwood Park Trails
      Burn and Turn
      Atwood Park Trails
      Daisy Cutter
      Atwood Park Trails
      Whiz Bang
      Atwood Park Trails
      Big Wheel
      Atwood Park Trails
      Sylvan Island Loop
      Sylvan Island Park
      The bob-sled
      Rock Cut State Park
      South System
      Illiniwek Forest Preserve
      South Climb
      Illiniwek Forest Preserve
      South Descent
      Illiniwek Forest Preserve
      Flooded creek
      Rock Cut State Park
      Trailhead Connector
      Illiniwek Forest Preserve
      Rock cut Rally
      Rock Cut State Park

      Northern Illinois Mountain Bike Routes

      titleratingdistance
      Sac Fox Main Loop
      Loud Thunder Forest Preserve
      5 miles
      Rock River Madness 10 mi Trail
      Lowell Park
      11 miles
      Rock River Madness 13 Mi Trail
      Lowell Park
      13 miles
      Rock River Madness 6 Mi Trail
      Lowell Park
      6 miles
      Geneseo Connector Trail
      Geneseo
      2 miles
      Johnson-Sauk Bike Route
      Johnson-Sauk Trail State Recreation Area
      3 miles
      Sylvan Island
      Sylvan Island Park
      3 miles

      Recent Ride Log Activity in Region

      Today
      • 1 rides
      Yesterday
      • 10 rides
      Past Week
      • 139 rides

      Photos of Northern Illinois Mountain Bike

      6 |
      Mar 5, 2024 @ 7:13pm
      Mar 5, 2024
      8 |
      Aug 27, 2023 @ 4:29pm
      Aug 27, 2023
      4 |
      Aug 27, 2023 @ 4:29pm
      Aug 27, 2023
      6 |
      Aug 27, 2023 @ 4:29pm
      Aug 27, 2023
      8 |
      Aug 27, 2023 @ 4:29pm
      Aug 27, 2023
      10 |
      Aug 27, 2023 @ 4:29pm
      Aug 27, 2023
      30 |
      Aug 19, 2023 @ 8:30am
      Aug 19, 2023
      trail: Not So Wee
      97 |
      Jun 22, 2023 @ 11:38am
      Jun 22, 2023

      Videos of Northern Illinois Mountain Bike

      youtuber RAW | Chasing Groms Down Rock and Roll |...

      4:23 | 54 | Nov 27, 2023
      youtuber Illinois' Only Lift Served Bike Park | Farside...

      11:19 | 41 | Oct 15, 2023
      Remi Ridge
      trail: Remi Ridge
      2:16 | 84 | Jun 15, 2023 , Hanover
      Not So Wee
      trail: Not So Wee
      2:04 | 78 | Jun 15, 2023 , Hanover
      Green Jump Line
      trail: Line Jump
      2:25 | 83 | Jun 15, 2023 , Hanover
      Green Downhill
      2:57 | 64 | Jun 15, 2023 , Hanover
      Rock And Roll
      2:37 | 93 | Jun 15, 2023 , Hanover
      A few sights and sounds of Fat Tire racing at...

      5:27 | 87 | Sep 9, 2022

      Current Trail Warnings

      Recent Trail Reports

      Activity Feed

      usernameactiontypetitledate
      breuer29addreportactivity #52879054 and 10 more
      May 20, 2024 @ 6:30am
      2 days
      breuer29addreportactivity #52537983 and 12 more
      May 13, 2024 @ 6:44am
      May 13, 2024
      breuer29addreportactivity #52368979
      May 10, 2024 @ 7:50am
      May 10, 2024
      breuer29addreportactivity #52368977
      May 10, 2024 @ 7:49am
      May 10, 2024
      breuer29addreportactivity #52368976
      May 10, 2024 @ 7:49am
      May 10, 2024

      Recent Comments

      usernametypetitlecommentdate
      darkins44trailBig WheelWow!!! This is my favorite trail in Illinois....
      Dec 11, 2023 @ 10:20am
      Dec 11, 2023
      ChristopherCFiawmtrailLong Prairie TrailNice trail of mixed surfaces. Decently...
      Jul 16, 2023 @ 5:48am
      Jul 16, 2023
      caandersonreportFreestyleMany of the trails in Rock Cut have eroded...
      Jul 11, 2023 @ 12:22pm
      Jul 11, 2023
      RatmeschertrailLine JumpRide arounds for everything. Most places would...
      Jun 24, 2023 @ 6:54pm
      Jun 24, 2023
      Tom1VYvZhtrailSassy SquirrelYo
      May 16, 2023 @ 9:33am
      May 16, 2023

      Local Badges


      Activity Type Stats

      activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
      Mountain Bike812599 miles15,538 ft169 miles561 ft
      1342,300723,321
      E-Bike429324 miles7,802 ft96 miles561 ft
      2,127191
      Horse384245 miles7,736 ft75 miles499 ft
      1521
      Hike2,0781,021 mile38,136 ft314 miles774 ft
      32,28941,532
      Trail Running1,330778 miles25,371 ft235 miles561 ft
      112,2891775
      Snowmobile126137 miles1,614 ft33 miles449 ft
      7
      Snowshoe312238 miles6,995 ft69 miles459 ft
      4914
      Nordic Ski655284 miles11,486 ft90 miles522 ft
      5112
      • By brenthillier NSMBA TRAILFORKS & contributors
      • Admins: PlumbBobM
      • #15735 - 8,421 views
      • northern illinois activity log | embed map of Northern Illinois mountain bike trails | northern illinois mountain biking points of interest polygons

      Downloading of trail gps tracks in kml & gpx formats is enabled for Northern Illinois.
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