San Jose, California Francisco Bay. Santa Clara Valley is the population center of the Bay Area and, like the hub and spokes of a wheel, surrounding communities emanate outwards from the valley. This growth, in part, has shaped the greater Bay Area as it is today in terms of geographic population distribution and the trend of suburbanization away from the valley. There are four distinct valleys in the city of San Jose: Almaden Valley, situated on the southwest fringe of the city; Evergreen Valley to the southeast, which is hilly all throughout its interior; Santa Clara Valley, which includes the flat, main urban
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