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1,345 ft
Distance
38 ft
Climb
-8 ft
Descent
00:02:13
Avg time
29 ft
Altitude change
284 ft
Altitude min
323 ft
Altitude max
284 ft
Altitude start
315 ft
Altitude end
2.1%
Grade
-5.2%
Grade max
11.6%
Grade min
866 ft
Distance climb
367 ft
Distance down
62 ft
Distance flat
00:02:13
Avg time
Ol' Dirty Details
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Activities
- Mountain Bike
- Hike
- Trail Running
-
Riding AreaBydalen
Sundsvall -
Difficulty Rating
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Local Popularity85 in Mountain Biking [+]
- 70 in Trail Running
- 5 in Hiking
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Global Ranking
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Trail TypeSingletrack
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Bike TypeAM, XC
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DirectionDownhill Primary
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Dogs AllowedYes
No community description for Ol' Dirty trail has been added yet!
AI Generated Description
Ol' Dirty is a 410 m popular red difficulty singletrack trail located near Sundsvall. This mountain bike primary trail can be used downhill primary. On average it takes 2 minutes to complete this trail.
This trail is unsanctioned.
Traditionally Indigenous Territory
Recent Activity on Trail
Past Week
- 0 rides
6 Months
- 3 rides
- 11 miles avg distance
All
- 31 rides
- Last: Jul 20, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
May | June | July | August |
September | October | November | December |
Ol' Dirty 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 Ridden
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
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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.
Think of this as a heatmap, more activities = more kinetic energy = warmer colors.
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- popular
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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
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BC Backroad Status
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Directions to ol--dirty trailhead
(62.424120, 17.323040)
Photos
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Videos
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Routes with this trail
★ 5.0 • 10 miles • 987 ft • 23 • Loop •
Tekniskt och fysiskt utmanande runda som innehåller många av Bydalens guldkorn.
6 miles • 474 ft • 5 • Loop •
Start och mål på parkeringen vid Bosvedjan/Bydalen elljusspår
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Frequently Asked Questions About Ol' Dirty
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Where is Ol' Dirty located?
Ol' Dirty is located in Bydalen, Sundsvall, Sweden. It is part of the Bydalen trail network. The trailhead is located at coordinates 62.42412, 17.32304.
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How hard is Ol' Dirty?
Ol' Dirty is rated as Red difficulty. The average grade is 2.1%.
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What is the elevation gain for Ol' Dirty?
Ol' Dirty has 38 ft of elevation gain. The trail has 8 ft of elevation descent. The elevation ranges from 284 ft to 323 ft.
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Is Ol' Dirty a point to point trail?
Ol' Dirty is not a point to point trail. The direction is Downhill Primary. The trail type is singletrack.
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