View of Cucamonga Valley AVA from Cucamonga Peak

The Cucamonga Valley is a region of southwestern

San Bernardino County San Bernardino County ( ), officially the County of San Bernardino and sometimes abbreviated as S.B. County, is a county located in the southern portion of the U.S. state of California, and is located within the Inland Empire area. As of th ...

and northwestern Riverside County, in southern

California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...

. It is located below the

San Gabriel Mountains The San Gabriel Mountains () are a mountain range located in Los Angeles and San Bernardino counties, California, United States. The mountain range is part of the Transverse Ranges and lies between the Los Angeles Basin and the Mojave Desert ...

in the

Inland Empire The Inland Empire (commonly abbreviated as the IE) is a metropolitan area and region inland of and adjacent to coastal Southern California, centering around the cities of San Bernardino and Riverside, and bordering Los Angeles County and Or ...

region.

Geography

It is a

region In geography, regions, otherwise referred to as areas, zones, lands or territories, are portions of the Earth's surface that are broadly divided by physical characteristics (physical geography), human impact characteristics (human geography), and ...

of the eastern Pomona Valley and western

San Bernardino Valley The San Bernardino Valley () is a valley in Southern California located at the south base of the Transverse Ranges. It is bordered on the north by the eastern San Gabriel Mountains and the San Bernardino Mountains; on the east by the San Jacin ...

. It is located between

Los Angeles Los Angeles, often referred to by its initials L.A., is the List of municipalities in California, most populous city in the U.S. state of California, and the commercial, Financial District, Los Angeles, financial, and Culture of Los Angeles, ...

and San Bernardino. The Cucamonga Valley AVA, a designated

American Viticultural Area An American Viticultural Area (AVA) is a designated wine grape-growing region in the United States, providing an official appellation for the mutual benefit of winery, wineries and consumers. Winemakers frequently want their consumers to know abo ...

, is in the valley region. It was a major site of

wine Wine is an alcoholic drink made from Fermentation in winemaking, fermented fruit. Yeast in winemaking, Yeast consumes the sugar in the fruit and converts it to ethanol and carbon dioxide, releasing heat in the process. Wine is most often made f ...

production in the late 19th through mid−20th centuries, before regional urban expansion with

land development Land development is the alteration of landscape in any number of ways, such as: * Changing landforms from a natural or semi-natural state for a purpose such as agriculture or House, housing * subdivision (land), Subdividing real estate into Lot ( ...

and

suburbanization Suburbanization (American English), also spelled suburbanisation (British English), is a population shift from historic core cities or rural areas into suburbs. Most suburbs are built in a formation of (sub)urban sprawl. As a consequence ...

spread into the area.

Cities

* Corona * Eastvale * Fontana * Jurupa Valley * Norco *

Ontario Ontario is the southernmost Provinces and territories of Canada, province of Canada. Located in Central Canada, Ontario is the Population of Canada by province and territory, country's most populous province. As of the 2021 Canadian census, it ...

* Rancho Cucamonga * Rialto

Demographics

The demographics of the Cucamonga Valley have been shifting in recent years. The population of

European Americans European Americans are Americans of European ancestry. This term includes both people who descend from the first European settlers in the area of the present-day United States and people who descend from more recent European arrivals. Since th ...

, who once constituted a large majority, is on the decline while the population of Latinos and

African Americans African Americans, also known as Black Americans and formerly also called Afro-Americans, are an American racial and ethnic group that consists of Americans who have total or partial ancestry from any of the Black racial groups of Africa ...

is growing. Unlike most of

Southern California Southern California (commonly shortened to SoCal) is a geographic and Cultural area, cultural List of regions of California, region that generally comprises the southern portion of the U.S. state of California. Its densely populated coastal reg ...

, there is not a particularly strong representation of

Asian Americans Asian Americans are Americans with Asian diaspora, ancestry from the continent of Asia (including naturalized Americans who are Immigration to the United States, immigrants from specific regions in Asia and descendants of those immigrants). A ...

in the Cucamonga Valley, although it is steadily increasing. The city of Rancho Cucamonga has the highest population of Asian Americans in the Cucamonga Valley, at 9.0% of the population.

Transportation

Public transit

* Public transportation in San Bernardino County, California *

Public transportation in Riverside County, California In public relations and communication science, publics are groups of individual people, and the public (a.k.a. the general public) is the totality of such groupings. This is a different concept to the sociology, sociological concept of the ''Öf ...

Two Metrolink commuter rail lines, the San Bernardino Line and the Riverside Line, serve the Cucamonga Valley area. The lines are named for their eastern terminal stations, with their shared western terminal being Los Angeles Union Station.

Highways

Freeways running in an east–west direction are (from northernmost to southernmost) State Route 210, Interstate 10, State Route 60 and State Route 91. Interstate 15 is the valley's only north–south running freeway. Historic U.S. Route 66, as Foothill Boulevard, runs east–west through the region. Other major surface streets include Base Line Road, Arrow Route, 4th Street/San Bernardino Avenue, Van Buren/Mission Boulevard, and Valley Boulevard running east–west and Archibald Avenue, Sierra Avenue, and Riverside Avenue running north–south.

Notes and references

Valleys of Riverside County, California Valleys of San Bernardino County, California Pomona Valley Inland Empire Regions of California {{RiversideCountyCA-geo-stub