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Not sure if your membership expired?  CHECK HERE

Member benefits include: 

  • Industry discounts at places like TrailForks, ExpertVoice and SportRx
  • Early discounted access to amazing events like the Archipelago Ride and Mount Laguna Trail Fest
  • The knowledge you’re supporting the only organization working to improve bike access to trails in San Diego

Your membership allows SDMBA to:

  • Support advocacy efforts for new trails, existing trail improvements and bike parks
  • Fund trail restoration, maintenance, planning and development projects
  • Support operating costs including trail equipment, tools, insurance, planning and staff
  • Train, reward and nourish our hardworking trail volunteers
  • Plan events including the Arch Ride, Mt. Laguna Trail Fest and more
  • Ensure our trails community is engaged in building a legacy of legal trails in San Diego County 

Basic Annual Membership is only $49! VIP memberships also availalbe




Join or Renew by December 31, 2024 - Get a Chance to WIN

We want to reward YOU for your support! We have some awesome prizes to give away for our year-end membership campaign!  Four winners will be drawn on January 1, 2025.

Terms and Conditions







The San Diego Mountain Biking Association (SDMBA) is a volunteer-driven, non-profit organization dedicated to maintaining and improving sustainable trail access for mountain biking in San Diego County. Formed in 1994, SDMBA is one of the largest regional trail advocacy organizations in the US with more than 1,700 members. Below is a list of recent accomplishments and ongoing projects. The support of our members, donors and volunteers makes this progress possible. 

With your support, we can continue the momentum we have gained into 2025! 

In 2025, we will continue to drive our mission forward - Improve Trail Access, Encourage Stewardship and Build Community.

  • Implement planned trail projects and maintenance this winter and early spring at Daley Ranch, Penasquitos Canyon Preserve, Black Mountain, La Costa Preserve, Tri-Canyons, Mount Laguna, Florida Canyon, Cuyamaca Rancho State Park and more 
  • Push long term advocacy efforts for new trails and improvements at Black Mountain Open Space Park, Daley Ranch, Sycamore/Goodan Ranch, Sweetwater Reservoir Loop Trail, Otay Valley Regional Park, Boulder Oaks, US Fish and Wildlife San Diego National Wildlife Refuge, Cuyamaca Rancho State Park, Chula Vista Canyon Trails, Rancho Lilac and more
  • Encourage and support Bike Park development and planning with many jurisdictions around the county  
  • Monitor ebike opportunities and challenges with various agencies and jurisdictions and assisting land managers as they navigate evolving policies regarding ebikes
  • Engage in ongoing planning processes for long distance trails such as the Coast to Crest Trail, the Trans-County Trail and the San Diego River Trail with partners and stakeholders
  • Encourage mountain bikers to engage on local planning groups, Citizens Advisory and Trails committees and with elected officials to ensure our seat at the tables where trail decisions are made
  • Provide Trail Education/Etiquette materials and content to our entire trails community 
  • Be an active and engaged member organization of the California Mountain Biking Coalition     
  • Monitor issues in our county and regionally that may have impact to recreational access such as the proposed National Monument in San Diego County and other federal and state regulatory land use efforts
  • Join with our community partners such as Girlz Gone Riding and Sprockids to make cycling in San Diego more accessible and equitable for all people 
  • Plan for MTB community fun at the Archipelago Ride (May 3, 2025) and the Mount Laguna Trail Fest (October 17-19, 2025)
  • Advocate for more legal trails for all skill levels and experiences in San Diego County!

Wagon Wheel Crossing - Los Penasquitos Canyon Preserve


Caballo Trail Rebuild - Daley Ranch


JOIN SDMBA NOW AND SHOW YOUR LOVE FOR TRAILS IN SAN DIEGO!


Simply put, we could not do this without our members, volunteers and donors – the lifeblood of our organization. Thank you.


JOIN TODAY