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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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US Cell Coverage
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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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Only show trails with NO bikes.
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      No description for Angel Island has been added yet! Login or register to submit one.
      Activities Click to view
      Region Details
      • 3

      Region Status
      Open as of Aug 25, 2022

      Stats

      Trails (view details)
      3
      Trails Mountain Bike
      3
      Trails Hike
      3
      Trails Trail Running
      3
      Total Distance
      3 miles
      Total Descent Distance
      5,023 ft
      Total Descent
      210 ft
      Total Vertical
      648 ft
      Highest Trailhead
      781 ft
      Ridden Counter
      47

      Popular Angel Island Mountain Biking Trails

      statustitledifficultyrating
      North Ridge Trail
      Sunset Trail
      Sunset Trail

      Recent Ride Log Activity in Region

      Today
      • 0 rides
      Yesterday
      • 0 rides
      Past Week
      • 2 rides

      Activity Feed

      usernameactiontypetitledate
      mcgmattwishlisttrailactivity #55459039
      Jul 10, 2024 @ 9:10pm
      Jul 10, 2024
      mcgmattwishlisttrailactivity #45654222 and 2 more
      Oct 27, 2023 @ 6:41am
      Oct 27, 2023
      maddy03addtrailactivity #40830371
      Jun 11, 2023 @ 9:59am
      Jun 11, 2023
      maddy03addtrailactivity #40703212
      Jun 7, 2023 @ 9:51am
      Jun 7, 2023
      maddy03addtrailactivity #40677035
      Jun 6, 2023 @ 1:39pm
      Jun 6, 2023

      Nearby Areas

      namedistance
      Angel Island State Park0.1 km
      Marin Headlands 16 10 15 km
      The Presidio of San Francisco 605 km
      East Bay Waterfront 3 16.3 km
      Albany Park6.4 km

      Activity Type Stats

      activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
      Mountain Bike33 miles210 ft5,023 ft646 ft
      #6,11732
      Hike33 miles210 ft5,023 ft646 ft
      #5,92128
      Trail Running33 miles210 ft5,023 ft646 ft
      #6,10812
      • By maddy03 & contributors
      • Admins: A4B, MCBC
      • #58617 - 201 views

      Downloading of trail gps tracks in kml & gpx formats is enabled for Angel Island.
      You must login to download files.