Come explore Gypsum Canyon Wilderness, the northernmost portion of OC Parks’ Irvine Ranch Open Space. This scenic hike involves steep climbs and descents on several single-track trails and is done at an average moving pace of 3 miles per hour. The rewards are many: panoramic views of Fremont and Weir Canyon Nature Preserves and beyond, possible wildlife sightings, interesting rock formations, and beautiful wildflowers in season.

Explore the natural wonders of Peters Canyon Regional Park with OC Parks! Join us on the first Wednesday of each month for a variety of kid friendly hikes and talks.

This program will begin outside the park office, near the flagpole. Program content is tailored for ages 2 to 6, but all are welcome to attend. Water, comfortable attire and closed-toe shoes are recommended. Strollers are permitted on the walk, but please be aware this walk will be on non-paved trail surfaces.

Inclement weather may cancel the program.

The program is free and parking is $3 per vehicle.

Advance registration is required.

For questions, please contact Resource Specialist Shelly Marshall at shelly.marshall@ocparks.com.

Discover the science behind bioluminescence and ultraviolet (UV) light, and how different animals and plants use these glowing abilities for survival, communication, and beauty. We’ll see how flowers appear to pollinators in UV, explore plankton under a microscope, and finish with a hands-on art activity by painting your own glow in the dark painting to take home.

Age: 7 or older. Participants under 18 must be accompanied by a parent or guardian.

Location: Nix Nature Center, Laguna Coast Wilderness Park (18751 Laguna Canyon Road, Laguna Beach 92651, East side of Laguna Canyon Rd/SR-133).

Parking: $3/car at Nix Nature Center parking lot. Parking is limited, carpooling is encouraged.

Difficulty Rating: 2/5

Materials: Participants must bring plenty of water, closed-toed shoes, and sun protection.

Safety precautions and protocols:

Advanced registration required. Every individual, including children, must be registered. Register here.
Group sizes are minimized for safety purposes. For group registrations or questions please email volunteer@lagunacanyon.org
Participants must individually sign a waiver at the beginning of the program. For participants under 18, a parent or guardian must sign the waiver.
To protect all employees, volunteers, and participants, please do not attend if you are not feeling well, have symptoms of illness or have been in contact with someone who was ill.
Contact volunteer@lagunacanyon.org or shelbi.richardson@ocparks.com with any questions.

Weather, including high temperatures and wet or muddy trail conditions, may lead to cancellation of this event.

Join us every Wednesday night in OC Parks’ Irvine Ranch Open Space for a fitness-focused hike on the paved Hicks Haul Road. During the spring, summer and fall, hikers will enjoy wonderful sunset views and a panoramic overview of Orange County. This hike travels about 3.5 miles, up to the top of Loma Ridge and back down. The hike is conducted at an average of 3-3.5 miles per hour, but you may travel a bit faster or slower, at a walk, run, or jog depending on your comfort level. Most participants finish the route in about 1 hour. Because of the paved surface of the road, you may wear regular running or walking shoes. Trail shoes are fine, but not required. Please bring adequate water.

This week in the Irvine Open Space Preserve, we’ll be in Quail Hill, once part of the historic Irvine cattle ranch. The hike is seven and a half miles with some climbing but rewards you with fantastic views overlooking Laguna Canyon and many Irvine locales. Please bring water, a trail snack, sunscreen, hat and any other necessary equipment to keep you safe on the trail. Get your boots out and register to hike the Quail Trail and Shady Canyon singletrack trails.

Nature journaling is a wonderful tool for making observations, creating lasting memories and developing deeper connections with the world around us. This session will cover the basics of art theory and practices, journal anatomy and maximizing your senses.

The program will begin outside the nature center. Bring a nature journal and your own art materials such as pencils, pens or watercolors. A portable chair, sun protection, water and snacks are recommended. Be prepared to move along the trail a short distance and sit to document the beauty around you.

The program is free and parking is $3 per vehicle.

Advance registration required.

Inclement weather will cancel the program.

For questions, please contact Resource Specialist Shelly Marshall at (714) 973-6625 or shelly.marshall@ocparks.com.

Non-native and invasive plant species are invading our native habitat and open spaces. They aggressively compete with our native plants for resources and spreads rapidly once established. Monitoring, management, and removal of these plant species is an important aspect of land management and habitat restoration.

Help us to manage populations of invasive plants and remove them from the habitat. No previous experience is necessary, just a desire to work outside and get dirty! Snake chaps, gloves, and tools will be provided but please feel free to bring your own if you have them. Please wear long pants, long sleeved shirts, close toed shoes, and protective sun protection. Note: This is a wilderness area, there are natural hazards. Snakes, including rattlesnakes, are occasionally seen here.

