One of the best places for bicycling is Marin County Just north of the Golden Gate Bridge on Highway 101 puts you in the heart of bicycling country.Ride your bicycle across the Golden Gate Bridge and view the magnificent San Francisco skyline.Ride along a mountain ridge and view the breathtaking Pacific coastline below you.Ride from Petaluma to the Golden Gate Bridge on a route designed especially for cyclists.Visit an old historic lighthouse and do some whale-watching while you're there.Ride your bicycle through the rural parts of Marin, along quiet, picturesque country roads.Have a picnic on one of Marin's magnificent coastal beaches. Get a panoramic view of the entire Bay Area from the bluffs of the Marin Headlands.Ride your mountain bike on the spectacular fire roads of Mount Tamalpais.All this awaits you - and much more Marin County Bike Trails includes 22 bike trips, with 25 alternate rides, ranging from 5 to 45 miles, and totaling over 600 scenic miles One-third of the rides are on dirt roads for those with mountain bikes.