Tri-Valley is a triangle-shaped region in the eastern
San Francisco Bay Area. The area is 18 miles southeast of Oakland and 33 miles from San Francisco. It encompasses the cities of
Pleasanton,
Livermore,
Dublin,
San Ramon, and
Danville which includes
Alamo,
Blackhawk,
Camino Tassajara,
Diablo,
Norris Canyon, and
Sunol in the three valleys from which it takes its name:
Amador Valley,
Livermore Valley and
San Ramon Valley. The region is well known for its Mediterranean climate, wine region, historic downtown areas, high cost of living and fine dining. It is a primarily affluent suburban area with a population of about 360,000.