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Park Rules
No domestic pets. (horses exempt).
No smoking.
Consumption of intoxicants prohibited.
Use of motorized vehicles and equipment is prohibited.
Minors (under 18 years) should be accompanied…
Park Amenities
Barbecues/Fire RingsBarbecues are scattered throughout the park and are available for public use.Barbecues require the use of charcoal briquettes.Visitors may wish to bring their own wire brush or…
Park Amenities
Bicycling/Bike TrailsA variety of trails exist within the park. Please use only marked or signed park trails.Some trails have an elevation gain/loss of over 600 feet. Please dress appropriately.…
Park Rules
Consumption of intoxicants prohibited.A speed limit of 10 MPH enforced at all times.Vehicle operations restricted to designated roads.Fires are permitted only in fireplaces and approved camp stoves.…
OC Parks Volunteer Resources
Below are resources provided to OC Parks Volunteers that will assist volunteers in their role of connecting the community to OC Parks facilities. If you are not yet an OC Parks Volunteer click here…
ONeill Regional Park
Day Use: Open year-round 7 a.m. to sunset.Trails: Closed for three days following rain.Camping: Year-round, check-out at 12 p.m., check-in at 2 p.m.,Office hours: 7 a.m. to 8 p.m. dailyParking fees (…
History
During the past 15,000 years the Gabriolino mission indian tribe, or "Tongva" used this area of hills and valleys for hunting and gathering.In the late 1800's oil was discovered in the Brea area. Oil…
Park Amenities
Dogs Permitted
Interpretive Center
Interpretive Programs
Two locations in the park are offered for weddings: the historic St. George's Episcopal Mission (capacity 75) and an outdoor…
Historic Sites
Arden: Helena Modjeska Historic House and Gardens
Heritage Hill Historical Park
Irvine Ranch Historic Park
George Key Ranch Historic Park
Old Orange County Courthouse
Ramon Peralta Adobe…