The Santa Ana River is the largest river entirely within Southern California in the United States. It rises in the San Bernardino Mountains and flows for most of its length through San Bernardino and Riverside Counties, before cutting through the northern Santa Ana Mountains via Santa Ana Canyon and flowing southwest through urban Orange County to drain into the Pacific Ocean. The Santa Ana River is 96 miles (154 km) long, and its drainage basin is 2,650 square miles (6,900 km2) in size.
The Santa Ana Mountains are a short peninsular mountain range along the coast of Southern California in the United States. They extend for approximately 61 miles (98 km) southeast of the Los Angeles Basin largely along the border between Orange and Riverside counties.
Trabuco Canyon is a small unincorporated community located in the foothills of the Santa Ana Mountains in eastern Orange County, California, and lies partly within the Cleveland National Forest.
Henry W. Coe State Park is a state park of California, United States, preserving a vast tract of the Diablo Range. The park is located closest to the city of Morgan Hill, and is located in both Santa Clara and Stanislaus counties. The park contains over 87,000 acres (35,000 ha), making it the largest state park in northern California, and the second-largest in the state. Managed within its boundaries is a designated wilderness area of about 22,000 acres (8,900 ha). This is officially known as the Henry W. Coe State Wilderness, but locally as the Orestimba Wilderness. The 89,164-acre (36,083 ha) park was established in 1959.
Cleveland National Forest encompasses 460,000 acres, mostly of chaparral, with a few riparian areas. A warm dry mediterranean climate prevails over the forest. It is the southernmost U.S. National Forest of California. It is administered by the U.S. Forest Service, a government agency within the United States Department of Agriculture. It is divided into the Descanso, Palomar and Trabuco Ranger Districts and is located in the counties of San Diego, Riverside, and Orange.
The Upper Las Virgenes Canyon Open Space Preserve is a large open space nature preserve owned and operated by the Santa Monica Mountains Conservancy spanning nearly 3,000 acres (1,200 ha) in the Simi Hills of western Los Angeles County and eastern Ventura County.
Uvas Canyon County Park is a 1,147-acre (464 ha) natural park located in upper Uvas Canyon on the eastern side of the Santa Cruz Mountains, west of Morgan Hill, California. The park has several small waterfalls, some of which flow perennially, that feed into tributaries confluent with Uvas Creek. The park is part of the Santa Clara County Parks System, and facilitates picnics, hiking and overnight camping. It is one of the few parks in the area that allows dogs in the campgrounds.
Cuyamaca Rancho State Park is a state park in Southern California, United States, located 40 miles (64 km) east of San Diego in the Cuyamaca and Laguna Mountains of the Peninsular Ranges. The park's 26,000 acres (11,000 ha) feature pine, fir, and oak forests, with meadows and streams that exist due to the relatively high elevation of the area compared to its surroundings. The park includes 6,512-foot (1,985 m) Cuyamaca Peak, the second-highest point in San Diego County.
The Ventana Wilderness of Los Padres National Forest is a federally designated wilderness area located in the Santa Lucia Range along the Central Coast of California. This wilderness was established in 1969 when the Ventana Wilderness Act redesignated the 55,800-acre (22,600 ha) Ventana Primitive Area as the Ventana Wilderness and added land, totalling 98,000 acres (40,000 ha). In 1978, the Endangered American Wilderness Act added 61,000 acres (25,000 ha), increasing the total wilderness area to about 159,000 acres (64,000 ha). The California Wilderness Act of 1984 added about 2,750 acres (1,113 ha). The Los Padres Condor Range and River Protection Act of 1992 created the approximately 14,500-acre (5,900 ha) Silver Peak Wilderness and added about 38,800 acres (15,700 ha) to the Ventana Wilderness in addition to designating the Big Sur River as a Wild and Scenic River. The Big Sur Wilderness and Conservation Act of 2002 expanded the wilderness for the fifth time, adding nearly 35,000 acres (14,000 ha), increasing the total acreage of the wilderness to its present size of 240,026 acres (97,135 ha).
