Tri-Valley

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The Tri-Valley area is grouping of three valleys in the

The Ohlone tribe 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.^[5][6]

The area began to be developed when the Gold Rush ended. During this period, the area went from being marshland to agricultural.^[7]

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, especially Mt. 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.^[8]

Transportation

The Tri-Valley is serviced by

Two major highways, Interstates 580 and 680 cross the Tri-Valley area. Interstate 580 runs east-west, connecting the area to the Central Valley to the east and the North Bay area to the west. Interstate 680 runs north-south, connecting the area to the South Bay area in 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 by

Economy

The Tri-Valley is home to the corporate headquarters of many companies, including

Major employment centers include Bishop Ranch and Hacienda Business Park.

Lawrence Livermore National Laboratory and Sandia National Laboratories are also major employers in the region.

Recreation

The Tri-Valley features access to many recreational options, including

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

References