San Diego Mountain Biking Association


Mission Statement

Improving trail access for mountain biking in San Diego County.


Over 1350 members have stepped up to help SDMBA make mountain biking and trails better for everyone in San Diego County. SDMBA advocacy volunteers provide a unified voice for trail users in public land use policies favoring sustainable outdoor recreational opportunities. Liaisons, trail builders, and other advocates seek out and build harmonious unified alliances and partnerships with businesses, land managers, and communities. Specialized volunteer-run programs support this mission and further inspire youth to explore and learn about nature and become its future stewards.

Program Details

Advocacy: Advocate for enhanced mountain biking opportunities and bike parks
Trails: Develop and improve trails
Education: Promote the sport of mountain biking through education
Fun: Build an engaged mountain biking community
Organization: Governance, Management, Finance, and Fund Development
Some of our Accomplishments:
  • New Trail! In the past three years, our volunteers have completed several miles of brand new trail for all of us to enjoy at Black Mountain, Pacific Highlands Ranch, and more.
  • Sweetwater Bike Park opened on January 4, 2020 with over 1000 people at the grand opening. This County of San Diego facility has quickly become one of the most popular amenities in the County. SDMBA provides volunteers and funding to help with operations of the park.
  • Black Mountain Open Space Park (City of San Diego): Over 5 miles of new trail including the Manzanita Loop which was completed in February 2017.  Shovels hit the ground in early December, 2018 on the new Black Widow Trail with completion in 2020.
  • Mother Miguel Trail Realignment work was started in the Fall of 2018 and will continue in partnership with the USFW San Diego Refuges. The lower alignments are completed along with progress on habitat restoration. 
  • Stowe Trail Connector open via permit from MCAS Miramar in cooperation with the US Marines and many community partners.
  • Cuyamaca Rancho State Park: Opened in September of 2015, the Cold Spring Trail features 3 miles of sustainable singletrack increasing connectivity in the park
  • Del Mar Mesa: the ½ mile Appendix has improved connectivity to adjacent trail systems. 4 ½ miles also authorized for bikes that was previously closed.
  • Tijuana River Valley: Access was authorized for cyclists on over 15 miles of trail that was previously closed to bikes.
  • City Heights Urban Trails - 1 mile of trail completed in Spring 2017 between 54th St. and Euclid Avenue and 1/4 mile of new trail in Swan Canyon in partnership with San Diego Canyonlands and the San Diego Urban Corps thanks to a grant from the San Diego Foundation. 
  • Maintenance and trail improvement projects were ongoing at Crestridge Ecological Reserve, Mission Trails Regional Park, Daley Ranch,Rancho Mission Canyon Park, Noble Canyon/Laguna, Penasquitos Canyon, Elfin Forest Recreational Reserve and more
  • 2017 Trail Stewardship Summit  - SDMBA, in partnership with the US Forest Service, IMBA, the County of San Diego held a 4 day educational trails summit in early November which was attended by over 100 trail volunteers, partners and agency staff.  Read more....
  • 2019 California Trails and Greenways Conference at Viejas Resort and Casino in Alpine, CA - SDMBA supported this annual event which attracts trail professionals and dedicated volunteers from around the state to share best practices and provide networking opportunities.
  • Volunteers! Organized over 90 trail work days since 2018 trail with over 400 volunteers logging almost 10,000 hours
  • Bike Tool Stations! 10 stations have been installed around town thanks to a grant from REI. Locations include San Dieguito River Park (2), Black Mountain (2), Mission Trails Regional Park, Daley Ranch, Elfin Forest Recreational Reserve, La Costa Preserve and Sweetwater Reservoir, Sycamore Goodan Ranch and Sweetwater Bike Park.   
Primary Issue
Secondary Issue
Climate Change
PO BOX 881491
San Diego, CA 92168
United States
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