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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 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
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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.
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      Lake Sammamish State Park is a park at the south end of Lake Sammamish, in King County, Washington, United States. The park, which is administered by the Washington State Park System, covers an area of 512 acres and has 6,858 feet of waterfront; Issaquah Creek meets with Lake Sammamish within the park.
      Parking google parking directions
      Activities Click to view
      Region Details
      • 3
      • 2
      • 5

      Region Status
      Caution as of Jan 20, 2024

      Stats

      Trails (view details)
      11
      Trails Mountain Bike
      10
      Trails E-Bike
      2
      Trails Horse
      1
      Trails Hike
      11
      Trails Trail Running
      11
      Total Distance
      5 miles
      Total Descent Distance
      4,426 ft
      Total Descent
      35 ft
      Total Vertical
      19 ft
      Highest Trailhead
      51 ft
      Reports
      11
      Photos
      1
      Ridden Counter
      300

      Photos of Lake Sammamish State Park Mountain Bike

      report
      7 |
      Jan 21, 2024 @ 11:26am
      Jan 21, 2024

      Recent Trail Reports

      statustraildateconditioninfouser
      Boat Launch
      Jan 20, 2024 @ 4:39am
      Jan 20, 2024
      Prevalent MudQuite muddy, large puddles with some...Qmcdonnell
      Issaquah Creek Trail
      Jan 21, 2024 @ 11:54am
      Jan 21, 2024
      WetTrail Running Prevalent mud throughout. 90% still...joracine
      Issaquah Creek (Beach)
      Jan 21, 2024 @ 11:52am
      Jan 21, 2024
      WetTrail Running Blocked by trees, fully unmaintained.joracine
      Homestead
      Jun 20, 2021 @ 3:39pm
      Jun 20, 2021
      DryNo access to Sammamish state parkAmbrosel

      Activity Feed

      usernameactiontypetitledate
      dave-dirtypropertywishlistrouteactivity #51307715
      Apr 17, 2024 @ 9:44am
      Apr 17, 2024
      aaronspruitaddreportactivity #45041093
      Oct 9, 2023 @ 6:08am
      Oct 9, 2023
      Wschnappwishlistrouteactivity #42691237
      Aug 7, 2023 @ 8:50pm
      Aug 7, 2023
      Nichrosevoterouteactivity #41413776
      Jul 1, 2023 @ 8:28am
      Jul 1, 2023
      Carguy337wishlistregionactivity #40163363
      May 21, 2023 @ 12:07pm
      May 21, 2023

      Recent Comments

      usernametypetitlecommentdate
      boxxeracetrailIssaquah Creek TrailNice add @yman98 Thanks!
      Nov 3, 2020 @ 8:50pm
      Nov 3, 2020

      Nearby Areas

      namedistance
      Lakemount Community Park 32.6 km
      Beaver Lake Park 12.8 km
      Lewis Creek Park 53.3 km
      Grand Ridge Park 13 14 13.7 km
      Duthie Hill Mountain Bike Park 15 7 5 73.8 km

      Activity Type Stats

      activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
      Mountain Bike104 miles30 ft3,645 ft20 ft
      #9,999#4,194111571
      E-Bike21,243 ft33 ft7 ft
      516
      Horse1774 ft33 ft
      Hike115 miles36 ft4,426 ft20 ft
      #8,945#4,05711210
      Trail Running115 miles36 ft4,426 ft20 ft
      #8,911#4,03311178
      • By markholloway Trailforks Map Team & contributors
      • Admins: WA-DNR, EMBA-C2S
      • #49051 - 1,150 views
      • lake sammamish state park activity log | embed map of Lake Sammamish State Park mountain bike trails | lake sammamish state park mountain biking points of interest

      Downloading of trail gps tracks in kml & gpx formats is enabled for Lake Sammamish State Park.
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