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        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: Yes
        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
        • 7
        • 2
        • 2

        Region Status
        Caution as of Jun 24, 2026
        Local Trail Association

        Stats

        Avg Trail Rating
        Trails (view details)
        18
        Trails Mountain Bike
        18
        Trails E-Bike
        18
        Trails Hike
        13
        Trails Trail Running
        13
        Trails Snowshoe
        6
        Trails Nordic Ski
        6
        Total Distance
        8 miles
        Total Descent Distance
        3 miles
        Total Descent
        984 ft
        Total Vertical
        205 ft
        Highest Trailhead
        840 ft
        Reports
        10,218
        Photos
        36
        Ridden Counter
        3,758

        Popular Proving Grounds Mountain Biking Trails

        100 4.7 3,507 ft 40 ft 244
        Highly rated popular blue difficulty singletrack. This multi-use trail can be used both directions. On average it takes 5 minutes to complete this trail.
        90 4.7 1 mile 156 ft 227
        Highly rated popular blue difficulty singletrack. This multi-use trail can be used both directions. On average it takes 9 minutes to complete this trail.
        100 4.8 712 ft 0 ft 224
        Popular blue difficulty singletrack. This mountain bike primary trail can be used one direction. On average it takes minutes to complete this trail.
        100 4.8 614 ft 0 ft 223
        Popular blue difficulty singletrack. This mountain bike primary trail can be used one direction. It features jump. On average it takes 1 minutes to complete this trail.
        65 3.0 2,254 ft 16 ft 218
        Moderately popular green difficulty wilderness trail. This multi-use trail can be used both directions and has a easy overall physical rating with a 16 ft green climb. Trail visibility is always easy to follow. On average it takes 5 minutes to complete this trail.
        70 4.6 2,100 ft 3 ft 217
        Popular black diamond difficulty singletrack. This mountain bike primary trail can be used one direction. It features berm, drop and jump. On average it takes 3 minutes to complete this trail.
        85 3.0 453 ft 0 ft 213
        Popular green difficulty wilderness trail. This multi-use trail can be used both directions. On average it takes minutes to complete this trail.
        95 4.6 1,762 ft 22 ft 208
        Popular blue difficulty singletrack. This mountain bike primary trail can be used one direction. It features berm and jump. Trail visibility is always easy to follow. On average it takes 3 minutes to complete this trail.

        Recent Ride Log Activity in Region

        Today
        • 0 rides
        Yesterday
        • 6 rides
        Past Week
        • 21 rides

        Proving Grounds Mountain Bike Routes

        5.0 8 miles 857 ft 23
        Good way to run all the fun and gnarly parts of Proving Grounds
        5 miles 479 ft 12
        Proposed option for routing race without SRW or D&C
        6 miles 669 ft 17
        Proposal for IMBCS Race. Route does not cross over itself

        Photos of Proving Grounds Mountain Bike

        156 |
        Dec 4, 2023 @ 4:49pm
        Dec 4, 2023
        118 |
        Dec 4, 2023 @ 4:49pm
        Dec 4, 2023
        126 |
        Dec 4, 2023 @ 4:49pm
        Dec 4, 2023
        120 |
        Dec 4, 2023 @ 4:48pm
        Dec 4, 2023
        111 |
        Dec 4, 2023 @ 4:48pm
        Dec 4, 2023
        100 |
        Dec 4, 2023 @ 4:48pm
        Dec 4, 2023
        111 |
        Dec 4, 2023 @ 4:48pm
        Dec 4, 2023
        134 |
        Dec 4, 2023 @ 4:48pm
        Dec 4, 2023
        122 |
        Jun 22, 2023 @ 11:37am
        Jun 22, 2023
        113 |
        Jun 22, 2023 @ 11:37am
        Jun 22, 2023
        121 |
        Feb 20, 2022 @ 8:08pm
        Feb 20, 2022
        134 |
        Jan 21, 2022 @ 9:03am
        Jan 21, 2022