Please be aware this is a Fitness Hike and not for beginners; the pace is approximately a 19-minute mile. Join Laguna Canyon Foundation Volunteers to raise your heart rate and your spirits on this strenuous, fast-paced, 6.2-mile hike over steep and uneven terrain with an 800-ft. elevation gain.

Age: 16 or older. Participants under 18 must be accompanied by a parent or guardian.

Location: Canyon View Staging Area, Aliso & Wood Canyons Wilderness Park. From Pacific Park/Canyon Vistas intersection, go northwest on Canyon Vistas. We will meet on the paved sidewalk easement leading toward Wood Canyon Trail.

Parking: Free neighborhood parking. Park legally (note street signs) on or near Canyon Vistas, preferably between Coastal Oak and Madia (22144 region of Canyon Vistas). Parking is limited, carpooling is encouraged.

Difficulty Rating: 4/5

Materials: Participants must bring plenty of water, closed-toed hiking shoes, and sun protection. Hiking poles are recommended.

Safety precautions and protocols:

Advanced registration required. Every individual, including children, must be registered. Register here.
Group sizes are minimized for safety purposes. For group registrations or questions please email volunteer@lagunacanyon.org
Participants must individually sign a waiver at the beginning of the program. For participants under 18, a parent or guardian must sign the waiver.
To protect all employees, volunteers, and participants, please do not attend if you are not feeling well, have symptoms of illness or have been in contact with someone who was ill.
Contact volunteer@lagunacanyon.org with any questions.

Weather, including high temperatures and wet or muddy trail conditions, may lead to cancellation of this event.

Enjoy an evening hike through stunning rock formations and fragrant native plants as you listen to the sounds of nature. During this hike in the Irvine Open Space Preserve, you may travel at various hiking speeds based on your comfort level.  This out-and-back program travels 3.5 miles round trip up to scenic Loma Ridge and back down. Please bring a red-tinted flashlight as the return portion of the hike may be after sunset.

Celebrate the 4th of July with us on this morning hike through beautiful Limestone Canyon Nature Preserve, part of OC Parks’ Irvine Ranch Open Space. You’ll be rewarded with a spectacular view of The Sinks as well as sweeping views of Orange County and the Santa Ana Mountains. This hike involves steep climbs and descents on both double and single-track trails.

Please note that the route for this hike may be shortened or altered due to trail conditions or adverse weather.

Join us for what’s sure to be an exciting evening of watching the fireworks from atop the hills in Irvine’s Open Space. This is a challenging hike geared toward experienced hikers with appropriate hiking shoes. Come and enjoy a little nighttime in the wilderness and celebrate our country’s independence. Flashlights are not needed by most participants, only low power ones with red LEDs or filters should be used if necessary in order to preserve night vision.

Bring a pad (kneeling pads work well) or blanket, which you can carry up the trail, to sit on while watching the fireworks. The viewing location that we will be using is on an incline, it is too steep for chairs. Hiking poles are recommended; bring binoculars to watch the fireworks. Wear appropriate clothing layers, it will be warm hiking up and cool while watching the fireworks.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-4 activity on the land.

Come out and assist OC Park Rangers assigned to the Irvine Ranch Open Space (IROS) during this special access event. The event takes place in Black Star Canyon among beautiful oak woodlands and rolling hills, with spectacular views of Orange County that only few get to see. Job duties include event set up, traffic control, visitor service/ check in, post assignments, and trail patrol. Must be a current Ranger Reserve with OC Parks to sign up. No past area experience is needed but welcomed.

Join us on a hiking adventure in scenic Caspers Wilderness Park! Whether you are training for Mt. Whitney or just enjoy vigorous outdoor exercise, this hike is for you. This challenging 12-mile loop will traverse East Ridge trail, connect you with Cougar Pass, then up to Oso trail where you’ll receive breathtaking views of the park and National Forest. Continuing down to San Juan Creek trail, wrapping up on Juaneno trail and Pump House Rd.
We will stage at the Live Oak restroom and begin at 7:15am sharp. Elevation gain is about 1,200 ft and the pace will be steady to finish in about six hours.
Please bring a hat, plenty of water, snacks, sunscreen, and suitable footwear to cover long distances and possible stream crossings. This is snake season, so gator covers are a good idea.

*The route may be modified to accommodate unexpected conditions.
*Parking fee $3 M-F and $5 Sat-Sun
*Domestic Animals are prohibited.

