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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.
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
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.
Only show trails with NO bikes.
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

Access Info:
Parking lot off of W John Deere
Activities Click to view
- Mountain Bike
18 trails
- E-Bike
0 trails
- Hike
13 trails
- Trail Running
13 trails
- Snowshoe
6 trails
- Nordic Ski
6 trails
Region Details
- 1
- 6
- 8
- 1
- 2
Region Status
Closed as of 21 hoursStats
- Avg Trail Rating
- Trails (view details)
- 18
- Trails Mountain 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
- 1,004 ft
- Total Vertical
- 205 ft
- Highest Trailhead
- 840 ft
- Reports
- 2,278
- Photos
- 25
- Ridden Counter
- 1,541
Popular Proving Grounds Mountain Biking Trails
Proving Grounds Mountain Bike Routes
title | rating | distance |
---|---|---|
Race Route (Proposed) | 6 miles | |
Full route at Proving Grounds | 8 miles | |
Beginner/Intermediate Race Course race | 4 miles | |
Jurassic Jam MTB Race Route 2020 race | 5 miles |
Photos of Proving Grounds Mountain Bike
trail: Skidder Point
12 |
Feb 20, 2022 @ 8:08pm
Feb 20, 2022
trail: Skidder Point
21 |
Jan 21, 2022 @ 9:03am
Jan 21, 2022
trail: Drop & Catch
188 |
Oct 9, 2020 @ 9:09pm
Oct 9, 2020
trail: Drop & Catch
195 |
Oct 9, 2020 @ 9:09pm
Oct 9, 2020
trail: Drop & Catch
189 |
Oct 9, 2020 @ 9:09pm
Oct 9, 2020
trail: Dozer Drive
146 |
Aug 7, 2020 @ 6:43pm
Aug 7, 2020
trail: Scrape Rock Wall
284 |
Jun 15, 2020 @ 6:45pm
Jun 15, 2020
trail: Scrape Rock Wall
336 |
Jun 15, 2020 @ 6:43pm
Jun 15, 2020Current Trail Warnings
status | trail | date | condition | user | info |
---|---|---|---|---|---|
Heat Rise | May 18, 2022 @ 1:49am 21 hours | Prevalent Mud | chipkm TMBR Monitor | ||
Hot Start | May 18, 2022 @ 1:49am 21 hours | Prevalent Mud | chipkm TMBR Monitor | ||
Panic Stop | May 18, 2022 @ 1:49am 21 hours | Prevalent Mud | chipkm TMBR Monitor |
Recent Trail Reports
status | trail | date | condition | info | user |
---|---|---|---|---|---|
Ride Control | May 18, 2022 @ 1:49am 21 hours | Prevalent Mud | chipkm TMBR Monitor | ||
Rimpull | May 18, 2022 @ 1:49am 21 hours | Prevalent Mud | chipkm TMBR Monitor | ||
Scrape Rock Wall | May 18, 2022 @ 1:49am 21 hours | Prevalent Mud | chipkm TMBR Monitor | ||
Shakedown | May 18, 2022 @ 1:49am 21 hours | Prevalent Mud | chipkm TMBR Monitor | ||
Skidder Connector | May 18, 2022 @ 1:49am 21 hours | Prevalent Mud | chipkm TMBR Monitor | ||
Skidder Loop | May 18, 2022 @ 1:49am 21 hours | Prevalent Mud | chipkm TMBR Monitor | ||
Skidder Point | May 18, 2022 @ 1:49am 21 hours | Prevalent Mud | chipkm TMBR Monitor | ||
Stump Grub | May 18, 2022 @ 1:49am 21 hours | Prevalent Mud | chipkm TMBR Monitor | ||
Back Drag | May 18, 2022 @ 1:49am 21 hours | Prevalent Mud | chipkm TMBR Monitor | ||
Dozer Drive | May 18, 2022 @ 1:49am 21 hours | Prevalent Mud | chipkm TMBR Monitor |
Activity Feed
username | action | type | title | date | |
---|---|---|---|---|---|
![]() | chipkm | add | report | Back Drag and 17 more | May 18, 2022 @ 1:49am 21 hours |
![]() | typriest | wishlist | region | Proving Grounds | May 17, 2022 @ 10:45am 2 days |
![]() | Moiyster | wishlist | region | Proving Grounds | May 13, 2022 @ 1:52pm May 13, 2022 |
![]() | chipkm | add | report | Back Drag and 17 more | May 9, 2022 @ 5:49am May 9, 2022 |
![]() | chipkm | add | report | Dozer Drive and 17 more | May 8, 2022 @ 11:48am May 8, 2022 |
Recent Comments
username | type | title | comment | date | |
---|---|---|---|---|---|
![]() | trail | Contains one of my most favorite wall rides ever | Sep 5, 2021 @ 4:33pm Sep 5, 2021 | ||
![]() | trail | Super fun trail, some of the step downs can be... | Sep 5, 2021 @ 4:32pm Sep 5, 2021 | ||
![]() | report | Does anyone know if these trails are ok to... | Aug 11, 2021 @ 11:54am Aug 11, 2021 | ||
![]() | trail | I could ride this forever | Aug 7, 2020 @ 6:09pm Aug 7, 2020 | ||
![]() | trail | Very very HOT ???? | Aug 7, 2020 @ 6:08pm Aug 7, 2020 |
Nearby Areas
name | distance | ||||
---|---|---|---|---|---|
Cloie Creek | 3 | 2 | 4.3 km | ||
FDR Mountain Bike Park | 2 | 14 | 3 | 6 km | |
Heritage Trail | 8.6 km | ||||
Interstate Power Preserve (IPP) | 2 | 2 | 1 | 10.8 km | |
Hirsch Farm | 1 | 3 | 12.3 km |
Bike & Skill Parks
name | type | city | rating |
---|---|---|---|
Daniel's Den | skill park | Dubuque |
Activity Type Stats
activitytype | trails | distance | descent | descent distance | total vertical | rating | global rank | state rank | photos | reports | routes | ridelogs |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mountain Bike | 18 | 8 miles | 1,004 ft | 3 miles | 203 ft | #2,206 | #1,130 | 25 | 2,278 | 4 | 1,074 | |
Hike | 13 | 7 miles | 669 ft | 2 miles | 203 ft | #3,655 | #1,795 | 2,268 | 16 | |||
Trail Running | 13 | 7 miles | 669 ft | 2 miles | 203 ft | #3,668 | #1,797 | 2,268 | 1 | |||
Snowshoe | 6 | 2 miles | 164 ft | 3,107 ft | 187 ft | #335 | #186 | 2,232 | 5 | |||
Nordic Ski | 6 | 2 miles | 164 ft | 3,107 ft | 187 ft | #235 | #143 | 2,232 |
- By MelodicTrailYogi
& contributors
- Admins: TMBR Monitor, TMBR
- #28241 - 7,616 views
- proving grounds activity log | embed map of Proving Grounds mountain bike trails | proving grounds mountain biking points of interest
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