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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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      Marymoor Park, located on the north end of Lake Sammamish in Redmond, Washington, is King County's largest, oldest, and most popular park, with more than 3 million annual visitors coming to roam its 640 acres. Among recreational activities available are various sports facilities, rock climbing, a 40-acre off-leash dog park and a velodrome. It is also one end of the Sammamish River Trail, a biking and walking trail. In addition, a radio control aircraft flying field and a pet memorial garden are within the park's boundaries.
      RC Airfield Parking google parking directions
      Links
      Activities Click to view
      Region Details
      8 hike trails

      Region Status
      Open as of Mar 3, 2025
      Local Trail Association

      Hike Stats

      State Ranking
      #6,873
      Trails (view details)
      8
      Trails Mountain Bike
      2
      Trails E-Bike
      1
      Trails Hike
      8
      Trails Trail Running
      8
      Total Distance
      9 miles
      Total Descent Distance
      2 miles
      Total Descent
      226 ft
      Total Vertical
      348 ft
      Reports
      13
      Ridden Counter
      13

      Recent Ride Log Activity in Region

      Today
      • 0 hikes
      Yesterday
      • 0 hikes
      Past Week
      • 1 hikes

      Recent Trail Reports

      statustraildateconditioninfouser
      520 Trail
      Nov 10, 2024 @ 1:41pm
      Nov 10, 2024
      VariableMountain Bike theprofessionaljerry
      Marymoor Connector Trail
      May 24, 2024 @ 2:45am
      May 24, 2024
      WetMountain Bike lbfatboyslim

      Activity Feed

      usernameactiontypetitledate
      theprofessionaljerryaddreportactivity #61611673
      Nov 11, 2024 @ 8:31am
      Nov 11, 2024
      Lamar69addreportactivity #56863176
      Aug 7, 2024 @ 3:19pm
      Aug 7, 2024
      lbfatboyslimaddreportactivity #53090123
      May 24, 2024 @ 4:16pm
      May 24, 2024
      lukeyyQrC0riddentrailactivity #52804172
      May 18, 2024 @ 10:55pm
      May 18, 2024
      siranachronistriddentrailactivity #46661929 and 1 more
      Nov 25, 2023 @ 11:05am
      Nov 25, 2023

      Nearby Riding Areas

      namedistance
      Nike Park 2 21.7 km
      Hartman Park 7 1 12.1 km
      Bridle Trails State Park2.8 km
      Farrel McWhirter Park2.9 km
      Juel Community Park 13.1 km

      Activity Type Stats

      activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
      Mountain Bike26 miles213 ft2 miles348 ft
      131,132
      E-Bike15 miles210 ft1 mile344 ft
      11110
      Hike89 miles226 ft2 miles348 ft
      #6,8731374
      Trail Running89 miles226 ft2 miles348 ft
      #10,54613199
      • By chuktATF Pro TRAILFORKS NFTA & contributors
      • Admins: EMBA-C2S
      • #52007 - 697 views

      Downloading of trail gps tracks in kml & gpx formats is enabled for Marymoor Park.
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