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Salinas Valley
Greenfield California.JPG
Salinas Valley, on River Road near Marina
Length 90 miles (145 km) northwest to southeast
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Location California, United States
Population centers Castroville, Salinas, King City, San Ardo
Traversed by U.S. Route 101
Rivers Salinas River

The Salinas Valley is one of the major valleys and most productive agricultural regions in California. It is located west of the San Joaquin Valley and south of San Francisco Bay and the Santa Clara Valley.

The Salinas River, which geologically formed the fluvial valley and generated its human history, flows to the northwest or 'up' along the principal axis and the length of the valley.

The valley was named during the late 18th-century Spanish colonial Alta California period, and in Spanish Salina is the term for a salt marsh, salt lake, or salt pan. The seasonal Salinas River had brackish tule ponds in broad depressed areas, and more salinity during summer and when drought lowered flows.

The valley runs in a southeast to northwest alignment. It begins south of San Ardo, framed by the central inner California Coast Ranges, continues northwestward continuously defined on the west by the Santa Lucia Range, on the east by the Gabilan Range, to its end and the river's mouth at the Monterey Bay.

It is also known for being the setting of the novels East of Eden and Of Mice and Men, by John Steinbeck.


Salinas River Map
Map of the Salinas River watershed.

The Salinas Valley runs approximately 90 miles (145 km) southeast from the Salinas River mouth near Castroville and Salinas towards King City and San Ardo. The valley lends its name to the geologic province in which it is located, the Salinian Block. Cities and populated places in the Salinas Valley include Bradley, Castroville, Chualar, Gonzales, Greenfield, Jolon, King City, Salinas, San Ardo, San Lucas, Soledad and Spreckels. The Salinas Valley is located in between the Gabilan and Santa Lucia mountain ranges, which border the Salinas Valley to the east and the west, respectively.


Before colonization, the valley was inhabited by indigenous Salinans who lived by hunting and gathering and spoke the Salinan language.

The Spanish colonial missions of San Miguel Arcángel, San Antonio de Padua and Nuestra Señora de la Soledad were all founded within the Salinas Valley in the late 18th century; from the last grew the city of Soledad.

Monterey County, California. Rural youth. Mechanization, the agricultural employee. At the wheel of a farm-all tractor - NARA - 532242
An NYA photo illustrating young farm workers and the mechanization of agriculture.

The commercial farming sector of the Dustbowl era forms the backdrop for several John Steinbeck stories including East of Eden, Tortilla Flat, Of Mice and Men, The Chrysanthemums, and Johnny Bear.

At a railroad crossing about one mile south of Chualar, a bus carrying Mexican migrant workers collided with a train in September 1963, killing 32 passengers and injuring 25. It was the most serious road accident in U.S. history, and helped spur abolition of the bracero guest worker program. The portion of U.S. Route 101 where the accident occurred was named "Bracero Memorial Highway" at the 50th anniversary of the accident in 2013. At that time two survivors of the crash were still alive.


Agriculture dominates the economy of the valley. Promoters call the Salinas Valley "the Salad Bowl of the World" for the production of lettuce, broccoli, peppers and numerous other crops. The climate and long growing season are also ideal for the flower industry and grape vineyards planted by world-famous vintners.

In particular, a large majority

Salinas Valley is also an important viticultural area. Three American Viticultural Association "American Viticultural Area" domains are located within Salinas Valley: the Arroyo Seco AVA, the Santa Lucia Highlands AVA, and the Monterey AVA.

Although agriculture forms an economic base, more than 100 manufacturing firms call Salinas home. Some of the largest employers in the area include: Dole Fresh Vegetable, the County of Monterey, and Salinas Valley Memorial Hospital.


Irrigation system
An agricultural irrigation system near Chualar in the Salinas Valley.

Supplying Salinas Valley farms is an underground water supply fed, in part, by the large watershed in surrounding mountains. Two reservoirs – Nacimiento and San Antonio—store and release the water for groundwater recharge, flood control and farming. Wells access the groundwater to irrigate about 275,000 acres (1,110 km2) of fruits and vegetables and to supply the valley cities. The Salinas River itself is a sand river, so water appears on the surface only during heavy rains or when water is released from the upstream reservoirs. Increasing demand for water near the mouth of the valley is pulling seawater under the coastal area. The Salinas Valley Water Project, now under construction by the Monterey County Water Resources Agency, will use an inflatable dam near Salinas to capture more water during wet periods. Monterey County Water Recycling Projects, a combination of the Castroville Seawater Intrusion Project and the Salinas Valley Reclamation Project, started delivering recycled water to fields near Castroville in 1998. The projects reduce pumping of groundwater and slow down seawater intrusion.


The Salinas Valley's weather varies from north to south. Proximity to Monterey Bay and the cool coastal waters of the Pacific cools the northern part of the valley in summer, and keeps it relatively mild in winter. The southern portion of the valley has greater extremes of temperature, hotter in summer, and colder in winter.

In summer, inland heating draws the marine layer into the valley, with fog and low clouds near Monterey Bay, sometimes extending farther down the valley.

In the news

The California Rodeo Salinas, California International Airshow, the National Steinbeck Center, and the Steinbeck Festival are major attractions.

2007 Salmonella outbreak

On August 30, 2007, 8,000 cartons of spinach (from Metz Fresh, a King City-based grower and shipper, Salinas Valley, California) were recalled after Salmonella was discovered on routine testing. The incident led to a call from some consumer advocates and lawmakers for greater oversight in food safety, even if 90% of the suspect vegetable did not reach the shelves.

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See also

Kids robot.svg In Spanish: Valle del Salinas para niños

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