What are the Transverse Ranges?
The Transverse Ranges are southern California mountain ranges which are part of the broader Pacific Coast Ranges that run from Mexico all the way to California along the Pacific Ocean. The Transverse Ranges are also known as the Los Angeles Ranges.
Where are the Transverse Ranges located?
The mountains that are part of the Transverse Ranges start at the the southern reaches of the California Coast Ranges. The Transverse Ranges are located between the counties of San Diego and Santa Barbara.
The Transverse Ranges are parallel to the Santa Barbara coastline and have an east to west orientation unlike the other nearby mountain ranges such as the Peninsular Ranges that are located to the south and the Central Coast Ranges that are located to the north of the Santa Barbara region.
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What kinds of flora grows in the Transverse Ranges?
While the Transverse Ranges include a wide diversity of microclimates, the region overall has many oak woodlands as well as lots of chaparral and coastal sage scrub lands including the shrub called Toyon as well as California sagebrush.
In addition one will also see pinyon juniper woodlands in the Transverse Ranges of the Santa Barbara region, as well as savanna at the lesser elevations while the upper elevation areas feature some lodgepole pine forests and other pines, as well as subalpine forests.
Are there any National Forests in the Transverse Ranges?
Yes there are two major National Forests including the Los Padres national Forest as well as the Angeles National Forest.
How did the Transverse Ranges get their name?
The term “transverse” comes from the transverse orientation of the Transverse Ranges. While most all of the mountains along California’s coast and the Pacific coast overall are oriented north to south, the Transverse Ranges are oriented from west to east.
What mountains are included in the Transverse Ranges?
Mountain ranges that are part of the Transverse Ranges include the Sierra Madre Mountains and the San Rafael Mountains in Santa Barbara County as well as the Santa Ynez Mountains which back Santa Barbara town.
Also part of the Santa Ynez Mountains are Santa Susana Mountains and Topatopa Mountains that are located in both Los Angeles County and Ventura County. More Transverse Ranges are Santa Monica Mountains (including Hollywood hills) backing Malibu as well as Simi Hills.
The area northeast of Los Angeles is the site of the San Gabriel Mountains of the Transverse Ranges. Other mountains that are part of the Transverse Ranges include the San Bernardino Mountains as well as the San Rafael Hills, San Jose Hills, Chino Hills, and Puente Hills.
Last but not least are the Channel Islands which are technically part of the Santa Monica Mountains, extending to the west. The Channel Islands include Anacapa Island, Santa Cruz Island, Santa Rosa Island, and San Miguel Island.
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What is the tallest mountain in the Transverse Ranges?
In the San Bernardino Mountains of the Transverse Ranges is Mt. San Gorgonio standing 11,499 feet tall. Also in the San Bernardino Mountains is San Bernardino Peak at 10,649 feet tall.
How did the Transverse Ranges form?
The unique processes that led to the formation of the Transverse Ranges involve various tectonic forces that are due to the interactions between two of Earth’s biggest tectonic plates (sections of the Earth’s crust) known as the North American tectonic plate and the Pacific tectonic plate. These two large plates meet along the San Andreas Fault.
A distinct bend in the San Andreas Fault led to the east-west orientation of the Transverse Ranges, in contrast to the north-south orientation of other western coastal mountain ranges.
The Pacific Plate is gradually moving northwest and when it confronts this bend in the fault it leads to compression and lifting of the Earth’s crust. The Transverse Ranges were originally part of the North American Plate and broke off from the section that today is northwestern Mexico.
What types of rocks are found in the Transverse Ranges?
There is a wide variation in the rocks of the Transverse Ranges including both their composition and their geologic ages. The eastern areas have a great deal of metamorphic and granitic rocks while the Santa Monica Mountains and the western Santa Ynez Mountains have lots of sedimentary rock.
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