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997 ft
Distance
-68 ft
Descent
00:01:30
Avg time
-70 ft
Altitude change
1,187 ft
Altitude min
1,257 ft
Altitude max
1,257 ft
Altitude start
1,188 ft
Altitude end
-7%
Grade
-24.2%
Grade max
-1%
Grade min
997 ft
Distance down
00:01:30
Avg time
Four Pipe Details
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Activities
- Mountain Bike
- E-Bike
- Winter Fat Bike
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Riding AreaSpirit Mountain
Duluth, Minnesota -
Difficulty Rating
-
Local Popularity35 in Mountain Biking [+]
- 5 in E-Biking
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Global Ranking
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Winter only trail
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Trail TypeMachine Groomed
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Bike TypeFat
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SeasonFat Bike Sunday's only
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Alpine TrailYes
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eBike Allowed
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Land Owner
The top portion of Four Pipe has a "bike only" lane and is not a multi-use portion of the trail. This quick section will lead you to the multi-use ski runs or to the top of Calculated Risk.
Bike Park
Traditionally Indigenous Territory
Recent Activity on Trail
Past Week
- 0 rides
6 Months
- 32 rides
- 21 miles avg distance
All
- 115 rides
- Last: Jun 7, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
May | June | July | August |
September | October | November | December |
Four Pipe 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 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
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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 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.
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ATV/ORV/OHV Filter
Max Vehicle Width
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US Cell Coverage
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Activity Recordings
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Winter Trails
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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 riders jump on trails. Zoom in to see individual jumps, click circles to view jump details.
BC Backroad Status
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Slope Aspect
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Directions to four-pipe trailhead
(46.716360, -92.220560)
Photos
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Nearby Trails
- 7 Bridges Trl 39 ft
- All Weather Trail - Upper 82 ft
- Sprung A Leak 82 ft
- Wrecking Ball 118 ft
- Sour Dough Sam 135 ft
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Frequently Asked Questions About Four Pipe
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Where is Four Pipe located?
Four Pipe is located in Spirit Mountain, Duluth, Minnesota, United States. It is part of the Spirit Mountain trail network. The trailhead is located at coordinates 46.71636, -92.22056.
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How hard is Four Pipe?
Four Pipe is rated as Green difficulty. The average grade is 7%.
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What is the elevation gain for Four Pipe?
The trail has 68 ft of elevation descent. The elevation ranges from 1,187 ft to 1,257 ft.
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How long is Four Pipe?
Four Pipe is 997 ft long. The trail type is machine groomed.
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