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California State Parks

USA Parks
Southern California Region
Chino Hills State Park
Valley Quail ©
Valley Quail
Oh Yell ©
4721 Sapphire Road
Chino Hills, California   91709

Phone: 951-780-6222
Chino Hills State Park, a premier natural open-space area in the hills of Santa Ana Canyon near Riverside, is a critical link in the Puente-Chino Hills biological corridor. Its 12,452 acres encompass stands of oaks, sycamores and rolling, grassy hills that stretch nearly 31 miles, from the Santa Ana Mountains to the Whittier Hills. Chino Hills is vitally important as a refuge to many species of plants, and as a link between natural areas essential to the survival of many animal species.

Chino Hills is also a place where people can escape the pressures of urban life and find peace and solitude in a natural setting. Visitors can camp for a few days or simply enjoy a walk, horseback or bicycle ride over trails that meander through valleys and along ridge tops through woodlands, sage scrub and grasslands. Sixty miles of trails and fire roads also offer excellent opportunities for viewing wildlife and native plants. Facilities consist of a picnic area, equestrian staging area, pipe corrals, a historic barn, water spigots and restrooms. Most of the trails accept multiple use. However, a few trails are designated for hiking only, because of safety issues or the potential for damage to habitat.

Hours?8:00 a.m. to sunset.
Speed Limit?15 mph for all vehicles and bicycles.
Vehicles off road?Motor vehicles may not be driven off road or in the back country.
Drinking Water?Available at the Rolling M Ranch area, the Equestrian Staging area, and the Bane Canyon Picnicing areas.
Smoking?Because of the high fire danger, smoking is prohibited.
Campfires?Permitted only in designated fire rings, which are established in each campsite. not permitted during fire season. Generally, fire season runs from May to September, but may change. Please see Rangers for more information.
Trash?Pack it in, pack it out!
Weapons?Weapons of any kind are prohibited.
Trails?For safety?s sake, stay on designated trails and don?t hike alone. Be aware of wildlife, especially rattlesnakes.
Collecting?Animals, plants, rocks, dirt and artifacts are protected by law and may not be disturbed or collected.
Dogs?Dogs are not allowed at Chino Hills State Park except at Bane Canyon Road, McLean Overlook, the Rolling M Ranch and in the campgrounds. They must be on leash at all times and are not allowed in the backcountry or on trails. Pets must not be left alone at any time. Dogs are not allowed at any other location. Violation of this posted order may result in citation.
Park Closure?The park will close for 48 hours following rain of more than one quarter inch. High clay content in the soil causes ?greased? trails and roads. Use during this time makes hiking, bicycling and equestrian activities hazardous and causes severe rutting of trail and road surfaces. The park is also closed during times of extreme fire danger.
Nature of the Area

Ranging from 430 feet to 1,781 feet in elevation, the park straddles the north end of the Santa Ana Mountains and the southeast portion of the Puente-Chino Hills, which together form the northern end of the Peninsular Ranges in Southern California. This formation interrupts the generally flat Los Angeles Basin with a variety of rolling hills, mountains and canyons on its south and east sides. The hills are a result of uplift and folding along the Whittier and Chino faults.

The Puente-Chino Hills are made up of sedimentary rocks of the Puente Formation, deposited from five to fifteen million years ago. Associated with this formation are petroleum resources that have been explored and exploited in the Los Angeles region since the late 1800s. Fine clay soils are found in these formations, as well as a few areas of alluvial deposits that wash down from the hills and mountains during winter rains.


Because of its great variety of habitats and microclimates, Chino Hills State Park is an ideal location for observing many wildlife species native to southern California. Red-tailed hawks and turkey vultures soar above. Coyotes, deer, bobcats and other mammals are often seen in the woodlands, scrub and grasslands. Visitors with good ears and sharp eyes will enjoy the many songbird species seen and heard foraging and raising young in the trees and shrubs.

