What we're about

Alcosta Trail Riders is dedicated to the development and preservation of great mountain biking experiences to improve the health, environment and economy of Alameda and Contra Costa Counties through outreach, advocacy and stewardship. Kids rides, family rides, and trail work days.

Past events (5)

Earth Day Trail Maintenance at Lime Ridge

Lime Ridge Open Space

Lime Ridge Family Fun Ride

Lime Ridge Open Space

Holiday Ride and Potluck

Lime Ridge Open Space

Lime Ridge Open Space Ride

Lime Ridge Open Space

Photos (9)