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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
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
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Radar Time
      Park founded in 2018 from land donated by John Deere. The park was the original proving grounds developed for John Deere Dubuque Works and is now becoming a mountain biking destination. The park has 6.5 miles of dirt surface singletrack and 2 miles of grass trail. Grass trail names pay homage to the equipment tested at the site. Dirt surface trail names refer to testing procedures conducted by the John Deere product verification team.
      Primary Trail Type: Cross-Country
      eBikes Allowed: No
      Land Status: Regional Recreation Area
      Land Manager: Dubuque County Conservation Board
      Parking lot google parking directions
      Access Info:
      Parking lot off of W John Deere
      Activities Click to view
      Region Details
      • 1
      • 6
      • 8
      • 1
      • 2

      Region Status
      Open as of 3 days
      Local Trail Association

      Stats

      Avg Trail Rating
      Trails (view details)
      18
      Trails Mountain Bike
      18
      Trails Hike
      14
      Trails Trail Running
      14
      Trails Snowshoe
      4
      Trails Nordic Ski
      4
      Total Distance
      8 miles
      Total Descent Distance
      3 miles
      Total Descent
      1,000 ft
      Total Vertical
      205 ft
      Highest Trailhead
      840 ft
      Reports
      955
      Photos
      23
      Ridden Counter
      796

      Recent Ridelog Activity in Region

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

      Photos of Proving Grounds Mountain Bike

      trail: Drop & Catch
      73 |
      Oct 9, 2020 @ 9:09pm
      Oct 9, 2020
      trail: Drop & Catch
      74 |
      Oct 9, 2020 @ 9:09pm
      Oct 9, 2020
      trail: Drop & Catch
      77 |
      Oct 9, 2020 @ 9:09pm
      Oct 9, 2020
      trail: Dozer Drive
      76 |
      Aug 7, 2020 @ 6:43pm
      Aug 7, 2020
      149 |
      Jun 15, 2020 @ 6:45pm
      Jun 15, 2020
      169 |
      Jun 15, 2020 @ 6:43pm
      Jun 15, 2020
      180 |
      Jun 14, 2020 @ 6:41pm
      Jun 14, 2020
      trail: Hot Start
      152 |
      May 15, 2020 @ 10:25pm
      May 15, 2020

      Recent Trail Reports

      statustraildateconditionuserinfo
      Stump Grub
      May 10, 2021 @ 4:25pm
      3 days
      Variablechipkm TMBR Monitor A hiker left tracks on Sunday in the mud....
      Hot Start
      May 10, 2021 @ 4:24pm
      3 days
      Variablechipkm TMBR Monitor A biker left tracks in the mud on Sunday....
      Excavator Ridge
      May 10, 2021 @ 4:23pm
      3 days
      Variablechipkm TMBR Monitor
      Excavator Ridge Connector
      May 10, 2021 @ 4:23pm
      3 days
      Variablechipkm TMBR Monitor
      Heat Rise
      May 10, 2021 @ 4:23pm
      3 days
      Variablechipkm TMBR Monitor
      Panic Stop
      May 10, 2021 @ 4:23pm
      3 days
      Variablechipkm TMBR Monitor
      Push N Pry
      May 10, 2021 @ 4:23pm
      3 days
      Variablechipkm TMBR Monitor
      Rap Out
      May 10, 2021 @ 4:23pm
      3 days
      Variablechipkm TMBR Monitor
      Ride Control
      May 10, 2021 @ 4:23pm
      3 days
      Variablechipkm TMBR Monitor
      Rimpull
      May 10, 2021 @ 4:23pm
      3 days
      Variablechipkm TMBR Monitor

      Activity Feed

      usernameactiontypetitledate
      user #2151018chipkmaddreportBack Drag and 17 more
      May 10, 2021 @ 4:23pm
      3 days
      user #2699254Blittle20riddentrailBack Drag and 1 more
      May 10, 2021 @ 3:04pm
      3 days
      user #2151018chipkmaddreportBack Drag and 11 more
      May 9, 2021 @ 3:26pm
      May 9, 2021
      user #2151018chipkmaddreportBack Drag and 11 more
      May 9, 2021 @ 6:52am
      May 9, 2021
      user #2151018chipkmaddreportDozer Drive and 17 more
      May 8, 2021 @ 4:11pm
      May 8, 2021

      Recent Comments

      usernametypetitlecommentdate
      user #2013139makers1963trailRide ControlI could ride this forever
      Aug 7, 2020 @ 6:09pm
      Aug 7, 2020
      user #2013139makers1963trailHot StartVery very HOT ????
      Aug 7, 2020 @ 6:08pm
      Aug 7, 2020
      user #2013139makers1963trailRimpullGorgeous
      Aug 7, 2020 @ 6:07pm
      Aug 7, 2020
      user #2013139makers1963trailBack DragYes, yes,...and YES!! Fun
      Aug 7, 2020 @ 6:07pm
      Aug 7, 2020
      user #2013139makers1963trailStump GrubYou can fly without wings here!!
      Aug 7, 2020 @ 6:05pm
      Aug 7, 2020

      Nearby Areas

      namedistance
      Cloie Creek 3 24.3 km
      FDR Mountain Bike Park 2 14 36 km
      Heritage Trail8.6 km
      Interstate Power Preserve (IPP) 2 2 110.8 km
      Hirsch Farm 1 312.3 km

      Activity Type Stats

      activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
      Mountain Bike188 miles1,001 ft3 miles203 ft
      #3,667239553825
      Hike147 miles745 ft2 miles203 ft
      #5,71494512
      Trail Running147 miles745 ft2 miles203 ft
      #5,2709452
      Snowshoe42 miles118 ft2,444 ft187 ft
      #5959204
      Nordic Ski42 miles118 ft2,444 ft187 ft
      #238920
      • By MelodicTrailYogi & contributors
      • Admins: TMBR Monitor, TMBR
      • #28241 - 5,068 views
      • proving grounds activity log | embed map of Proving Grounds mountain bike trails | proving grounds mountain biking points of interest
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