What we're about

CORBA (http://www.corbamtb.com/) 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 (http://www.IMBA.com)).

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.

Upcoming events (4+)

Free Basic Mountain Bike Skills Clinic

Needs a location

Presented by the Concerned Off Road Bicyclists Association (http://corbamtb.com/), the Introduction to Mountain Biking Skills Clinic is held the first Saturday of each month from 9:00 am to 12:00 pm in Malibu Creek State Park (http://www.venturacountytrails.org/TrailMaps/MalibuCreek/AreaTrails.htm). PLEASE ARRIVE NO LATER THAN 8:45 TO SIGN IN AND HAVE YOUR BIKE SAFETY-CHECKED.

The class is free of charge to all participants, please RSVP via MeetUp if possible. The class covers several skills including proper seated rider position, controlled braking and slow speed technical maneuvering, pedaling cadence/gear use, and proper riding position and technique for climbing, cornering, and descending. Also discussed are tips on backcountry preparedness, shared use etiquette, and simple maintenance tips.

For more information, and to see photos of previous clinics, visit http://corbamtb.com/programs/skills.shtml

Directions to Malibu Creek State Park (A cash fee is required to enter the park with a vehicle.)

From the San Fernando or Conejo Valleys, take the Ventura Freeway (101) to Calabasas, exit Las Virgenes Road/Malibu Canyon. Go south 3.5 miles. You will cross Mulholland Highway and go another 1/4 mile to the entrance to Malibu Creek State Park on the right.

From Santa Monica, take Pacific Coast Highway north to Malibu Canyon Road and turn Right. Go 6 miles to the park entrance on your left.

Once in the park, Look for the large parking lot on the left. This is where the group meets. There is usually a sign or someone in a CORBA shirt. If this lot is full or closed continue to the next one.

By signing up for this event, you agree to the terms of the Accident Waiver and Release of Liability, required by our insurer:


I acknowledge that this athletic event is an extreme test of a person's physical and mental limits and carries with it the potential for death, serious injury and property loss. The risks include, but are not limited to, those caused by terrain, facilities, temperature, weather, condition of athletes, equipment, vehicular traffic, actions of other people including, but not limited to, participants, volunteers, spectators, coaches, event officials, event monitors, and/or producers of event, and lack of hydration. These risks are not only inherent to athletics, but are also present for volunteers. I hereby assume all of the risks of participating and/or volunteering in this event. I realize that liability may arise from negligence or carelessness on the part of the persons or entities being released, from dangerous or defective equipment or property owned, maintained or controlled by them or because of their possible liability without fault.

I certify that I am physically fit, have sufficiently trained for participation in the event and have not been advised otherwise by a qualified medical person.

I acknowledge that this Accident Waiver and Release of Liability (AWRL) form will be used by the event holders, sponsors and organizers, in which I may participate and that it will govern my actions and responsibilities at said events.

In consideration of my application and permitting me to participate in this event, I hereby take action for myself, my executors, administrators, heirs, next of kin, successors, and assigns as follows: (A) Waive, Release and Discharge from any and all liability for my death, disability, personal injury, property damage, property theft or actions of any kind which may hereafter accrue to me or my traveling to and from this event, THE FOLLOWING ENTITIES OR PERSONS: Concerned Off-Road Bicyclists Association (CORBA), County of Los Angeles, California Department of Parks and Recreation, State of California and Castaic Lake State Recreation Area, their directors, officers, employees, volunteers, representatives, and agents, the event holders, event sponsors, event directors, event volunteers; (B) Indemnify and Hold Harmless the entities and persons mentioned in this paragraph from any and all liabilities or claims made by other individuals or entities as a result of any of my actions during this event.

I hereby consent to receive medical treatment which may be deemed advisable in the event of injury, accident and/or illness during this event.

I understand that at this event or related activities, I may be photographed. I agree to allow my photo, video or film likeness to be used for any legitimate purpose by the event holders, producers, sponsors, organizers and assigns,

I hereby certify that I have read this document; and I understand its content.

COSTAC Monthly Meeting

Needs a location

The Conejo Open Space Trails Advisory Council meets the first Monday of the month to discuss Conejo Open Space Conservation Agency trails issue. The public is welcome to attend.

For more information, visit https://conejo-openspace.org/about/costac/

There's no need to register for this event - just show up - but you can if you like.

Conejo Fall Trail Work Day and Lunch

Needs a location

Come and join us to fix up Conejo Valley's newest trail - the Wishbone Trail in Westlake! After a two year hiatus, we are able to get together again as a group to restore our local trails. Overdue for attention, the popular Wishbone Trail has had some growing pains over the past few years. Most of the work will be widening the trail where it has broken down on the outside edge, and also we will need to trim back some overgrowing brush.

Meet at the Westlake Village Community Park at 7:30 am to register and be ready to walk to the work area by 8. We will return at noon for a Thank You lunch. To speed up the sign-in process, we would appreciate it if you could register online in advance at https://cosf.org/events/register/

Thanks for registering in advance!

All tools will be provided, as well as instructions on how to use them safely and effectively, by experienced trail crew leaders. No experience needed - everyone works at a rate they're comfortable with and takes lots of rest breaks.

Wear sturdy hiking boots with good lugs, long pants, a long-sleeved shirt, sunglasses, sunblock and a hat, and bring water, snacks. Bring work gloves.

You can learn more about trail restoration work here https://corbamtb.com/programs/trail-crew.shtml
and here https://smmtc.org/trailwork/voltips.php

Parents/guardians are responsible for minors at all times, and they must constantly and directly supervise children under 14. Children must be over 7-years old to attend. Please, leave your 4-legged friends at home.

CORBA Board of Directors Meeting

Link visible for attendees

Our monthly CORBA Board of Directors meeting. All are welcome. Join us to discuss trail issues and access in the Santa Monica Mountains and great LA County area. We meet virtually using zoom.

Past events (526)

CORBA Board of Directors Meeting

This event has passed

Photos (3,575)