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CORBA is an all-volunteer non-profit organization serving the mountain bicycling community of Los Angeles and its surrounding areas including southern Ventura County. We are dedicated to preserving open space, maintaining public access to public lands, and creating more trail opportunities for all to enjoy. We are a chapter of the International Mountain Bicycling Association (IMBA).

We are passionate about mountain biking, public trails and preserving our public open space for future generations. CORBA is committed to ensuring equal access for all trail users, and to contributing to everyone's enjoyment of the trails. CORBA organizes and coordinates activities that support mountain biking recreation and that promote the conservation, administration and the maintenance of the public lands.

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Recent Meetups

  • 2 days ago · 8:00 AM


    2 Outdoors Enthusiasts

    THIS RIDE IS CANCELLED. This is a fun loop ride with lots of singletrack and switchbacks for your biking enjoyment. We’ll make our way over to the base of Rosewood at... Learn more
  • November 23 · 6:00 PM

    Board of Directors Meeting

    4 Outdoors Enthusiasts

    Monthly CORBA Board of Directors meeting. All are welcome. The location changes from month to month. If you are interested in attending, contact one of the event hosts ... Learn more
  • November 21 · 9:00 AM

    Beginner Ride: Chesebro to Overlook

    7 Outdoors Enthusiasts

    This ride is hosted by the North Ranch Mountain Bikers: We will begin with an easy to moderate climb up the Sulphur Springs trail to Shepherd’s Flat.  From... Learn more
  • November 15 · 8:30 AM

    Beginners Ride: Grasslands to the Dam

    7 Outdoors Enthusiasts | 5.00

    This ride is hosted by the North Ranch Mountain Bikers: Join us for a beginner and slow intermediate ride through beautiful Malibu Creek State Park to one... Learn more
  • November 8 · 7:45 AM

    Restore Ken Burton Trail - Day 2

    4 Outdoors Enthusiasts | 5.00

    We'll be riding in 7 miles, 2000' of climbing to the top of Brown Mountain. We'll need a few stronger riders to tow Bob trailers with tools. Bring Long Pants, a Long... Learn more
  • See all past Meetups

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Founded Oct 22, 2012

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