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
La Casa Primera de Rancho San Jose families, and a staged wedding ceremony with the principals and guests dressed in period costume. The site was added to the National Register of Historic Places in 1975. The building is operated as a museum by the Historical Society of Pomona Valley. La Casa Primera de Rancho San Jose La Casa Primera de Rancho San Jose is a historic adobe structure built in 1837 in Pomona, California. It is the oldest home located in the Pomona Valley and in the old Rancho San Jose land grant. It was declared a historic landmark in 1954 and added to the National Register