Thomas F. Riley Wilderness Park

Thomas F. Riley Wilderness Park

Thomas F. Riley Wilderness Park
30952 Oso Parkway
Coto De Caza, CA 92679
(949) 923-2265
RileyWildernessPark@ocparks.com

Park Hours: 7 a.m. to sunset.

Parking Fee: $3 daily. Machine accepts $1 bills and quarters or Visa/Master Card.

OC Parks Annual Parking Passes available for purchase at the ranger station. Please call ahead to confirm that the office is open -- (949) 923-2265.

Park may be closed for up to three days following rain.

As a wildlife sanctuary, Thomas F. Riley Wilderness Park is home to an abundant number of native plants and animal life. Old groves of Western Sycamores and Coast Live Oaks border the park's two seasonally flowing creeks. The remaining land features rolling hills and canyons of Coastal Sage Scrub and grasslands.

Activities

Children participating in a lesson about butterflies.This 544 acre wilderness park has five miles of multi-use and single track trails offering outdoor enjoyment for hikers, equestrians and mountain bikers. Ranger-led programs as well as self-guided hikes provide opportunities for the visitor to learn about the richness of this sanctuary. The park's outdoor "classroom" atmosphere offers students of all ages, scouts and other youth oriented organizations, a place to experience firsthand, the intricate relationships between the park's wildlife and habitat, offering an opportunity to work on outdoor projects and fulfill classroom requirements.

Parking is available for 50 vehicles including horse trailers. For equestrians, there are 4 pipe corrals and a watering fountain. Other amenities available are picnic tables, portable restrooms, drinking fountains and handicap access to the visitor center.

The Ranger Station houses a hands-on classroom and a variety of interpretive displays which highlight the park's wildlife and history. Surrounding the station is a one acre native plant butterfly garden, a large deck for picnicking and enjoying the views, and informational bulletin boards.

News

October 9, 2018 
3CMA, NACPRO and ASCE Honor OC Parks With Awards of Excellence and Achievement

(Orange County, Calif.) – In 2018 OC Parks received multiple achievement awards from the City-County Communications & Marketing Association (3CMA), National Association of County Park and Recreation Officials (NACPRO), and the Los Angeles Section of the American Society of Civil Engineers (ASCE).


February 5, 2019 
Extended Park Hours Begin March 10

The clocks spring forward early March 10, marking the beginning of daylight-saving time and OC Parks’ spring-summer operating schedule. Most regional parks will be open from 7 a.m. to 9 p.m. Wilderness parks and selected regional parks are open at 7 a.m. and close at sunset year round.


September 21, 2018 
Electric Bicycles Now Permitted on Regional Bikeways

For the past 20 years, Orange County Codified Ordinance OCCO 2-5-29(n) prohibited the use of all motorized conveyances, including electric bicycles (eBikes) on all County bikeways and trails.

On July 17, 2018, the Board of Supervisors passed a revision to the ordinance, making the following exception: “Class 1 and Class 2 electric bicycles, as defined by the California Vehicle Code, on those regional paved, off-road bikeways designated for such use by the Director of OC Parks.”

Currently, this means that Class 1 and 2 eBikes are now permitted on more than 75 miles of paved Orange County regional bikeways. Due to safety concerns, all classes of eBikes continue to be prohibited on unpaved trails within regional and wilderness parks.


December 4, 2015 
Polyphagous Shot Hole Borer in OC Parks Trees

The Polyphagous Shot Hole Borer (PSHB) is an invasive beetle that attacks common native and landscape trees, leading to branch dieback and overall decline. This can have a devastating effect on local trees, and you may see some being treated or removed in County parks.


February 9, 2015 
Invasive Pest Found in Orange County

Gold Spotted Oak Borer (GSOB), an invasive beetle that has killed thousands of oak trees in San Diego and Riverside counties in a short span of time, has now been detected in Orange County. The GSOB was discovered in approximately 60 trees on County park land in northern Orange County. Since GSOB is transported in oak firewood, it is critical that Californians keep firewood local and not move it out of the area.


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