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  • Double Black Diamond

Trail Report Status
  • Clear / Green
  • Minor Issue / Yellow
  • Significant Issue / Amber
  • Closed or Major Issue / Red
Trail Conditions
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  • Snow Packed
  • Snow Covered
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  • Icey
  • Prevalent Mud
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  • Variable
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  • Map Markers
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  • photo Photo
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  • TTF TTF
  • Parking Parking
  • Viewpoint Viewpoint
  • Information Information
  • Warning Warning
  • Directions Directions
  • Water Fountain/Source Water Fountain/Source
  • Sight Sight
  • Restrooms Restrooms
  • Gate Gate
  • Camping Camping
  • Trail Sign Trail Sign
  • Table or Bench Table or Bench
  • Other Other
      Santiago Oaks and exterior trails at Irvine Regional Park remain closed. Trespassers subject to citation (OCCO 2-5-46).
      Additional volunteer opportunities will be posted as scheduled here.

      Park is at the end of Jamboree. Mostly dirt roads and horse trails. Park is directly adjacent to Santiago Oaks.
      Primary Trail Type: Cross-Country
      Region Details
      • 11
      • 1

      Local Trail Association
      local trail association
      (sharemtb.com)

      Stats

      Avg Trail Rating
      Trails
      12
      Total Distance
      7 miles
      Total Descent Distance
      4 miles
      Total Descent
      646 ft
      Highest Trailhead
      814 ft
      Total Vertical
      304 ft
      Reports
      24
      Photos
      11
      Ridden Counter
      402

      Recent Trail Reports

      traildateuser
      Barham Ridge ST (South)
      Nov 22, 2017 @ 8:56pm
      Nov 22, 2017
      chuktA SIMBA TRAILFORKS Lemhi
      Blair Witch
      Nov 22, 2017 @ 8:56pm
      Nov 22, 2017
      chuktA SIMBA TRAILFORKS Lemhi
      Great Egret
      Nov 22, 2017 @ 8:56pm
      Nov 22, 2017
      chuktA SIMBA TRAILFORKS Lemhi
      Horseshoe Loop North
      Nov 22, 2017 @ 8:56pm
      Nov 22, 2017
      chuktA SIMBA TRAILFORKS Lemhi
      Horseshoe Loop Trail
      Nov 22, 2017 @ 8:56pm
      Nov 22, 2017
      chuktA SIMBA TRAILFORKS Lemhi
      more reports »

      Current Trail Warnings

      traildateinfo
      Barham Ridge ST (South)
      Nov 22, 2017 @ 8:56pm
      Nov 22, 2017
      Trail Closed for fire rehab. Updates:...
      Blair Witch
      Nov 22, 2017 @ 8:56pm
      Nov 22, 2017
      Trail Closed for fire rehab. Updates:...
      Great Egret
      Nov 22, 2017 @ 8:56pm
      Nov 22, 2017
      Trail Closed for fire rehab. Updates:...
      Horseshoe Loop North
      Nov 22, 2017 @ 8:56pm
      Nov 22, 2017
      Trail Closed for fire rehab. Updates:...

      Photos of Irvine Regional Park Mountain Bike

      trail: Blair Witch
      100 |
      Jan 19, 2016 @ 4:30pm
      Jan 19, 2016
      | 1 comments Blair Witch, Orange
      trail: Willow
      199 |
      Dec 16, 2010 @ 10:22pm
      Dec 16, 2010
      Willow, Glendale
      trail: Willow
      228 |
      Dec 16, 2010 @ 10:19pm
      Dec 16, 2010
      Willow, Glendale
      trail: Willow
      716 |
      Dec 16, 2010 @ 10:16pm
      Dec 16, 2010
      | 1 comments Willow, Glendale
      more photos »

      Irvine Regional Park Mountain Bike Routes

      titleratingdistance
      Santiago Oaks Loop
      8 miles

      Recent Comments

      usernametypetitlecommentdate
      user #1034331bbartter2342trailBlair Witch9 O mo i9 I'm ii Konig kiiu ok iiii9 io io I...
      Apr 28, 2017 @ 6:36pm
      Apr 28, 2017
      more »

      Recent Activity

      usernameactiontypetitledate
      user #1316655carlosgarcia367addridelogDec 3, 2017 ride log
      Dec 3, 2017 @ 10:22am
      Dec 3, 2017
      user #627246chuktAupdateregionIrvine Regional Park
      Nov 22, 2017 @ 8:58pm
      Nov 22, 2017
      user #627246chuktAaddreportBarham Ridge ST (South) and 11 more
      Nov 22, 2017 @ 8:56pm
      Nov 22, 2017
      user #1256885niicwishlistrouteSantiago Oaks Loop
      Nov 12, 2017 @ 1:13am
      Nov 12, 2017
      user #1305389robjgrifwishlisttrailPuma Ridge
      Nov 7, 2017 @ 2:11am
      Nov 7, 2017
      view more »

      Nearby Riding Areas

      namedistance
      Santiago Oaks 3 9 4 11.2 km
      Peter's Canyon Regional Park 2 21.8 km
      Weir Canyon Regional Park 33 km
      Chino Hills State Park 4 16 17.6 km
      Cleveland National Forest 1 17 7 410.1 km

      Local Products


      more »
      • By ericfoltz TRAILFORKS & contributors
      • Admins: apply
      • #12345 - 710 views

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