Black Star Canyon, part of OC Parks’ Irvine Ranch Open Space, offers pleasant introductory trails for beginner hikers and families as well as challenging experiences for seasoned trail users. Designated trails are available for self-guided hiking, biking and equestrian use. A variety of trail loops offer extended exploration throughout the canyons. Take time to explore the local plant communities and beautiful scenery in easy 30-minute walks or take in 7+ miles in a strong cardio trek.

Pre-registration is not required for this event, though it is available on the website. If you need driving directions, use the online registration to receive a map and instructions for getting to the Baker Canyon Staging Area. Parking is limited on Black Star Canyon Road and carpooling is strongly recommended. You will not be required to sign-in upon arrival, though an information booth with trail maps and suggested routes will be available in the staging area.

Black Star Canyon, part of OCParks’ Irvine Ranch Open Space, offers pleasant introductory trails for beginner hikers and families as well as challenging experiences for seasoned trail users. Designated trails are available for self-guided hiking, biking and equestrian use. A variety of trail loops offer extended exploration throughout the canyons. Take time to explore the local plant communities and beautiful scenery in easy 30-minute walks or take in 7+ miles in a strong cardio trek.

There is limited space for equestrian parking along Black Star Canyon Road, carpooling is strongly encouraged. Riders must also have the ability to transport their horse to the staging area. It is a “first come, first serve” for trailer parking and therefore early arrival is HIGHLY recommended. Major crowds are typically present at the very start of the event. There are not typical equestrian amenities at the event such as hitching posts, steps to mount your horse or water troughs. Please be sure to time your arrival accordingly so you have plenty of time to enjoy the trails with your horse.  

Join Upper Newport Bay Nature Preserve staff and volunteers in enhancing the Bay’s habitat for local wildlife. Activities may include non-native plant removal, planting natives, watering, trash cleanup, and Butterfly Garden maintenance. No experience is necessary; please bring a hat, sunscreen, snacks, refillable water bottle, etc. Water and tools are provided.

Minors ages 16 and younger must have a legal guardian present at all times.

The program and parking are free. Adverse weather will cancel the event.

Space is limited, so please register to reserve your space (especially for groups.) Walk-ins are welcome but will be accepted based on availability.

The OC Parks Jr. Ranger Program encourages park guests to explore the outdoor world within OC Parks by developing a sense of belonging, becoming a part of nature and feeling empowered to be stewards of Orange County’s natural and cultural resources.

Participants will explore Riley Wilderness Park, complete activities and take the OC Parks Jr. Ranger Oath to earn a unique Jr. Ranger badge. This program will begin outside the Nature Center.

This program is designed for ages 7 to 12, but all are welcome.

Minors must be accompanied by a parent or guardian during the program. Sunscreen, sturdy footwear and water are recommended. As a special reminder, dogs are not allowed at Riley Wilderness Park.

The program is free and parking is $3 on weekdays. Inclement weather will cancel the program.

Advance registration is required.

For questions, please contact Resource Specialist Shelly Marshall at shelly.marshall@ocparks.com.

Enjoy nature with friends and family in Round Canyon. We hike along a fairly flat trail as we watch for red-tailed hawks and mule deer. This activity originates in the City of Irvine and travels into OC Parks’ Irvine Ranch Open Space. The hike averages 2-3 miles round trip at an easy pace with a medium level of interpretation. This program is for participants who would like a slower-paced and level hike. Wear comfortable clothes and sturdy shoes and bring water for the hike.

We love the nightlife! Explore the landscape of Santiago Oaks Regional Park as we set out to search for the nighttime critters that call this park home. From humble toads to graceful owls, you never know what you’ll see!

The program will begin at the Santiago Oaks nature center. Dressing in layers, wearing sturdy footwear, and bringing water are recommended. Red-tinted flashlights are highly encouraged. This hike is not recommended for very small children or strollers. Children must be accompanied by a parent/guardian during the program.

The program is free and parking is $5 per vehicle.

Advance registration is required.

For questions, please contact resource specialist Shelly Marshall at shelly.marshall@ocparks.com.

Come explore OCParks’ Irvine Ranch Open Space. This scenic hike involves steep climbs and descents on both double and singletrack trails and around 1100’ of accumulated climbing elevation. Though challenging, the hike rewards you with sweeping views of the Irvine Ranch Natural Landmarks and Santa Ana Mountains. On clear days you can see Catalina Island and even beyond Orange County into the Los Angeles Basin.