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Trail Conditions
  • Unknown
  • Snow Groomed
  • Snow Packed
  • Snow Covered
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Ideal
  • 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
ATV/ORV/OHV Filter
Max Vehicle Width
inches

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
  • Ideal
  • 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
      Trail system accessed from the Quail Hill Trailhead.

      Some trails are only open on "Wilderness Access Day". Use this link for a schedule of upcoming trail openings.
      AKA: Shady Canyon, Quail Hill, Bommer Canyon
      Links
      Region Details
      • 3
      • 3
      • 9

      Region Status
      Caution as of Aug 3, 2020
      Local Trail Association

      Stats

      Avg Trail Rating
      Trails (view details)
      15
      Trails Mountain Bike
      15
      Trails Hike
      15
      Trails Trail Running
      15
      Total Distance
      19 miles
      Total Descent
      3,629 ft
      Total Vertical
      931 ft
      Highest Trailhead
      1,046 ft
      Reports
      59
      Photos
      39
      Ridden Counter
      1,707

      Irvine Open Space Mountain Bike Routes

      titleratingdistance
      18 mile Irvine Open Space All-Mountain Ridepopular ridelog18 miles

      Recent Ridelog Activity in Region

      Today
      • 4 rides
      • 42.5 km avg distance
      Yesterday
      • 2 rides
      • 33.5 km avg distance
      Past Week
      • 33 rides
      • 30.5 km avg distance

      Photos of Irvine Open Space Mountain Bike

      trail: Cattle Crest
      0 |
      Aug 5, 2020 @ 7:58pm
      3 days
      trail: Quail Trail
      69 |
      Jan 24, 2019 @ 4:06pm
      Jan 24, 2019
      trail: Quail Trail
      58 |
      Jan 24, 2019 @ 4:06pm
      Jan 24, 2019
      29 |
      Jul 25, 2018 @ 10:38am
      Jul 25, 2018

      Videos of Irvine Open Space Mountain Bike

      Bommer Canyon_Crystal Cove 2019-09-06
      3:19 | 128 | Jan 27, 2020 , Irvine
      Turtle Ridge DH Mountain Bike Trail - Bommer...
      4:39 | 237 | Jul 24, 2019 , Irvine
      Bommer Meadow Trail @ Bommer Canyon Park - ...
      1:53 | 120 | Jul 24, 2019 , Irvine

      Current Trail Warnings

      statustraildateconditionuserinfo
      Cattle Crest
      Jul 18, 2020 @ 3:13pm
      Jul 18, 2020
      DryemarquarTrail temporarily closed.
      Ridge Route
      Jul 18, 2020 @ 3:12pm
      Jul 18, 2020
      DryemarquarTrail temporarily closed
      East Fork
      Jul 18, 2020 @ 3:12pm
      Jul 18, 2020
      DryemarquarTrail temporarily closed.

      Recent Trail Reports

      statustraildateconditionuserinfo
      Shady Canyon
      Aug 3, 2020 @ 8:08pm
      Aug 3, 2020
      Very DryCodrguy
      Bommer Canyon
      Jul 19, 2020 @ 8:12am
      Jul 19, 2020
      Very DryJWalker44E-Bike
      Quail Trail
      Jul 19, 2020 @ 8:12am
      Jul 19, 2020
      DryJWalker44E-Bike
      Rabbit Run
      May 3, 2020 @ 1:47pm
      May 3, 2020
      DryKimchisupTrail closed until further notice
      Nature Loop
      Apr 21, 2020 @ 5:55pm
      Apr 21, 2020
      Drynippaoc
      Fox Run
      Feb 16, 2020 @ 12:08pm
      Feb 16, 2020
      DrytheherpsaladLoose and steep black sections towards...
      Turtle Ridge
      Dec 31, 2019 @ 10:52am
      Dec 31, 2019
      WetlittlewaveSmall wet patches, one mud patch, all on...
      Shady Canyon Bike Path
      Aug 4, 2018 @ 8:19am
      Aug 4, 2018
      Very Drysocalstokie
      Hogback Ridge
      Jul 21, 2018 @ 7:36am
      Jul 21, 2018
      Drydavidwheelock
      Bommer Meadow
      Jun 30, 2018 @ 12:37pm
      Jun 30, 2018
      DrybigalohaClean

      Activity Feed

      usernameactiontypetitledate
      user #1783326rpmcmurphyaddphoto in Roseville, California, United States
      Aug 5, 2020 @ 7:58pm
      3 days
      user #2208253CodrguyaddreportShady Canyon
      Aug 3, 2020 @ 10:57pm
      Aug 3, 2020
      user #1783326rpmcmurphywishlisttrailBommer Canyon and 1 more
      Aug 3, 2020 @ 5:23pm
      Aug 3, 2020
      user #2045598JWalker44addreportBommer Canyon and 1 more
      Jul 20, 2020 @ 7:21am
      Jul 20, 2020
      user #2220474NSTforYoMamavotetrailNature Loop
      Jul 19, 2020 @ 9:38am
      Jul 19, 2020

      Recent Comments

      usernametypetitlecommentdate
      user #1909757theherpsaladtrailFox RunOnly open on Wilderness Access Day. Second...
      Feb 16, 2020 @ 12:09pm
      Feb 16, 2020
      user #631739killerisationtrailEast ForkChallenging to ride down. Too steep to ride up.
      Sep 23, 2019 @ 12:57pm
      Sep 23, 2019
      user #572076bigalohatrailBommer Canyonlove the multiple bumps. not too loose
      Jun 30, 2018 @ 11:21am
      Jun 30, 2018
      user #1218588DemetivitrailTurtle RidgeFun trail, but I'd like it to loop with a...
      Sep 14, 2016 @ 2:16pm
      Sep 14, 2016
      • By ericfoltz TRAILFORKS & contributors
      • Admins: SHARE
      • #13181 - 1,885 views

      Downloading of trail gps tracks in kml & gpx formats is enabled for Irvine Open Space.
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