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978 ft
Distance
-42 ft
Descent
00:02:50
Avg time
-43 ft
Altitude change
424 ft
Altitude min
466 ft
Altitude max
466 ft
Altitude start
423 ft
Altitude end
-4.4%
Grade
-10.4%
Grade max
-0.5%
Grade min
889 ft
Distance down
89 ft
Distance flat
00:02:50
Avg time
Semper Dirticus Details
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Activities
- Mountain Bike
- E-Bike
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Riding AreaDuthie Hill Mountain Bike Park
Issaquah, Washington -
AKADirt Corps
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Difficulty Rating
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Voted DifficultyDouble Black Diamond (10 votes)
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Local Popularity100 in Mountain Biking [+]
- 100 in E-Biking
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Global Ranking
-
State Ranking
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Trail ExposureHigh Risk
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Trail TypeSingletrack
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Bike TypeDH, AM, DJ
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Physical RatingModerate
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Trail VisibilityAlways easy to follow
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Dogs AllowedYes
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eBike Allowed
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TTFs on TrailBerm, Bridge, Drop, Jump, Gap Jump, Wallride, Other
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Ride in RainYes
Advanced trail with lots of wooden structures. Features a drop-in platform, various jumps, drops, an on-off box, and a wallride. A true freeride line.
Access Info
Trail entrance (the large wooden drop-in structure) is located at the end of the flow-park walk-up, to the right of the step-up platform.
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
- 13 rides
- 8 miles average
6 Months
- 958 rides
- 9 miles avg distance
All
- 6,947 rides
- Last: Nov 2, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
May | June | July | August |
September | October | November | December |
Semper Dirticus Trail Reports
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1 social media mentions
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3D
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.
?
Activity Recordings
Trailforks uses anonymized public activity data.
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Winter Trails
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A routing network for winter maps does not exist. Selecting trails using the winter trails layer has been disabled.
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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Service Road Atlas is a free to use, community-driven service for viewing and creating reports on the numerous back-country service roads around B.C. and Alberta.
Slope Aspect
Direction the slope faces
Trails Deemphasized
Trails are shown in grey.
Only show trails with no bike usage.
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Directions to semper-dirticus trailhead
(47.577190, -121.979790)
Photos
202 more »
Videos
64 more »
mtb
0:53 |
482 |
May 24, 2025 , Issaquah
mtb
0:36 |
159 |
Dec 23, 2024 , Issaquah
mtb
0:43 |
324 |
Sep 6, 2024 , Issaquah
mtb
5:45 |
202 |
Jun 16, 2024 , Issaquah
Trail Lists
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Dirt Corps Trails
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