The Red Buttes Wilderness is a wilderness area in the Klamath and Rogue River national forests in the U.S. states of Oregon and California. It comprises 19,940 acres (8,070 ha), approximately 16,190 acres (6,550 ha) of which is located in California, and 3,750 acres (1,520 ha) in Oregon. It was established by the California Wilderness Act of 1984 and the Oregon Wilderness Act of 1984.
Modjeska Peak is the northern mountain of the Saddleback landform in Orange County California. It is the second-highest peak of the Santa Ana Mountains, after Santiago Peak, whose summit is less than 0.6 mi (0.97 km) to the northwest. Modjeska lies within Cleveland National Forest and, despite being shorter than Santiago, has a smaller peak without manmade structures to obstruct views of the Pacific Ocean and San Gabriel Mountains.
Cook's Corner is an Orange County, California bar built in 1884 that is popular with motorcyclists. It is located between the city of Lake Forest and the unincorporated community of Silverado. Cook's Corner is situated at the intersection of Santiago Canyon and Trabuco Canyon.
The Santiago Fire was a wildfire located near Santiago Canyon in Orange County, California, U.S., and one of thirty California wildfires of October 2007. The fire was intentionally started.
Arroyo Trabuco is a 22-mile (35 km)-long stream in coastal southern California in the United States. Rising in a rugged canyon in the Santa Ana Mountains of Orange County, the creek flows west and southwest before emptying into San Juan Creek in the city of San Juan Capistrano. Arroyo Trabuco's watershed drains 54 square miles (140 km2) of hilly, semi-arid land and lies mostly in Orange County, with a small portion extending northward into Riverside County. The lower section of the creek flows through three incorporated cities and is moderately polluted by urban and agricultural runoff.
Aliso and Wood Canyons Wilderness Park is a major regional park in the San Joaquin Hills of Orange County, California in the United States. Comprising 4,500 acres (1,800 ha) of rugged coastal canyons, open grassland, and riparian woodland, the park borders the suburban cities of Aliso Viejo, Dana Point, Laguna Beach, Laguna Hills and Laguna Niguel and lies within a portion of the ancestral homeland of the indigenous Acjachemen people.
Santiago Creek is a major watercourse in Orange County in the U.S. state of California. About 34 miles (55 km) long, it drains most of the northern Santa Ana Mountains and is a tributary to the Santa Ana River. It is one of the longest watercourses entirely within the county. The creek shares its name with Santiago Peak, at 5,687 ft (1,733 m) the highest point in Orange County, on whose slopes its headwaters rise.
O'Neil Regional Park is a major regional park and greenway in eastern Orange County, California, United States, located along Trabuco Creek and Live Oak Canyon. The park encompasses 4,500 acres (1,800 ha) of canyon and riparian zone habitat, and includes campgrounds and trails for hiking, biking and horseback riding.
The Matilija Wilderness is a 29,207-acre (11,820 ha) wilderness area in Ventura and Santa Barbara Counties, Southern California. It is managed by the U.S. Forest Service, being situated within the Ojai Ranger District of the Los Padres National Forest. It is located adjacent to the Dick Smith Wilderness to the northwest and the Sespe Wilderness to the northeast, although it is much smaller than either one. The Matilija Wilderness was established in 1992 in part to protect California condor habitat.
Limestone Canyon Regional Park is a public regional park in southern Orange County, California under the management of OC Parks. The 4,000 acre park is a part of the Irvine Ranch Open Space, a designation of preserved natural landmarks in Southern California. The premises is near Santiago Canyon and at the foothills of the Santa Ana Mountains, making it a neighbor to the Cleveland National Forest. The park is just outside of the cities of Lake Forest and Irvine and is accessible via County Route S18. Limestone Canyon borders Whiting Ranch Wilderness Park, another regional park in the area. The region was privately owned by The Irvine Company until it was donated to the county in June of 2010, along with 20,000 acres of what was Irvine Ranch.
