Bicycles may be ridden on designated bicycle trails, and on fire or service roads unless otherwise posted. No bicycles are allowed on Rocky Ridge View Trail.
From I-580 in Castro Valley, take Crow Canyon Road north to Bollinger Canyon Road. Turn left (north) onto Bollinger Canyon Road and follow it into the park. From I-680 in San Ramon, take Crow Canyon Road west to Bollinger Canyon Road, turn right (north) and follow it into the park.
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