This 5.7-mile loop visits SoCal's last wild river in Santa Margarita Canyon, a refuge hosting numerous species of endangered birds and plants.

This 8.4-mile circuit in Andrew Molera State Park showcases California's most prized natural assets--sandy beaches, killer sunsets, and giant redwoods.

Hike this rolling 5.8-mile loop on a weekday for quiet trails and frequent sightings of wild turkeys and deer.

This challenging, 6.8-mile out-and-back is a classic in spring when lush greenery and riotously colored wildflowers cover the Bay Area foothills.

Enjoy stellar views of San Francisco Bay, Alcatraz and the Angel Island on this 6-mile loop through Golden Gate National Recreation Area.

Before Napa Valley got its grapevine rep, the landscape likely resembled 2,000-acre Bothe-Napa Valley State Park, where redwoods shade this mellow 4.6-mile trail.

This 9.6-mile hike offers a tour of the Marin Headlands, then loops to include fine bluff views of San Francisco Bay and the Pacific. Bring extra clothes; the weather changes quickly.

This 5-mile loop wanders through huge redwood stands along the western slope of the Santa Cruz Mountains. Extend the trip with an overnight at a Sierra Club hut.

The 4-mile climb to Mt. Livermore is the most ambitious hike on Angel Island, the historic immigration station in the center of San Francisco Bay.

Revisit the Bay Area's ranching past on this mellow but view-packed 6.4-miler across the tawny hillsides of Rancho San Antonio Preserve.