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174 ft
Distance
00:00:32
Avg time
2 ft
Altitude change
581 ft
Altitude min
583 ft
Altitude max
581 ft
Altitude start
584 ft
Altitude end
1.1%
Grade
0.7%
Grade max
1.9%
Grade min
33 ft
Distance climb
85 ft
Distance flat
00:00:32
Avg time
Broken Arm Details
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Activities
- Mountain Bike
- Hike
- Trail Running
-
Riding AreaBlack Diamond Open Space
Maple Valley, Washington -
Difficulty Rating
-
Local Popularity45 in Mountain Biking [+]
- 45 in Trail Running
- 45 in Hiking
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Trail TypeSingletrack
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Bike TypeAM, XC
-
DirectionBoth Directions[+]Popular Direction Shown
- Both Directions for Trail Running
- Both Directions for Hiking
-
Dogs AllowedYes
-
eBike Allowed
Trail Supporters
Evergreen Mountain Bike AllianceMaintainer
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
- 21 rides
- 6 miles avg distance
All
- 1,080 rides
- Last: Aug 31, 2026
Broken Arm 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)
Trailforks scans users activity logs to determine the most popular direction each trail is ridden. A good flowing trail network will have most trails flowing in a single direction according to their intension.
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.
- Description
- 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.
- most popular
- popular
- less popular
- not popular
ATV/ORV/OHV Filter
Max Vehicle Width
inches
US Cell Coverage
Legend
Radar Time
Activity Recordings
Trailforks uses anonymized public activity data.
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Activity Recordings
Trailforks uses anonymized public activity data.
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Winter Trails
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Missing Trails
Most Popular
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
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
Trails Deemphasized
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Directions to broken-arm trailhead
(47.338290, -122.009370)
Photos
7 more »
Videos
3 more »
mtb
0:18 |
341 |
Sep 30, 2011 , Maple Valley
mtb
2:20 |
604 |
Oct 9, 2011 , Maple Valley
mtb
0:29 |
4028 |
Jul 27, 2011 , Maple Valley
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Nearby Trails
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Black Diamond Open Space
- By overdrive47 & contributors
- #34018 - 2,409 views
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