Alternatively, hit the Glendale Narrows to bike along the Los Angeles River with awesome views over the San Gabriel Mountains; whiz along the Ballona Creek path connecting Culver City to the coast; rent a bike in Griffith Park and take a nine-mile loop around it, past LA Zoo, the observatory and the Greek Theater; tough cookies should try the hilly, 28-mile Donut in Palos Verdes; and people who want to see a beach without actually sitting on one ought to hit the scenic Long Beach bike path.