108 mi, 3 M, 6369 ft; Santa Inez/Black Mtn

Expect a smooth and scenic century! Start from Grant Park and Community Center, Los Altos to Crystal Springs, Lands' End, Presidio, Golden Gate Park, SFO, Hillsborough, Stanford and back for up to 108 miles. Options including e-Caltrain inbound. Start location: 1575 Holt Avenue, Los Altos, CA [Route/Map]