Tri-Valley

The Tri-Valley is an area in the outer East Bay in northern California.

Cities

There are five main cities and towns in the Tri-Valley. In the south are the cities of Pleasanton and Livermore, and in the north are the cities of Dublin and San Ramon and the town of Danville.

37.714167-121.91251 Dublin
37.6725-121.88252 Pleasanton
37.685556-121.7641673 Livermore
37.78-121.9780564 San Ramon
37.821667-1225 Danville

Other destinations

Sycamore Grove Park is a Livermore park with sycamore groves and abandoned buildings.
Brushy Peak, north of Livermore, is a mountain at an elevation around 1,700 feet.
Pleasanton Ridge is a regional park to the west of Pleasanton

Understand

Location

The Tri-Valley is in the East Bay region of California, consisting of these valleys:

Livermore Valley - the main valley of the Tri-Valley, which includes Pleasanton, Dublin, and Livermore
Amador Valley - section of the Livermore Valley around the Stoneridge Mall area
San Ramon Valley - to the north of the Amador Valley, the San Ramon Valley includes the city of San Ramon

People

Although Tri-Valley is quite densely populated, the mountainous terrain around it is almost uninhabited.

History

In the 1800s, European settlement of the region began with some unimportant buildings in the Dublin area. In 1850, Pleasanton became the first incorporated city in the region. Then, in 1869, Livermore became the second. In 1982-83, Dublin, San Ramon, and Danville also became incorporated.

The movie industry came to the area in the early 1900s (in particular Pleasanton), but it moved completely to Southern California once talkies began to dominate.

Climate

The area, due to its Mediterranean climate, is good wine country. Vineyards are abundant in the south side of the Tri-Valley.

Get in

I-580, I-680, and CA-84 highways go to the region. These roads, however, can be become very busy at almost any time of year.

The Altamont Commuter Express has a train station in Pleasanton, and BART has a station at the edge of Pleasanton and Dublin.

Get around

There are major roads around the area, making travel relatively easy. There are two freeways (interstate highways), the I-580 and the I-680, along with a California State Route, the CA-84.

The Iron Horse Trail biking and walking path goes through the Tri-Valley.

See and do

Del Valle Regional Park, an East Bay Regional Park, is one of the region's main attractions. The park goes around Lake Del Valle, a reservoir that was built about fifty years ago. There are numerous trails that go through the hills and mountains around the lake, including one that goes almost directly below some Bryce-like cliffs. Del Valle Park is also a useful gateway for reaching other local parks and wilderness areas, including the Ohlone Regional Wilderness, which goes for more than 20 miles (32 km) into some of the remotest parts of the Diablo Range and even California in general. Other East Bay Regional Parks in the Tri-Valley and surrounding areas include Morgan Territory Regional Park, Sunol Regional Wilderness, Las Trampas Regional Wilderness, Brushy Peak Regional Preserve, and Dublin Hills Regional Park.

Go next

San Joaquin Valley — also known as the Central Valley, is an agricultural valley to the east of the Tri-Valley
Silicon Valley — one of the world's main technology centers, this valley is only a few miles from the Tri-Valley

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