Walnut Valley is a region in the eastern

San Gabriel Valley The San Gabriel Valley ( es, Valle de San Gabriel) is one of the principal valleys of Southern California, lying immediately to the east of the eastern city limits of the city of Los Angeles, and occupying the vast majority of the eastern part ...

Southern California Southern California (commonly shortened to SoCal) is a geographic and Cultural area, cultural region that generally comprises the southern portion of the U.S. state of California. It includes the Los Angeles metropolitan area, the second most po ...

. This area is known for its rolling hills. The valley is noted for its fairly recent influx of

Asian Americans Asian Americans are Americans of Asian ancestry (including naturalized Americans who are immigrants from specific regions in Asia and descendants of such immigrants). Although this term had historically been used for all the indigenous people ...

into its upper-class residential

neighborhood A neighbourhood (British English, Irish English, Australian English and Canadian English) or neighborhood (American English; see spelling differences) is a geographically localised community within a larger city, town, suburb or rural area, ...

Walnut A walnut is the edible seed of a drupe of any tree of the genus ''Juglans'' (family Juglandaceae), particularly the Persian or English walnut, '' Juglans regia''. Although culinarily considered a "nut" and used as such, it is not a true ...

now has an Asian American majority, with Diamond Bar about half Asian and half

White White is the lightest color and is achromatic (having no hue). It is the color of objects such as snow, chalk, and milk, and is the opposite of black. White objects fully reflect and scatter all the visible wavelengths of light. White on ...

Cities

* Diamond Bar * Portions of Industry *

Geography of Southern California {{LosAngelesCountyCA-geo-stub