The back country offers 18.6 miles of trails available to hikers.
The boat launch area and the park entrance/trail head are located off McKean Road. Traveling to the boat launch area from Central San Jose, take Almaden Expressway south to Harry Road. Turn right onto Harry Road, then left onto McKean Road. The reservoir is on the right, about three miles south of Harry Road. Traveling to the park on southbound Highway 101, use the Bernal Road exit in San Jose and turn right. Turn left onto Santa Teresa Boulevard, and right onto Bailey Road. Traveling on northbound Highway 101, take the Cochrane Road exit west in Morgan Hill, turn right onto Monterey Highway, then left onto Bailey Road and right on McKean Road. The boat launch ramp area is on your left.
http://www.tripleblaze.com/trail.php?c=3&i=7667