758 ft
Distance
-33 ft
Descent
00:03:06
Avg time

Semper Dirticus Details

  • Activities
    • Mountain Bike
  • Riding Area
    Duthie Hill Mountain Bike Park
    Issaquah, Washington
  • AKA
    Dirt Corps
  • Difficulty Rating
    Double Black Diamond rate
  • Voted Difficulty
    Double Black Diamond (10 votes)
  • Trail Type
    Singletrack
  • Bike Type
    DH, AM, DJ
  • Direction
    Downhill Only
  • Physical Rating
    Moderate
  • Dogs Allowed
    Yes
  • eBike Allowed
    No
  • TTFs on Trail
    Bridge, Drop, Jump, Gap Jump, Wallride, Other
  • Ride in Rain
    Yes
  • Global Ranking
    #83 in Mountain Biking
  • Local Popularity
    100 in Mountain Biking

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
Traditionally Indigenous Territory
More Stats for Semper Dirticus mountain bike trail trail
  • Altitude change
    -33 ft
  • Altitude min
    432 ft
  • Altitude max
    465 ft
  • Altitude start
    465 ft
  • Altitude end
    433 ft
  • Grade
    -4.4%
  • Grade max
    -9.5%
  • Grade min
    -1.7%
  • Distance down
    758 ft
  • Avg time
    00:03:06
  • Avg reverse time
    00:09:02
  • view trail stats
Status:
on Jul 31, 2023
Ideal
Avg: 4.55 (36 votes)
Your vote: 0

view (59,833)
close
  • Basemap 
3D
Trail Conditions
  • Unknown
  • Snow Groomed
  • Snow Packed
  • Snow Covered
  • Snow Cover Inadequate
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Ideal
  • Dry
  • Very Dry
Trail Flow (Ridden Direction)
Trailforks scans users ridelogs 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 riders are riding a trail in its intended direction.
  • > 96%
  • > 90%
  • > 80%
  • > 70%
  • > 50%
  • < 50%
  • bi-directional trail
  • no data
Trail Last Ridden
Trailforks scans ridelogs 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 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. Think of this as a heatmap, more rides = more kinetic energy = warmer colors.
  • most popular
  • popular
  • less popular
  • not popular
ATV/ORV/OHV Filter
Max Vehicle Width
inches

Radar Time
x Activity Recordings
Trailforks users anonymized public ridelogs from the past 6 months.
  • mountain biking recent
  • mountain biking (>6 month)
  • hiking (1 year)
  • moto (1 year)
Activity Recordings
Trailforks users anonymized public skilogs from the past 12 months.
  • Downhill Ski
  • Backcountry Ski
  • Nordic Ski
  • Snowmobile
Winter Trails
Warning A routing network for winter maps does not exist. Selecting trails using the winter trails layer has been disabled.
x 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 riders jump on trails. Zoom in to see individual jumps, click circles to view jump details.
Trails Deemphasized
Trails are shown in grey.
disable
Only show trails with NO bikes.
enable

Save the current map location and zoom level as your default home location whenever this page is loaded.

Save
      Directions to semper-dirticus trailhead (47.577060, -121.979680)
      update trails status or condition

      Semper Dirticus Trail Reports

      statusdatedescription
      Jul 31, 2023 @ 12:31pm
      Jul 31, 2023
      		 Not sure why someone listed it as closed. Semper is running AMAZING and was open on the friday before the park closed. Paramount is getting...
      Jul 30, 2023 @ 12:20pm
      Jul 30, 2023
      		Features still being fixed
      Jul 26, 2023 @ 6:39pm
      Jul 26, 2023
      		 King County Parks is closing Duthie THIS Saturday 7/29 through Monday 7/31 for park maintenance!
      Jul 20, 2023 @ 10:58am
      Jul 20, 2023
      May 29, 2023 @ 3:30am
      May 29, 2023
      view all reports » 1 social media mentions

      Recent Ridelog Activity on Trail

      Past Week
      • 56 rides
      • 10 miles avg distance
      6 Months
      • 2,323 rides
      • 9 miles avg distance
      All
      • 20,204 rides
      • Last: Sep 26, 2023

      Photos

      more »
      503 |
      Jul 15, 2017 @ 12:11am
      Jul 15, 2017
      298 |
      Apr 10, 2017 @ 1:12pm
      Apr 10, 2017
      1,809 |
      Feb 3, 2012 @ 10:53pm
      Feb 3, 2012
      4,318 |
      May 24, 2010 @ 6:06pm
      May 24, 2010
      | 15 comments

      Trail Lists

      Trail Products

      Reviews / Comments

      No reviews yet, be the first to write a review or ask a question.
      Use trail reports to comment on trail conditions.


      We hope you've been enjoying Trailforks!

      Create a FREE account to view trail comments and much more.

      Create a Free Account

      Videos

      more »
      Clearing Semper Dirticus for the 1st time
      9:18 | 198 | May 20, 2023 , Issaquah
      youtuber Semper Dirticus
      8:28 | 345 | Jul 23, 2022 , Issaquah
      Semper Dirticus - Duthie Hill MTB Park [4K]
      0:55 | 632 | May 15, 2022 , Issaquah
      Campbell Duthie Bike Day 4k
      3:36 | 203 | May 7, 2022 , Issaquah

      Nearby Trails

      Duthie Hill Mountain Bike Park

      • By Robinhoods & contributors
      • #17323 - 11,678 views
      • subscribe
      • flag
      • login to download gpx or kml files.