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1.2 miles
Distance
3 ft
Climb
-288 ft
Descent
00:19:29
Avg time
-287 ft
Altitude change
674 ft
Altitude min
962 ft
Altitude max
962 ft
Altitude start
676 ft
Altitude end
-4.7%
Grade
-28.4%
Grade max
3.7%
Grade min
118 ft
Distance climb
1 mile
Distance down
456 ft
Distance flat
00:19:29
Avg time
Doc Nobbs Details
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Activities
- Mountain Bike
- Hike
- Trail Running
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Riding AreaHarlow Lake
Marquette, Michigan -
Difficulty Rating
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Voted DifficultyDouble Black Diamond (6 votes)
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Local Popularity40 in Mountain Biking [+]
- 5 in Trail Running
- 45 in Hiking
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Global Ranking
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State Ranking
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Hiking SAC ScaleT1 Hiking
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Trail TypeSingletrack
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Bike TypeDH, AM
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DirectionDownhill OnlyPopular Direction Shown
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Physical RatingHard
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Dogs AllowedYes
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eBike Allowed
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TTFs on TrailBerm, Drop, Jump, Rock Face, Rock Garden, Roller Coaster, Wallride
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Land OwnerMichigan DNR
No community description for Doc Nobbs trail has been added yet!
AI Generated Description
Doc Nobbs is a highly rated 1 mile moderately popular double black diamond difficulty singletrack trail located near Marquette Michigan. It has rock slabs. This mountain bike primary trail can be used downhill only and has a hard overall physical rating. It features berm, drop, jump, rock face, rock garden, roller coaster and wallride. On average it takes 19 minutes to complete this trail.
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.
Traditionally Indigenous Territory
Recent Activity on Trail
Past Week
- 0 rides
6 Months
- 17 rides
- 17 miles avg distance
All
- 89 rides
- Last: Oct 20, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
May | June | July | August |
September | October | November | December |
Doc Nobbs 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
Trailforks scans activity logs 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.
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- Photos
- Description & Photos
- Videos
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.
Think of this as a heatmap, more activities = more kinetic energy = warmer colors.
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- popular
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ATV/ORV/OHV Filter
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Activity Recordings
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Activity Recordings
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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 users jump on trails. Zoom in to see individual jumps, click circles to view jump details.
BC Backroad Status
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Slope Aspect
Direction the slope faces
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Directions to doc-nobbs trailhead
(46.618450, -87.506440)
Photos
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Videos
3 more »
3 Reviews & Comments
linden44
Fast, flowy sections linking chunky, slabby, techy bits that will require a scout the first time down. But everything rolls quite well once you know which line to take. One of my favorite trails in the Marquette area.
bpsmpls
This trail is gnarly. There's a lot of single-black portions, but if you ride all the A-lines of the first section, it's definitely a firm double black. The right-side descent turn line before the big rock face looks like a real bruiser, enough that there are no videos of anyone riding it. Great trail top to bottom.
XU12XU
Fun trail. Definitely not pro-line level. Should be double black to match the area. Would be an easier single black in Squamish for reference
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