        Videos of Proving Grounds Mountain Bike

        youtuber Proving Grounds | Dubuque, Iowa

        9:22 | 214 | Mar 31, 2024
        youtuber Proving Grounds | Dubuque, Iowa

        9:22 | 152 | Mar 31, 2024
        Dozer Drive trail at Proving Grounds in...
        0:43 | 206 | Jun 26, 2023 , Dubuque
        Back Drag at Proving Grounds

        3:22 | 147 | Jun 26, 2023
        Proving Grounds: Trail review of Dubuque, Iowa

        17:19 | 212 | Sep 9, 2022

        Recent Trail Reports

        Activity Feed

        usernameactiontypetitledate
        chipkmaddreportactivity #97724876 and 18 more
        Jun 24, 2026 @ 2:38pm
        Jun 24, 2026
        chipkmaddreportactivity #97599885 and 18 more
        Jun 22, 2026 @ 7:29pm
        Jun 22, 2026
        chipkmaddreportactivity #97558092
        Jun 22, 2026 @ 6:43am
        Jun 22, 2026
        chipkmaddreportactivity #97524198 and 18 more
        Jun 21, 2026 @ 3:10pm
        Jun 21, 2026
        chipkmaddreportactivity #97385120 and 18 more
        Jun 20, 2026 @ 5:40am
        Jun 20, 2026

        Recent Comments

        usernametypetitlecommentdate
        darkins44trailPush N PryNow this is a trail! Sessioned this trail to...
        Jun 20, 2023 @ 11:49am
        Jun 20, 2023
        SamLandautrailRide ControlContains one of my most favorite wall rides ever
        Sep 5, 2021 @ 4:33pm
        Sep 5, 2021
        SamLandautrailDrop & CatchSuper fun trail, some of the step downs can be...
        Sep 5, 2021 @ 4:32pm
        Sep 5, 2021
        Chrisp686reportPush N PryDoes anyone know if these trails are ok to...
        Aug 11, 2021 @ 11:54am
        Aug 11, 2021
        makers1963trailRide ControlI could ride this forever
        Aug 7, 2020 @ 6:09pm
        Aug 7, 2020

        Nearby Areas

        namedistance
        Cloie Creek 3 24.3 km
        FDR Mountain Bike Park 2 14 46 km
        Heritage Trail8.6 km
        Interstate Power Preserve (IPP) 2 2 110.8 km
        Hirsch Farm 6 6 412.3 km

        Activity Type Stats

        activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
        Mountain Bike188 miles984 ft3 miles203 ft
        #2,617#9133610,21842,748
        E-Bike188 miles984 ft3 miles203 ft
        #5,671#1,5758,33231
        Hike137 miles656 ft2 miles203 ft
        #11,327#4,55610,20774
        Trail Running137 miles656 ft2 miles203 ft
        #10,493#3,92310,2076
        Snowshoe62 miles154 ft3,228 ft187 ft
        #1,061#52610,1706
        Nordic Ski62 miles154 ft3,228 ft187 ft
        #1,099#47910,170

        Frequently Asked Questions About Proving Grounds

        What are the highest rated mountain biking trails in Proving Grounds?
        The highest rated mountain biking trails in Proving Grounds are: View all mountain biking trails sorted by rating.
        What is the best time of the year to ride in Proving Grounds?
        Based on ride log data, the most popular months to ride in Proving Grounds are:
        • July (27 activities)
        • August (18 activities)
        • September (14 activities)
        Check the Proving Grounds reports page for current trail conditions, recent trail reports, and seasonal information from the local community.
        Where can I park to ride in Proving Grounds?
        There are 1 parking locations listed in Proving Grounds. The most popular parking spots are:
        What is the longest trail in Proving Grounds?
        The longest trail in Proving Grounds is Ride Control at 1.2 miles. View all trails sorted by distance.
        • By FroDaddyDBQTF Pro TMBR Monitor TMBR & contributors
        • Admins: TMBR Monitor, TMBR, TMBR Monitor, TMBR
        • #28241 - 19,636 views

        Downloading of trail gps tracks in kml & gpx formats is enabled for Proving Grounds.
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