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Trail Conditions
  • Unknown
  • Snow Groomed
  • Snow Packed
  • Snow Covered
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Dry
  • Very Dry
Trail 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%
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
ContributeDetails
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

LEGEND
Trail Difficulties
  • Access Road/Trail
  • White
  • Green
  • Blue
  • Black
  • Double Black Diamond

Trail Report Status
  • Clear / Green
  • Minor Issue / Yellow
  • Significant Issue / Amber
  • Closed

  • Land Owner Overlay
  • Wilderness (typically no bikes in USA)
  • BLM (public)
  • USFS (Wildlife sanctuaries darker than usfs)
  • State land
  • Indigenous
  • Military
Trail Conditions
  • Unknown
  • Snow Groomed
  • Snow Packed
  • Snow Covered
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Dry
  • Very Dry
  • Map Markers
  • trail Trail Head
  • photo Photo
  • place Directory Listing
  • region Riding Area
  • TTF TTF
  • Parking Parking
  • Viewpoint Viewpoint
  • Information Information
  • Warning Warning
  • Directions Directions
  • Sight Sight
  • Restrooms Restrooms
  • eBike Charging Point eBike Charging Point
  • Water Fountain/Source Water Fountain/Source
  • Gate Gate
  • Trail Sign Trail Sign
  • Table or Bench Table or Bench
  • Ladder Ladder
  • Stairs Stairs
  • Bridge Bridge
  • Camping Camping
  • Cabin Cabin
  • Lodge Lodge
  • Bear Cache Bear Cache
  • Dock Dock
  • Ranger Station Ranger Station
  • Summit Summit
  • Other Other
      The Northwest Open Space is a network of dirt roads and trails West of the I-5 in SJC. Lots of equestrian use.
      Primary Trail Type: Cross-Country
      Region Details
      • 1
      • 5
      • 6
      • 2

      Region Status
      Caution as of Apr 27, 2019 ago
      Local Trail Association
      local trail association
      (sharemtb.com)

      Stats

      Avg Trail Rating
      Global Ranking
      #3,625
      State Ranking
      #171
      Trails (view details)
      14
      Trails Mountain Bike
      14
      Trails Hike
      14
      Trails Trail Running
      14
      Total Distance
      12 miles
      Total Descent
      2,314 ft
      Total Vertical
      603 ft
      Highest Trailhead
      696 ft
      Reports
      11
      Photos
      252
      Ridden Counter
      313

      Photos of Northwest Open Space Mountain Bike

      0 |
      Sep 1, 2019 @ 10:57pm
      Sep 1, 2019
      0 |
      Sep 1, 2019 @ 10:57pm
      Sep 1, 2019
      2 |
      Sep 1, 2019 @ 10:57pm
      Sep 1, 2019
      0 |
      Sep 1, 2019 @ 10:57pm
      Sep 1, 2019

      Videos of Northwest Open Space Mountain Bike

      Sworx and Ridgeline Edit
      trail: Ridgeline
      1:48 | 201 | Jun 2, 2015
      The Ridgeline Edit 3]28]15
      trail: Ridgeline
      0:55 | 236 | Mar 28, 2015
      Mavic challenge
      trail: Foster
      2:27 | 344 | Aug 11, 2013
      Zach and Alec Shredding
      trail: Foster
      2:18 | 2275 | Jun 25, 2011

      Recent Trail Reports

      Activity Feed

      usernameactiontypetitledate
      user #980004MinoritchcommentreportColinas Ridge (South)
      Oct 6, 2019 @ 9:34am
      Oct 6, 2019
      user #1915644AlexunderMTBaddphoto in My City and 12 more
      Sep 1, 2019 @ 10:55pm
      Sep 1, 2019
      user #1897950PhoneczarriddentrailColinas Ridge (South) and 2 more
      Aug 17, 2019 @ 3:07pm
      Aug 17, 2019
      user #1891510jordangraskawishlisttrailColinas Ridge (South)
      Aug 16, 2019 @ 3:51pm
      Aug 16, 2019
      user #517445BobSteenriddentrailUpper Centipede and 1 more
      Aug 2, 2019 @ 4:33pm
      Aug 2, 2019

      Recent Comments

      usernametypetitlecommentdate
      user #980004MinoritchreportColinas Ridge (South)Nna
      Oct 6, 2019 @ 9:34am
      Oct 6, 2019
      user #572076bigalohatrailColinas Ridge (South)hard packed and rutted everywhere. good fun
      Jan 24, 2019 @ 9:24pm
      Jan 24, 2019
      user #572076bigalohatrailColinas Ridge Trail (Shea to Golden Lantern)hard pack with lots of erosion. still loads of...
      Jan 24, 2019 @ 9:23pm
      Jan 24, 2019
      user #1165531BobbyMarinotrailRidgelineReally short trail
      Jun 29, 2017 @ 8:29am
      Jun 29, 2017

      Local Products

      • By ericfoltz TRAILFORKS & contributors
      • Admins: SHARE
      • #12302 - 1,210 views

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