close
3D
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
Max Vehicle Width
inches
US Cell Coverage
Legend
cell carrier legend

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
      Challenging fireroad climbs
      Primary Trail Type: Cross-Country
      Activities Click to view
      Region Details
      • 3
      • 3
      • 4
      • 1

      Region Status
      Open as of Apr 20, 2025
      Local Trail Association

      Stats

      Avg Trail Rating
      Trails (view details)
      11
      Trails Mountain Bike
      12
      Trails E-Bike
      2
      Trails Horse
      2
      Trails Hike
      12
      Trails Trail Running
      12
      Trails Nordic Ski
      1
      Total Distance
      28 miles
      Total Descent
      4,092 ft
      Total Vertical
      3,005 ft
      Highest Trailhead
      3,368 ft
      Reports
      159
      Photos
      35
      Ridden Counter
      3,223

      Photos of Sierra Azul Open Space Preserve Mountain Bike

      49 |
      Sep 15, 2024 @ 12:30pm
      Sep 15, 2024
      14 |
      Apr 7, 2024 @ 3:36pm
      Apr 7, 2024
      trail: Kennedy
      160 |
      Mar 12, 2021 @ 10:53am
      Mar 12, 2021
      trail: Kennedy
      112 |
      Mar 12, 2021 @ 10:53am
      Mar 12, 2021
      trail: Kennedy
      104 |
      Mar 12, 2021 @ 10:53am
      Mar 12, 2021
      trail: Kennedy
      117 |
      Mar 12, 2021 @ 10:53am
      Mar 12, 2021
      trail: Kennedy
      88 |
      Mar 7, 2021 @ 10:31am
      Mar 7, 2021
      trail: Kennedy
      120 |
      Mar 7, 2021 @ 10:30am
      Mar 7, 2021

      Videos of Sierra Azul Open Space Preserve Mountain Bike

      UCXC
      trail: Kennedy
      3:10 | 1089 | Jan 9, 2015
      Felip Walker - Short Trail Edit
      trail: Kennedy
      0:35 | 637 | Oct 16, 2013
      Mt. Umunhum Trail
      trail: Mt Umunhum
      20:33 | 233 | May 27, 2023 , Los Gatos
      Sean Kennedy Promo
      trail: Kennedy
      2:12 | 293 | Jul 25, 2010
      youtuber Back Woods
      trail: Mt Umunhum
      36:12 | 167 | Oct 12, 2022 , Los Gatos
      Sean Kennedy Take Two
      trail: Kennedy
      0:17 | 410 | Jun 5, 2010
      Sean Kennedy
      trail: Kennedy
      0:20 | 437 | May 15, 2010
      Turkey Day 2021
      trail: Kennedy
      5:23 | 311 | Nov 30, 2021 , Los Gatos

      Recent Trail Reports

      Activity Feed

      usernameactiontypetitledate
      teosoftaddreportactivity #70136097
      Apr 22, 2025 @ 4:31am
      Apr 22, 2025
      jakeletourmy11riddentrailactivity #68728895
      Mar 30, 2025 @ 4:13pm
      Mar 30, 2025
      teosoftaddreportactivity #68334580
      Mar 24, 2025 @ 9:01am
      Mar 24, 2025
      Gezerriddentrailactivity #68227089
      Mar 22, 2025 @ 2:05pm
      Mar 22, 2025
      Kents3et7Pwishlisttrailactivity #67763631
      Mar 14, 2025 @ 4:26pm
      Mar 14, 2025

      Recent Comments

      usernametypetitlecommentdate
      Sbrodsky555trailWoods TrailCould we split this trail into 2 segments at...
      Jun 15, 2024 @ 5:33pm
      Jun 15, 2024
      ctgleasontrailSerenity TrailThis is a PG&E access road, not singletrack.
      May 28, 2022 @ 10:22am
      May 28, 2022
      spokesmanmtbtrailLimekiln - LowerI just separated the trail. It makes more...
      Aug 11, 2020 @ 7:50am
      Aug 11, 2020
      Highside915trailBarlow RoadBarlow road from woods. First .75mile to mile...
      Jul 19, 2020 @ 1:00pm
      Jul 19, 2020
      JphaggertrailKennedyLost my new shock pump out of my camelback on...
      Jun 12, 2020 @ 8:43pm
      Jun 12, 2020

      Activity Type Stats

      activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
      Mountain Bike1228 miles4,091 ft11 miles3,005 ft
      #4,741#2,1592715916,580
      E-Bike23 miles584 ft3 miles1,325 ft
      6132786
      Horse23 miles456 ft1 mile1,004 ft
      12
      Hike1228 miles4,091 ft11 miles3,005 ft
      #3,882#1,9852159387
      Trail Running1228 miles4,091 ft11 miles3,005 ft
      #3,897#1,987159268
      Nordic Ski14,442 ft98 ft1,601 ft223 ft
      • By jpravetz SCMTS Reporter & contributors
      • Admins: SVMTB
      • #20581 - 4,249 views
      • sierra azul open space preserve activity log | embed map of Sierra Azul Open Space Preserve mountain bike trails | sierra azul open space preserve mountain biking points of interest

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