Winchester, San Jose Winchester, San Jose The Winchester area of San Jose, California gains its name from early resident Sarah Lockwood Winchester, a Connecticut native and heiress to fifty percent ownership of the Winchester Repeating Arms Company, who built the famous Winchester Mystery House. Located between San Tomas Expressway and State Route 17/Interstate 880, and between the city's borders with Santa Clara and Campbell, centered on Winchester Blvd. Winchester is one of the West Valley neighborhoods, with West San Jose to the west and Burbank and the Rose Garden to the east. It is the home to the Westfield Valley Fair, and Santana
San Jose, California (which separate the South Bay from the Pacific Coast) flowing north through San Jose, ending in the San Francisco Bay at Alviso. Along the southern part of the river is the neighborhood of Almaden Valley, originally named for the mercury mines which produced mercury needed for gold extraction from quartz during the California Gold Rush as well as mercury fulminate blasting caps and detonators for the U.S. military from 1870 to 1945. East of the Guadalupe River, Coyote Creek also flows to south San Francisco Bay and originates on Mount Sizer near Henry W. Coe State Park and the surrounding