Log Ride
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2,592 ft
Distance
60 ft
Climb
-19 ft
Descent
00:04:59
Avg time
41 ft
Altitude change
572 ft
Altitude min
634 ft
Altitude max
593 ft
Altitude start
633 ft
Altitude end
1.6%
Grade
-6.3%
Grade max
13.5%
Grade min
1,007 ft
Distance climb
591 ft
Distance down
909 ft
Distance flat
00:04:59
Avg time
Derailer Details
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Activities
- Mountain Bike
- Hike
- Trail Running
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Riding AreaHenry's Ridge Open Space
Maple Valley, Washington -
Difficulty Rating
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Voted DifficultyBlue (1 vote)
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Local Popularity85 in Mountain Biking [+]
- 45 in Trail Running
- 80 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[+]Popular Direction Shown
- Downhill Primary for Trail Running
- Downhill Primary for Hiking
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Physical RatingModerate
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Dogs AllowedYes
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eBike Allowed
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TTFs on TrailBridge, Log Ride, Skinny
Technical trail that features the infamous Troll Bridge: a log-ride that takes you over a pond. If you fall in, you're getting wet If you choose not to attempt it, you can bail out before-hand onto Once Upon A Time via The Lorax. There is also an easier skinny, a raised ladder bridge with a turn, and plenty of obstacles to keep you busy.
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
- 68 rides
- 12 miles avg distance
All
- 927 rides
- Last: Jul 24, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
May | June | July | August |
September | October | November | December |
Derailer 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
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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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- 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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Trails are colored based on popularity. The more popular a trail is, the more red. Less popular trails trend towards green.
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BC Backroad Status
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Directions to derailer trailhead
(47.350970, -122.012370)
Photos
9 more »
Videos
2 more »
14:34 |
308 |
Mar 2, 2023 , Maple Valley
0:16 |
|
Apr 6, 2017 , Maple Valley
Routes with this trail
14 miles • 1,196 ft • 20 • Loop •
A fairly extensive tour of Henry's Ridge Open Space, that takes most blues and the few "blacks" from the...
6 miles • 484 ft • 11 • Out & Back •
A planned route of some of the fun things at Black Diamond/Henry's. Without focusing on the popular...
★ 3.0 • 15 miles • 976 ft • 50 • Point to Point •
This route hits all the advanced trails.
Trail Products
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Nearby Trails
- Bad Wolf 190 ft
- The Lorax 449 ft
- Gnomes Trail 1,257 ft
- Rabbit Hole 1,768 ft
- Once Upon A Time 1,831 ft
Henry's Ridge Open Space
- By overdrive47 & contributors
- #34232 - 3,139 views
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Frequently Asked Questions About Derailer
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Where is Derailer located?
Derailer is located in Henry's Ridge Open Space, Maple Valley, Washington, United States. It is part of the Henry's Ridge Open Space trail network. The trailhead is located at coordinates 47.35097, -122.01237.
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How hard is Derailer?
Derailer is rated as Black Diamond difficulty. The physical rating is Moderate. The average grade is 1.6%.
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What is the elevation gain for Derailer?
Derailer has 60 ft of elevation gain. The trail has 19 ft of elevation descent. The elevation ranges from 572 ft to 634 ft.
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Is Derailer a point to point trail?
Derailer is not a point to point trail. The direction is Downhill Primary. The trail type is singletrack.
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