Joseph D. Grant County Park features 6 miles of hiking trails near San Jose, CA.
The park is located on Mt. Hamilton Road in the Halls Valley, just east of the larger Santa Clara Valley. Travel to the park by taking Highway 101 or Highway 680 to Alum Rock Avenue eastbound in San Jose. Turn right onto Mt. Hamilton Road and travel eight miles to reach the park entrance
http://www.tripleblaze.com/trail.php?c=3&i=1060