Sierra Azul are to Almaden's west and south. Notable neighborhoods within Almaden Valley include New Almaden and Calero. Mount Umunhum, in the Sierra Azul, is the former site of the Almaden Air Force Station. Almaden Valley includes all the areas within the 95120 zip code. Parks Almaden Valley is home to over 15 parks including 3 county parks, 3 lakes, 1 regional park, 1 open space preserve and several neighborhood parks: Almaden Lake Regional Park Almaden Meadows Park Almaden Quicksilver County Park Almaden Reservoir Calero Lake and County Park Carabelle Park Cathedral Park Glenview Park Greystone Park Guadalupe Oak Grove Park Guadalupe Reservoir County Park Jeffrey Fontana Park Parma Park Rancho San Vicente Open Space Preserve Singer Park T J Martin Park Trails Almaden Valley is home to an expansive trail system, including: Los Alamitos Creek Trail is a 9.4-mile out-and-back trail Almaden Lake Loop Trail, a 1.4-mile trail Almaden Quicksilver County Park, 4163 acres with several trails across the park Calero Creek Trail and Mine Trail, 18 miles of unpaved hiking trails Guadalupe Creek Trail, is a 1.7-mile trail Mount Umunhum trail, a 7.7 mile trail in the Sierra Azul Open Space Preserve to the summit of the mountain Senador Mine Trail, Mine Hill Trail, and Castillero Trail, a 12.7 mile trail Webb Canyon, New Almaden, Cinnabar, Mine Hill, Randol and Prospect #3 Loop Trail, a 5.4-mile trail New Almaden, Mine Hill and Guadalupe Trail Loop, a 13.6-mile loop trail Also notably, Bay Area Ridge Trail, the 550-mile hiking, cycling, and equestrian trail being built on the ridgelines around all of San Francisco Bay Area includes Almaden Valley's Los Alamitos Creek Trail, Calero Creek Trail, Mount Umunhum Trail and Almaden Quicksilver County Park. Economy Integral to Silicon Valley, Almaden is home to numerous high tech companies. It is notably home to the IBM Almaden Research Center, which has played an important role in the discovery and development of new technologies. Government Almaden Valley is part of District 10 in the legislative structure of the San Jose City Council and is represented by councilmember and Silicon Valley technology executive Arjun Batra. Arjun Batra is the first Indian-American councilmember for Almaden Valley and District 10, and the first for San Jose since Ash Kalra left in 2016 to serve as the first Indian-American on the California State Legislature. Prior to this, Matt Mahan, was the council member representing Almaden Valley and