The Chalk Hills are a north–south-running low 'mountain' range in the

San Fernando Valley The San Fernando Valley, known locally as the Valley, is an urbanized valley in Los Angeles County, Los Angeles County, California. Situated to the north of the Los Angeles Basin, it comprises a large portion of Los Angeles, the Municipal corpo ...

perpendicular to and adjoining the

Santa Monica Mountains The Santa Monica Mountains are a coastal mountain range in Southern California, next to the Pacific Ocean. It is part of the Transverse Ranges. The Santa Monica Mountains National Recreation Area encompasses this mountain range. Because of its p ...

. They are located in the Woodland Hills District of the City of Los Angeles in

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 ...

. They run between DeSoto and Winnetka Avenues, from south of Ventura Boulevard north to near Victory Boulevard.

Geography

The Chalk Hills host an expansive, low-density, semi-urban suburb of the San Fernando Valley. Los Angeles Pierce College is located on the northern portion of the Chalk Hills. Historically the free-flowing

Los Angeles River The Los Angeles River (), historically known as by the Tongva and the by the Spanish, is a major river in Los Angeles County, California. Its headwaters are in the Simi Hills and Santa Susana Mountains, and it flows nearly from Canoga Park ...

ran around that portion.

U.S. Route 101 U.S. Route 101, or U.S. Highway 101 (US 101), is a major north–south highway that traverses the states of California, Oregon, and Washington on the West Coast of the United States. It is part of the United States Numbered Highway Syst ...

, the Ventura Freeway, cuts deeply through the southern part since the 1960s. The range has a white soil and bedrock, resembling chalk, and was a 'white landform' Valley landmark before suburban development on it in the 1960s. The white rocks are marine shales. Geologists are unsure of its relationship with other rock formations in Southern California, although Thomas Dibblee has identified it as a member of the Sisquoc Formation.Dibblee, T.W., and Ehrenspeck, H.E., ed., 1992, Geologic map of the Topanga and Canoga Park (south 1/2) quadrangles, Los Angeles County, California: Dibblee Geological Foundation, Dibblee Foundation Map DF-35, scale 1:24,000 A small remnant

California oak woodland California oak woodland is a plant community found throughout the California chaparral and woodlands ecoregion of California in the United States and northwestern Baja California in Mexico. Oak woodland is widespread at lower elevations in coast ...

plant community A plant community is a collection or Association (ecology), association of plant species within a designated geographical unit, which forms a relatively uniform patch, distinguishable from neighboring patches of different vegetation types. The comp ...

remains in an undeveloped southeastern area of the Pierce campus.

Local ranges

— ''adjacent on south'' *

Simi Hills The Simi Hills are a low rocky mountain range of the Transverse Ranges in eastern Ventura County, California, Ventura County and western Los Angeles County, California, Los Angeles County, of Southern California, United States. The range runs ma ...

— ''to west'' * Santa Susana Mountains — ''to north, across valley'' *

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 ...

— ''to northeast, across valley'' * Verdugo Mountains — ''to east, across valley''

References

{{San Fernando Valley Hills of California Transverse Ranges Mountain ranges of Los Angeles County, California Geography of the San Fernando Valley Los Angeles Pierce College Santa Monica Mountains Woodland Hills, Los Angeles Mountain ranges of Southern California

Geography

Local ranges

See also

References