Mountain Bike Damage at Pleasanton Ridge Regional Park

Complain to: Board of Directors, East Bay Regional Park District, 2950 Peralta Oaks Court, Oakland, CA 94605-0381, 510-635-0135
Email Complaints
East Bay Regional Park District

Off-trail mountain biking near marker #22:
Off-trail mountain biking near marker #22

Off-trail mountain biking near marker #22 (detail of biker):
Off-trail mountain biking near marker #22 (detail of biker)

Mountain bike damage on singletrack portion of Sinbad Creek Trail ("model singletrack"): Mountain bike damage on singletrack portion of Sinbad Creek Trail ("model singletrack")

Off-trail mountain biking near Ridgeline Trail: Off-trail mountain biking near Ridgeline Trail

Off-trail mountain biking near Ridgeline Trail, in defiance of a clear sign: Off-trail mountain biking near Ridgeline Trail

Mountain Bike Damage at China Camp State Park

Complain to: China Camp State Park, Route 1, Box 244, San Rafael, CA 94901, 415-456-0766
Complain to: California Department of Parks and Recreation, P.O. Box 942896, Sacramento, CA 94296-0001, 916-653-6995
Email Complaints to California Department of Parks and Recreation
California Department of Parks and Recreation

Off-trail mountain biking on the south side of Turtle Back (which is completely closed to bikes): Off-trail mountain biking on the south side of Turtle Back

Off-trail mountain biking on top of Turtle Back (which is completely closed to bikes): Off-trail mountain biking on top of Turtle Back

More Information About Mountain Bike Damage, with Great Photos
More Information About the Harm Done by Mountain Biking