Bridle Path, Simi Valley, California

Challenger Park is a 141.55-acre open-space park (57.28 ha) located in southern portion of Simi Valley, California in the Simi Hills. The park is owned and maintained by the Rancho Simi Recreation and Park District. Challenger Park is used for mountain hiking, mountain biking, jogging, and horseback riding but with a focus on the preservation of wildlife habitat. The scenery lining the trails includes extensive oak woodlands, chaparral, and coastal sage scrub. The terrain varies greatly with rolling green hills and steep mountainous hills and canyons. The park offers miles of trails connecting to Long Canyon, Oak Canyon, Trough Canyon, Lone Oak Canyon, and other adjoining open-space nature areas in the southern section of the Simi Valley. There is a fairly easy hike to Thousand Oaks, CA via Long Canyon trails. To get to Oak Canyon, Old Windmill Park and Coyote Hills Park, you must cross Long Canyon Road. Fences run along the Long Canyon Road with dirt paths. There are also lights at the signals with push buttons for hikers, and raised buttons for equestrians. Adjacent to Challenger Park is also Bridle Trails, a private hiking area. There are scenic views of the City of Simi Valley from the park and it is a native habitat for numerous species of animals, including mule deer, mountain lions, coyotes, rattlesnakes, crawdads, California king-snakes, grey foxes, bobcats, as well as red-tailed hawks, barn owls, and numerous other raptors. From California State Route 118, take the First Street exit in Simi Valley and continue south, turn right if coming from the west and turn left if from the east. Follow this road for 2.8 miles and then turn left into the Challenger Park parking lot, just past the intersection with Stonebrook. From California State Route 23, take the Olsen Road exit in Thousand Oaks, CA and go northeast for nearly 2 miles to Wood Ranch Parkway. Turn right on Wood Ranch and go approximately two miles to the junction with Long Canyon Road. Then turn left onto Long Canyon Road and follow the road for 1.7 miles. Challenger Park will be on the right, shortly before Long Canyon Road becomes First Street in South Simi Valley. The address is 105 Challenger Park Road, Simi Valley, CA 93065.

Sinaloa Lake is a 12-acre (4.9 ha) reservoir in southwestern Simi Valley. The lake is adjacent to the Sinaloa Golf Course and neighborhood. It has a 35-foot (11 m) deep earth dam which was constructed between 1925 and 1929. It has been owned by the Sinaloa Lake Owners Association since the early 1960s. The lake was drained in 1983 after heavy rains, but was rebuilt in 2000. Originally known as Robertson Lake, it is now named for Sinaloa, Mexico. Fish species include crappie, largemouth bass and others.The surrounding community of Sinaloa Lake is an unincorporated area of Ventura County, and voted not to be incorporated into the city of Simi Valley on September 27, 1966.Nearby Bard Lake is situated above Sinaloa Lake in an adjacent part of the same watershed.

Mount McCoy (previously known as Verde Hill) is a 1,325-foot-high peak in Simi Valley, California known for its characteristic 12 foot white cross on the top. There are numerous trails leading to Mount McCoy, which sits in a 200 acres (81 ha) nature area operated by the Rancho Simi Recreation and Park District (RSRPD), while the cross and its immediate surroundings are owned by the Simi Valley Historical Society. By 1813, the cross on Mt. McCoy was a landmark for the Friars and others in the Simi Valley.An 1858 map of the Simi Valley does show a cross on Mt. McCoy, but a newer cross was erected by Robert E. Harrington in 1921, and a concrete one later in 1941. Mount McCoy has been a landmark for the area since before the town was founded. In 1986, Mount McCoy was designated Ventura County Landmark No. 106. The main trailhead is located at 2 Washburn Street at the western end of Simi Valley. A trailhead to a shorter hiking trail is located around 56-58 Presidential Drive on the way to the Ronald Reagan Presidential Library. From the top of Mount McCoy there are views of the Simi Hills and Simi Valley, as well as Simi Peak, open-space areas and the Ronald Reagan Presidential Library. There are also views of the Santa Monica Mountains, Mount Baldy, the San Gabriel Mountains and the Topatopa Mountains, and on clear days, even the Ojai backcountry, the Channel Islands and the Pacific Ocean. It is one of two crosses overlooking the Simi Valley, the other one being situated by the Santa Susana Pass and Rocky Peak by the Santa Susana portion of eastern Simi Valley.

Royal High School (RHS) is a public high school in Simi Valley, California. Royal is part of the Simi Valley Unified School District and is located on Simi Valley's west side.

