Rancho Cañada Larga o Verde

The San Buenaventura Mission Aqueduct was a seven-mile long, stone and mortar aqueduct built in the late 18th and/or early 19th century to transport water from the Ventura River to the Mission San Buenaventura in Ventura, California. Accounts vary greatly as to when the aqueduct was built. One account indicates it was built between 1780 and 1790 by the Chumash Indians under the direction of a Spanish priest trained in hydrology. Others place its construction in the 1790s, and yet another indicates it was built between 1805 and 1815 by stonemasons brought from Mexico.The aqueduct supplied water for the residents of Mission San Buenaventura and irrigation for the mission's pasture and agricultural lands. Water from the aqueduct helped the mission flourish.Few vestiges of it remain today. Large sections were destroyed in a Great Flood of 1862, and settlers used stones from the old aqueduct to build homes. The combined effects of floods, land cultivation, neglect and land development reduced most of the aqueduct to rubble. The only significant section that remains is located at the mouth of Canyada canyon on land that was formerly known as Rancho Cañada Larga o Verde owned by the Canet family from 1873 until at least the 1960s. This remaining section is 100 feet long and ten feet high, and is believed to have "served as a siphon, drawing water uphill through conduits." The location is at 234 Canada Larga Road near the road's interchange with the Ojai Freeway.In the early 1970s, the Ventura County Cultural Heritage Commission led a fight to preserve the remaining piece, declaring it a county landmark in 1972. The following year, county supervisors voted to purchase the site. In 1975, the aqueduct site was added to the National Register of Historic Places, and in 1977 the aqueduct site was fenced off to protect it from vandalism. It was also recognized as a California Historical Landmark in 1985.A controversy arose in 1989 when a newly discovered three-foot section of the aqueduct was demolished during construction of a house. The Ventura County Cultural Heritage Board sought to prevent further demolition, and the owner built his home over the aqueduct, preserving a 20-foot-long section in his basement.In recent years, preservationists have raised concerns about the failure of the county to take action to protect the remaining section of the aqueduct on Canada Larga Road. In 1998, the Los Angeles Times wrote that "the lone surviving significant chunk of what was once the seven-mile San Buenaventura Mission Aqueduct sits forlornly in a weed-filled corner of an orchard near a freeway offramp north of the city." Though the site is owned by the county, and the head of the county's Cultural Heritage Board called it "an engineering marvel" in sore need of preservation, the county has lacked funds, and the effects of El Nino rains continued the deterioration of the aqueduct.

The Santa Gertrudis Asistencia, also known as the Santa Gertrudis Chapel, was an asistencia ("sub-mission") to the Mission San Buenaventura, part of the system of Spanish missions in Las Californias—Alta California. Built at an unknown date between 1792 and 1809, it was located approximately five miles from the main mission, inland and upstream along the Ventura River. The site was buried in 1968 by the construction of California State Route 33. Prior to the freeway's construction, archaeologists excavated and studied the site. A number of foundation stones were moved and used to create the Santa Gertrudis Asistencia Monument which was designated in 1970 as Ventura County Historic Landmark No. 11.

The Ventura River Parkway Trail is a southern California rail trail along the Ventura River in Ventura County. Roughly paralleling California State Route 33 for 16.5 mi (26.6 km) from Ventura to Ojai, it follows the route of the former Ventura and Ojai Valley Railroad that was abandoned between 1969 and 1995.

The Ventura Oil Field is a large and currently productive oil field in the hills immediately north of the city of Ventura in southern California in the United States. It is bisected by California State Route 33, the freeway connecting Ventura to Ojai, and is about eight miles (13 km) long by two across, with the long axis aligned east to west. Discovered in 1919, and with a cumulative production of just under a billion barrels of oil as of 2008, it is the tenth-largest producing oil field in California, retaining approximately 50 million barrels in reserve, and had 423 wells still producing. As of 2009 it was entirely operated by Aera Energy LLC.

Casitas Springs ( ; Casitas, Spanish for "little houses") is an unincorporated community in Ventura County, California, located 1.2 miles (1.9 km) east of Lake Casitas. It is an old community which was recorded as Arroyo de Las Casitas (“creek of the little houses”) in 1864. It has a population of 1,038 as of 1999, down from 1,090 in 1990 Census. Casitas Springs is located along California State Route 33 2 miles (3.2 km) south of Oak View. It is known for its groves of eucalyptus trees along the highway.

Ortonville is an unincorporated community of Ventura County, California, United States. Ortonville is located along California State Route 33 4.8 miles (7.7 km) northwest of Ventura. Ortonville lies north of the unincorporated community Wadstrom and south of the unincorporated community Weldons. All three were served by the 20th century Ventura and Ojai Valley Railroad.Two mobile home parks are just north of the site of this historical Place name; Canon De Las Encinas Park and Magnolia Park.

The Foster Park Bowl is an outdoor amphitheatre located between Ojai and Ventura, California. Built in 1928, it has a seating capacity of 1,000.

Wadstrom is an unincorporated community of Ventura County, California, United States. Wadstrom is located along California State Route 33 4.6 miles (7.4 km) northwest of Ventura. Wadstrom was served by the 20th century Ventura and Ojai Valley Railroad.

Oak View is an unincorporated community in Ventura County, California, United States. The community is located along the Ventura River in a narrow valley between the towns of Casitas Springs (south) and Mira Monte (north). Lake Casitas and the community of Ojai are also nearby. At the 2010 census, the population of Oak View was 4,066, down from 4,199 at the 2000 census, making it the third largest community between Ojai and the city of Ventura. For statistical purposes, the United States Census Bureau has defined Oak View as a census-designated place (CDP). The census definition of the area may not precisely correspond to local understanding of the area with the same name.

KVYB (106.3 FM, "106-3 The Vibe") is a commercial radio station that is licensed to Oak View, California, United States, and serves the Oxnard—Ventura, California area. Owned by Cumulus Media, the station airs a contemporary hit radio (CHR) format.

Villanova Preparatory School (commonly known as Villanova Prep) is an Augustinian Catholic co-ed day and boarding school in Ojai, California, United States. Sitting on more than 130 acres (53 ha), the campus contains two dormitories, a chapel, trails, and assorted academic and athletic facilities. Villanova Prep is located in the Roman Catholic Archdiocese of Los Angeles, and is a member of the Augustinian Secondary Education Association. The school offers both day and resident programs and is the only co-ed Augustinian boarding school in the United States. In 2015-16, Villanova Prep's student enrollment was 265. Boarding students comprised 34% of the student body and represented 14 countries.

Casitas Dam is an earthfill dam across Coyote Creek that forms Lake Casitas in Ventura County, California near Oak View, California. The dam is located two miles (3 km) above the junction of Coyote Creek and the Ventura River. Water from the Ventura River is diverted to Lake Casitas as well. The 334 ft (102 m) structure was built by the U.S. Bureau of Reclamation. It is a key part of the Ventura River Project. Construction was completed in 1959 and was strengthened in June–December 2000 as a seismic improvement to help withstand earthquakes greater than 6.5. Lake Casitas has a 254,000 acre⋅ft (313,000,000 m3) storage capacity and provides irrigation and municipal uses for the Casitas Municipal Water District.