The white cliffs of Upper Newport Bay are composed primarily of microscopic diatoms representing the Monterey Formation and were formed 15 million years ago. Further north, past Big Canyon is the "newer", brown Capistrano formation. The Bay has been sculpted by the Santa Ana River and carved during the glacial...

Dogs Permitted: Dogs must be on a leash at all times. Equestrian Trails Family Picnic Area Hiking Trails Playground/Tot Lot

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 by an adult at all times. This wilderness area is characterized by certain inherent dangers. These dangers include mountain lions, rattlesnakes, poison oak, and...

Barbeques/Fire Rings Barbeques are scattered throughout the park and are available for public use. Barbeques require the use of charcoal briquettes. Visitors may wish to bring their own wire brush or cover the grills with foil. No fire rings are located within the park. Baseball Fields The park has one...

Bicycling/Bike Trails A 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'. Please dress appropriately. Helmets required for visitors under 18 years of age and strongly recommended for every visitor. Speed limit of park trails...

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. Fire prevention must be the first concern of every visitor. Possession or use of firearms or weapons is prohibited. Dogs...

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-Boom conditions existed, the drilling began on what is now Craig Regional Park-Fullerton in the early...

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 Victorian Arbor (capacity 150). Heritage Hill Historical Park does not have bridal or reception facilities. Pricing depends on guest count and permit fees. Please...

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 Historic Site Historic Yorba Cemetery

Laguna Canyon Foundation : Laguna Canyon Foundation, volunteering and helping to preserve, protect and enhance the South Coast Wilderness. 949-497-8324 Aliso and Wood Canyons Wilderness Park Resource Management Plan (RMP) - 2009 Complete RMP (43,000 KB) RMP by Chapters Chapter 1 (354 KB) - Executive Summary Chapters 2-3 (2,400 KB)...