The historic Simi Adobe–Strathearn House served as the headquarters of Rancho Simi, also known as Rancho San José de Nuestra Senora de Altagracia y Simi, one of the land grants in Alta California by the Spanish government. The name derives from Shimiji, the name of the Chumash village here before the Spanish. Rancho Simi was the earliest Spanish colonial land grant within Ventura and Santa Barbara Counties. At 113,000 acres, Rancho Simi was one of the state's largest land grants.The headquarters of the rancho served as the home of Robert P. Strathearn (and is thus known as the Strathearn House), built in 1892–93. The home remained in the Strathearn family until 1969, when the dwelling and 5.85 acres (2.37 ha) of surrounding land were donated to the Simi Valley Recreation and Park District. Two rooms of the original adobe remain as part of the Strathearn House, now located in Robert P. Strathearn Historical Park in Simi Valley, California. Rancho Simi has been designated a California Historical Landmark (#979) and is listed on the National Register of Historic Places.

The Ronald Reagan Presidential Library is the repository of presidential records from the Reagan administration. Located in Simi Valley, California, the library is administered by the National Archives and Records Administration and is the burial place of Ronald and Nancy Reagan. It contains millions of documents, photographs, films and tapes. It also contains memorabilia and a permanent exhibit of Ronald Reagan's life.

California Virtual Academies (CAVA) are nine virtual charter schools with business agreements with the curriculum-provider K12 Inc. The nine virtual charter schools are CAVA@Fresno, CAVA@Kings, CAVA@Los Angeles, CAVA@Maricopa, CAVA@San Diego, CAVA@San Joaquin, CAVA@San Mateo, CAVA@Sonoma, and CAVA@Sutter. Although all public charter schools are nonprofit organizations, they are affiliated with a for-profit company, K12 Inc. Each of the nine academies has its own independent board of directors. Each of the California Virtual Academies follow the educational principles of E.D. Hirsch Jr. Each student of the California Virtual Academies is assigned to a California-credentialed homeroom teacher with 30–35 students each. The academies, like most K12 Inc.-supplied schools, loan the student textbooks, materials, and a computer so the student can access online lessons.

On June 5, 2004, Ronald Reagan, the 40th president of the United States, died after having Alzheimer's disease for nearly a decade. Reagan was the first former U.S. president to die in 10 years since Richard Nixon in 1994. At the age of 93 years, 120 days, Reagan was the longest-lived U.S. president in history at the time of his death, a record which was surpassed by Gerald Ford on November 12, 2006. His seven-day state funeral followed. After Reagan's death, his body was taken from his Bel Air home to the Kingsley and Gates Funeral Home in Santa Monica, California, to prepare the body for burial. On June 7, Reagan's casket was transported by hearse and displayed at the Ronald Reagan Presidential Library in Simi Valley, California, then flown to Washington, D.C., on June 9 for a service, public viewing and tributes at the U.S. Capitol. After lying in state for 34 hours in the Capitol rotunda, a state funeral service was conducted at the Washington National Cathedral on June 11, the day when President George W. Bush declared a national day of mourning. Later that day, after the service, Reagan's casket was transported back to California for interment at the Reagan Presidential Library. The state funeral was executed by the Military District of Washington (MDW). Reagan was the first former U.S. president to die in the 21st century.

Tierra Rejada Park is a 150-acre park located in the northern Simi Hills foothills, in southwestern Simi Valley city near Moorpark, in Ventura County, California.There are several trails leaving from the park to: Moorpark; Mount McCoy, Oak Canyon, Coyote Hills Park, Long Canyon, Wood Ranch Open Space, and other open-space nature areas in southwestern Simi Valley. Trails up into the Simi Hills, offer panoramic views of the Simi Valley, the Santa Rosa Valley, eastern Moorpark, and the western Santa Susana Mountains. The main Tierra Rejada Trailhead is adjacent to the Arroyo Simi wash, and the city is planning trailheads from the park along the new Arroyo Simi Greenway along the creek.

Bard Lake, also known as Wood Ranch Reservoir, is a 231 acres (93 ha) reservoir which is the largest lake in Simi Valley, California. It is east of the intersection of Olsen Road and Moorpark Freeway, near the border between Simi Valley and Thousand Oaks. Built in 1965, Bard Lake is a 416 feet (127 m) high reservoir with a capacity of 11,000 acre-feet (3.6×109 US gal). It is an earthen dam which is owned by the Calleguas Water District.Although the lake is fenced, there are numerous hiking trails in the area. Sunset Hills Open Space is a 410 acres (170 ha) adjacent preserve with hiking trails. Known for its rich avifauna, some of the bird species found here include White-tailed kites, Northern harriers, Anna's hummingbirds and Red-tailed hawks. Other fauna include rabbits, coyotes, mountain lions, bobcats, roadrunners, quail and vultures.Nearby Sinaloa Lake is situated below Bard Lake in an adjacent part of the same watershed.

Simi Community Church (SCC) is located in Simi Valley, California. Its main worship service is held on Sundays at 10:00 a.m.

The Easy Fire was a wildfire that burned in Simi Valley, Ventura County, California. The fire burned 1,806 acres (731 ha) in October 2019.