The land comprising Mason Park was originally part of Rancho San Joaquin. This rancho was granted to Jose Sepulveda in 1842 by the Mexican governor Alvarado. In 1864 the Rancho, consisting of 48,803 acres, was acquired by the firm of Irvine, Flint, Bixby and Company. The firm acquired another 59,381...

Subscribe to our mailing list

Park Hours: 7 a.m. to sunset. Note: Parking lot closes at sunset. Visitor Center Hours: Monday – Friday 9 a.m. to 3:30 p.m.; Saturday – Sunday 9 a.m. to 2 p.m. Enter and exit the Awma Road parking lot via Alicia Parkway only. Trails may be closed for three days...

Hiking Trails: Hikers yield right-of-way to equestrians. Hikers have access to all signed trails, including Red Rock Canyon and Billy Goat Trail, which are designated as “Hiking Only.” Mountain Bike Trails: Bicyclists yield right-of-way to hikers and equestrians. A variety of trails exist within the park. Please use only signed...

There are a number of different habitats within the Upper Newport Bay. A habitat is a type of place where a particular animal or plant or group of animals and plants are most at home. In this type of place the general combination of food, water, shelter and space allows...

Tri-City Regional Park is located on the site of the Tuffree Reservoir, built in the 1870s to provide irrigation water for local farms. Urban development in the 1950s and 1960s led to a reduction of agriculture in the area and a greatly diminished need for the reservoir. In the mid-1970s...

Consumption of intoxicants prohibited. Park only in designated areas. Radio-controlled models are prohibited. All fires are prohibited. Fire prevention must be the first concern of every visitor. Use of motorized vehicles and equipment is prohibited. Possession or use of firearms or weapons is prohibited. No pets. (horses exempt) Swimming or...

Irvine Ranch Historic Park is a 16.5 acre special use park that retains 24 original ranch structures that represent the proud agricultural history of Orange County and, specifically, the Irvine Ranch. It was once one of the world’s greatest producers of Valencia oranges, and a leader in dry farming and...

OC Parks Permits is here to help you enjoy your experience in the parks. We are responsible for assisting with private, commercial and non-profit use of OC Parks facilities. Below is a list of the most common types of permits we issue. Important Notice: Permit applications MUST be received 30...

The County is requiring that you (the reservation holder/customer) comply with any and all current health orders and guidelines issued by Federal, State, or local government agencies that apply to your activity. These guidelines are changing often, and it is your sole responsibility to monitor the guidelines which have a...