More than 200 species of birds and mammals, numerous reptiles and amphibians, and thousands of types of insects and other invertebrates live in the park. Some of these animals, including least bell?s vireo, the California gnatcatcher and the coastal cactus wren, are considered rare, threatened or endangered. The local diversity of native plants and animals found here in the Southern California basin is greater than in any other area of comparable size in the United States.

Plant Communities

Diversity is perhaps the most important feature of the vegetation found within Chino Hills State Park. In fact, Chino Hills has several different kinds of vegetation in each of its major habitats.

In the park?s creek zones, cattail stands provide habitat for a variety of wildlife, among them red-winged blackbirds. Along seasonal and year-round creeks, the willow and sycamore woodlands have understories of wild rose, stinging nettle and mule fat. These riparian areas provide cover and food for numerous animals and nesting birds. Many of these nesting birds are migratory species that come to the streamside habitats from Central and South America each spring to raise their young. Southern California black walnut trees join coast live oaks to form woodlands above the creeks, often on north facing slopes. These walnut woodlands are another important and rare plant community preserved in the park. Only a few thousand acres of this California habitat still exist, with about one thousand acres in preserves. Several hundred acres are protected at Chino Hills State Park.

The Tecate cypress is another special type of plant community found only in a few places in the United States. Several Tecate cypresses are found in Coal Canyon, adjacent to the larger ecological reserve managed by the California Department of Fish and Game.

Several different scrub and chaparral communities along the hills and slopes above the canyon floors include coastal sage scrub, California sagebrush, California buckwheat and purple sage, as well as a mixed chaparral community dominated by laurel sumac and toyon. Many California wildlife species depend on these scrub and chaparral communities for survival. Because these communities are disappearing as urban development continues, they form an increasingly important part of the biological resources protected in the park.
History of the Area
Over the centuries, many people have made use of the open spaces and plentiful water, plant and animal resources of the Chino Hills. Prior to European contact, the Gabrielino Indians, who lived along the Santa Ana River basin, set up temporary camps for gathering acorns, elderberries, walnuts and other seeds.

After the Spanish founded Mission San Gabriel in 1771, the Chino Hills were used extensively for grazing by mission cattle. During the Mexican Republic era, the hills were used as spillover grazing from such surrounding Mexican ranchos as Santa Ana del Chino and La Sierra Yorba. After Mexico ceded California to the United States in 1848, the land was still used primarily for grazing.

Private land acquisition began in the 1870s and continued into the 1890s. In 1948, the 1,720-acre Rolling M Ranch was established and the land leased to nearby landowners for cattle grazing. Some late nineteenth and early twentieth century oil exploration and mining activity also took place in the northwestern section of what is now the park. A ranch house, barn, and several windmills and watering troughs serve as reminders of the cattle ranching days.

In 1977, the California legislature passed a resolution directing California State Parks to conduct a study on acquiring Chino Hills land for park purposes. A local citizen group, Hills for Everyone, worked closely with California State Parks and the legislature to create the park with an initial acquisition of 2,237 acres. In 1984, the State Park and Recreation Commission officially declared the area a unit of the State Park System. Since that date, numerous land acquisitions from various private landowners have expanded the park to its present acreage.
Nearby Vacation Rentals
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Chino Hills State Park is located near Anaheim, Arcadia and Azusa

Visitor Comments, Memories and Reviews
May 18 Right at home. by Terri
I live about 1000 feet from the entrance,the place is great,we saw a bobcat in a tree when we went for a hike one day.There is a small creek with frogs.
May 8 COOL by JHON
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The park is located 10 miles northwest of Corona. Take the 91-Freeway to Highway 71-North, turn left at Soquel Canyon. Proceed to Elinvar and turn left. Elinvar merges into Sapphire on the left, the park entrance is located on the right.4721 Sapphire Road; Chino Hills, CA 91709; Latitude/Longitude: 33.9198 / -117.7144
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California State Parks