Tri-Valley

Tri-Valley
Area of theEast Bay
Tri-Valley Landscape
Tri-Valley location in California
Tri-Valley Location in the United States
Coordinates:37°39′45″N121°52′29″W
Population
• Total	361,000
Time zone	UTC-8(Pacific Time Zone)
• Summer (DST)	UTC-7(PDT)

TheTri-Valleyarea is grouping of three valleys in theEast Bayregion ofCalifornia'sBay Area.The three valleys areAmador Valley,San Ramon Valley,andLivermore Valley.The Tri-Valley encompasses the cities ofDublin,Livermore,PleasantonandSan Ramon,the town ofDanvilleand theCDPsofAlamo,BlackhawkandDiablo.The area is known for its Mediterranean climate, wineries, and nature. It is primarily suburban in character. TheUnited States Census Bureaudefines anurban areacentered in the cities ofLivermore,Pleasanton,andDublinwith a 2020 population of 240,381, ranked167th in the United Statesin terms of population.The total population of the area is estimated to be 361,000.It offers more affordable living accommodations than the cities of San Francisco and San Jose.

History

TheOhlonetribe settled the area circa 2000 BC, particularly in the northern part of Pleasanton. In AD 1772, however, Spanish settlers involved with the nearby mission work at Mission San Jose restructured the Ohlone way of life.

The area began to be developed when theGold Rushended. During this period, the area went from being marshland to agricultural.

Climate

The climate of the Tri-Valley is mild. Most rain falls in the winter. Snow almost never occurs, although it sometimes falls on the tops of surrounding mountains, especiallyMt. Diablo.Summer days are in the 80s to over 100 °F, but nights are often cool. In winter, daytime temperatures reach the 50s and 60s, while nights are in the 30s and 40s, dipping on rare occasions into the 20s. Mean annual rainfall ranges from about 14 in (360 mm) in Livermore to 23 in (580 mm) in Alamo.

Transportation

The Tri-Valley is serviced byWHEELS,operated by the Livermore Amador Valley Transit Authority (LAVTA), a bus agency that operates local bus service throughout Livermore, Pleasanton and Dublin, including service toHacienda Business Park,Lawrence Livermore National Laboratory,Las Positas College,Stoneridge Mall,the West Dublin/Pleasanton BART Station and theDublin/Pleasanton BART station.

Two major highways, Interstates580and680cross the Tri-Valley area. Interstate 580 runs east-west, connecting the area to the Central Valley to the east and theNorth Bay areato the west. Interstate 680 runs north-south, connecting the area to theSouth Bay areain the south, and the Concord-Walnut Creek area in the north. The two interstates cross on the border of Dublin and Pleasanton.

The Tri-Valley area is also serviced byBART,offering service to the rest of theSan Francisco Bay Areavia two stops:West Dublin/Pleasantonand theDublin/Pleasantonterminus station.The West Dublin/Pleasanton Station opened in 2011, and was the first infill station on an existing line. In 2018, BART cancelled plansto extend the line to Livermore. However, the Tri-Valley–San Joaquin Valley Regional Rail Authority is in the planning processfor a rail connection between BART, ACE, and the San Joaquin Valley called theValley Link.

Corporate office buildings at the intersection of I-580 and I-680

Economy

The Tri-Valley is home to the corporate headquarters of many companies, including10X Genomics,24 Hour Fitness,Architectural Glass and Aluminum,Bay Area News Group,Blackhawk Network Holdings,CallidusCloud,Chevron,The Cooper Companies,Discovery Toys,Ellie Mae,GE Digital,Gillig Corporation,Patelco Credit Union,Prosoft Engineering,Ross Stores,SafeAmerica Credit Union,Safeway,Shaklee,TriNet,Veeva Systems,Visioneer,WANdisco,The Wine Group,Product10x Accelerator, Salestable andWorkday.

Major employment centers includeBishop RanchandHacienda Business Park.

Lawrence Livermore National LaboratoryandSandia National Laboratoriesare also major employers in the region.

Aerial view of Schaefer Ranch Park in Dublin, CA

Recreation

The Tri-Valley features access to many recreational options, includingAlviso Adobe Community Park,Blackhawk Museum,Brushy Peak Regional Preserve,Del Valle Regional Park,Dublin Hills Regional Park,Eugene O'Neill National Historic Site,Forest Home Farms,Iron Horse Regional Trail,Las Trampas Regional Wilderness,Little Hills Picnic Ranch,Livermore Valley Wine Country,Morgan Territory Regional Preserve,Mount Diablo State Park,Pleasanton Ridge Regional Park,Shadow Cliffs Regional Recreation Areaand The Wave Waterpark.

See also

• East Bay (San Francisco Bay Area)
• Tri-Valley Community Television
• Livermore Valley AVA