The Santa Susana Mountains are a transverse range of mountains in Southern California, north of the city of Los Angeles, in the United States. The range runs east-west, separating the San Fernando and Simi valleys on its south from the Santa Clara River Valley to the north and the Santa Clarita Valley to the northeast. The Oxnard Plain is to the west of the Santa Susana Mountains.
Newhall Pass is a low mountain pass in Los Angeles County, California. Historically called Fremont Pass and San Fernando Pass, with Beale's Cut, it separates the Santa Susana Mountains from the San Gabriel Mountains. Although the pass was visited in August 1769 by Catalan explorer Gaspar de Portolá, it eventually was named for Henry Newhall, a significant businessman in the area during the 19th century.
Stevenson Ranch is an unincorporated community in the Santa Clarita Valley of Los Angeles County, California. Stevenson Ranch is set in the foothills of the Santa Susana Mountains and lies west of Interstate 5 and the city of Santa Clarita. Stevenson Ranch encompasses about 6.4 square miles (17 km2). About 1,000 acres (4.0 km2) are set aside as parks, recreation areas, and open space. A master-planned community, it was approved by the county in 1987. The population was 17,557 at the time of the 2010 census. For statistical purposes, the Census Bureau has designated it a census-designated place (CDP).
Newhall is the southernmost and oldest community in the city of Santa Clarita, California. Prior to the 1987 consolidation of Canyon Country, Saugus, Newhall, and Valencia into the city of Santa Clarita, it was an unincorporated area. It was the first permanent town in the Santa Clarita Valley.
The Campo de Cahuenga, near the historic Cahuenga Pass in present-day Studio City, California, was an adobe ranch house on the Rancho Cahuenga where the Treaty of Cahuenga was signed between Lieutenant Colonel John C. Frémont and General Andrés Pico in 1847, ending hostilities in California between Mexico and the United States. The subsequent Treaty of Guadalupe Hidalgo of 1848, ceding California, parts of Colorado, Nevada, New Mexico, and Arizona to the United States, formally ended the Mexican–American War. From 1858 to 1861 the Campo de Cahuenga became a Butterfield Stage Station.
Santa Clarita is a city in northwestern Los Angeles County in the U.S. state of California. With a 2020 census population of 228,673, it is the third-largest city by population in Los Angeles County, the 17th-largest in California, and the 99th-largest city in the United States. It is located about 30 miles (48 km) northwest of downtown Los Angeles, and occupies 70.75 square miles (183.2 km2) of land in the Santa Clarita Valley, along the Santa Clara River. It is a notable example of a U.S. edge city, satellite city, or boomburb.
Pío Pico State Historic Park is the site of El Ranchito, also known as the Pío Pico Adobe or Pío Pico Mansion, the final home of Pío Pico, the last Governor of Alta California under Mexican rule and a pivotal figure in early California history. Located in Whittier, California, at 6003 Pioneer Blvd. near Whittier Blvd. and Interstate 605, it is California Historical Landmark No. 127, listed as "Casa de Governor Pío Pico". Just west of the park is the San Gabriel River. Across the river is the city that bears his name—Pico Rivera. The park consists of the adobe and about three acres of surrounding land.
Mentryville was an oil drilling town in the Santa Susana Mountains in Los Angeles County, California, USA. It was started by Charles Alexander Mentry in the 1870s around the newly discovered oil reserves in that area. The first oil strike was on September 26, 1876. The town is located at the terminus of Pico Canyon Road, four miles west of the Lyons Avenue exit from I-5 in Santa Clarita. It is currently a part of Stevenson Ranch.
Rancho San Francisco was a land grant in present-day northwestern Los Angeles County and eastern Ventura County, California. It was a grant of 48,612 acres (19,673 ha) by Governor Juan B. Alvarado to Antonio del Valle, a Mexican army officer, in recognition for his service to Alta California. It is not related to the city of San Francisco.
Well No. 4, Pico Canyon Oilfield, located about seven miles (11 km) west of Newhall, California, in the Santa Susana Mountains, was the first commercially successful oil well in the Western United States and is considered the birthplace of California's oil industry. Drilled in 1876, it turned nearby Newhall into a boomtown and also spawned a smaller boomtown called Mentryville adjacent to the drilling site. Well No. 4 continued in operation for 114 years until it was capped in 1990. The site was designated a National Historic Landmark in 1966, and the Mentryville ghost town is now open to the public as a historic park.
The Workman-Temple family relates to the pioneer interconnected Workman and Temple families that were prominent in: the history of colonial Pueblo de Los Angeles and American Los Angeles; the Los Angeles Basin and San Gabriel Valley regions; and Southern California — from 1830 to 1930 in Mexican Alta California and the subsequent state of California, United States.
Placerita Canyon State Park is a California State Park located on the north slope of the western San Gabriel Mountains, in an unincorporated rural area of Los Angeles County, near the city of Santa Clarita. The park hosts a variety of historic and natural sites, as well as serving as a trailhead for several hiking trails leading into the San Gabriel Mountains.
Demetrius G. Scofield, more commonly D. G. Scofield, was a pioneer of the oil business in California who founded a number of companies in that state and became the first president of Standard Oil of California.
Agua Mansa is a former settlement in an unincorporated area of San Bernardino County, near Colton, California, United States. Once the largest settlement in San Bernardino County, it is now a ghost town. Only the cemetery remains.
The Lyons Station Stagecoach Stop,, was a tavern and stagecoach stop near the southwest corner of Newhall Avenue and Sierra Highway, by Eternal Valley Cemetery. The site is located in the present day Newhall section of Santa Clarita, in Los Angeles County, California.
The Honor Rancho Oil Field is an approximately 600-acre oil field and natural gas storage facility in Los Angeles County, California, on the northern border of the Valencia neighborhood of Santa Clarita, near the junction of Interstate 5 and westbound California State Route 126. Discovered in 1950 and quickly developed, the field's oil production peaked in the 1950s, but remains productive in 2016. In 1975 Southern California Gas Company (SoCalGas), the gas utility serving Southern California, began using one of its depleted oil producing zones, the Wayside 13 zone, as a gas storage reservoir, and it became the second-largest in their inventory after the Aliso Canyon gas storage facility. The field shares part of its extent with the Peter J. Pitchess Detention Center, which includes a maximum-security prison.
The Catalina Verdugo Adobe, also known as the Catalina Adobe, the Verdugo Adobe, and the Teodoro Adobe, is a historic adobe building and a public park located at 2211 Bonita Drive in Glendale, California.
Lang Southern Pacific Station is a former Southern Pacific railway station located in Soledad Canyon near the eastern end of Santa Clarita, California. On September 5, 1876 the first railway to Los Angeles was completed at this site. The Lang Southern Pacific Station was designated a California Historic Landmark on May 22, 1957.
The Old Santa Monica Forestry Station is the nation's first experimental forestry station, built in 1887. The Old Santa Monica Forestry Station was designated a California Historic Landmark (No.840) on March 20, 1970. Old Santa Monica Forestry Station is located at Rustic Canyon in Los Angeles in the Santa Monica Mountains of Southern California in Los Angeles County. The site is south of what is now called Santa Monica Mountains National Recreation Area. In 1971 the state placed a marker near the entrance of the Rustic Canyon Recreation Center at the NW corner of Latimer and Hilltree Roads, at 601 Latimer Road, Los Angeles, CA 90402. This location is in what is now called Pacific Palisades. The hills and canyons around the Santa Monica Canyon were a land boom in the late 1880s.
Santa Clarita Woodlands Park is a 4,000 acre open space preserve located in the northeastern foothills of the Santa Susana Mountains near Santa Clarita, California.
