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4,436 ft
Distance
29 ft
Climb
-67 ft
Descent
00:03:09
Avg time
-37 ft
Altitude change
770 ft
Altitude min
813 ft
Altitude max
813 ft
Altitude start
774 ft
Altitude end
-0.8%
Grade
-10.1%
Grade max
9.5%
Grade min
928 ft
Distance climb
1,969 ft
Distance down
1,486 ft
Distance flat
00:03:09
Avg time
BirdDog & North Loop Details
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Activities
- Mountain Bike
- Gravel Bike
- Winter Fat Bike
- Hike
- Trail Running
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Riding AreaWahlfield Park
Comstock Park, Michigan -
AKADouble Bird Dog
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Difficulty Rating
-
Local Popularity35 in Mountain Biking [+]
- 5 in Trail Running
- 5 in Hiking
- 5 in Winter Fat Biking
- 60 in Gravel Biking
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Global Ranking#294363 in Mountain Biking [+]
- #344452 in Trail Running
- #320295 in Hiking
- #16880 in Winter Fat Biking
- #4344 in Gravel Biking
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State Ranking#2,715 in Mountain Biking · Michigan [+]
- #4,602 in Trail Running
- #4,701 in Hiking
- #230 in Winter Fat Biking
- #28 in Gravel Biking
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Trail TypeSingletrack
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Bike TypeAM, XC, Fat, CX, Gravel
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Climb DifficultyGreen
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Physical RatingModerate
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Trail VisibilityAlways easy to follow
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Dogs AllowedYes
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eBike Allowed
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Year Opened2022
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Land OwnerKent County Parks
Connector between North Parking Lot and Woodchuck, Wild Onions, and main loop. Directional by day. North Loop is a 1.5 mile loop off the North Parking Lot for a shorter option. Built spring of 2026.
Local Trail Association
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Please consider joining or donating to the local trail association to supportDonate to earn trail karma!
trail development & maintenance.
Recent Activity on Trail
Past Week
- 1 rides
- 13 miles average
6 Months
- 21 rides
- 9 miles avg distance
All
- 58 rides
- Last: Sep 27, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
May | June | July | August |
September | October | November | December |
BirdDog & North Loop Trail Reports
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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)
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The colour categories are based on what percentage of users are riding a trail in its intended direction.
The colour categories are based on what percentage of users are riding a trail in its intended direction.
- > 96%
- > 90%
- > 80%
- > 70%
- > 50%
- < 50%
- bi-directional trail
- no data
Trail Last Used
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- < 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
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Trail Popularity ?
Trailforks scans activity logs 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.
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Activity Recordings
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Activity Recordings
Trailforks uses anonymized public activity data.
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Winter Trails
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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
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BC Backroad Status
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Slope Aspect
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Directions to birddog--north-loop trailhead
(43.092760, -85.692850)
Photos
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