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.

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.

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.

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.

We start our ride through OC Parks’ Irvine Ranch Open Space on the paved Hicks Haul Road, the extension of Jeffrey Rd north of Portola Pkwy. As we warm up on the climb to the top of the road, we enjoy increasingly beautiful views over Irvine. We then follow Loma Ridge to the East, with fantastic vistas of Orange County, the surrounding wildlands, and even Catalina Island on clear days. From Loma Ridge, we descend on a single track to Box Springs which provides year-round water for wildlife like deer.

After the springs, we continue to the Sinks, Orange County’s own “Grand Canyon,” where we enjoy our snacks during a short break. On our way back, we ride along Limestone Ridge, a fun singletrack that leads us towards the Augustine Staging area, enjoying views of Saddleback and Santiago Canyon. From there we will climb back up to Loma Ridge, and then coast back down on the paved Hicks Haul Road to our starting point. Motorized recreation vehicles of any class or type are not permitted for use in the Nature Preserve.

Visitors to IRC’s Native Seed Farm are first greeted by our Demonstration Garden, providing inspiration for regionally suitable plant gardens. Our garden hosts a variety of native plant species which support a healthy local ecosystem!

IRC Volunteers are invited to help at our monthly Garden Maintenance Day! Our tasks each day are to be determined, but we’ll be tackling whatever jobs are a top priority to keep our Garden teeming with native plant life. Weeding, clearing, cutting, digging, watering, whatever it takes! Activities may include bending, stooping, crouching, squatting, long periods of standing, reaching, pulling, grabbing, and pushing.

Come join Laguna Canyon Foundation Volunteer naturalists in partnership with OC Parks to learn about the seasonal life of California Native Plants on this enjoyable 2.5-mile hike (175-ft. elevation gain) over moderately uneven terrain.

Age: 12 or older. Participants under 18 must be accompanied by a parent or guardian.

Location: James Dilley Preserve, Laguna Coast Wilderness Park (I-5 or 405 south to 133 south to stoplight at 73 toll road; and make a U-turn, go 1 block. Dilley is on the right.).

Parking: $3/car at James Dilley Preserve 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. 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.

Join OC Parks staff and volunteers with your furry friend(s) (maximum of 2 dogs per person) for a dog walk at Upper Newport Bay. Come enjoy an easy, 3-mile hike over easy but uneven, unpaved terrain with approximately 75 feet of elevation gain. We will stop along the way to learn about the Bay as well as how to keep both your dog and the wildlife safe when out on our trails.

Please wear closed-toe shoes, have sun-protection as needed, and bring water for both you and your four-legged friends.

To ensure an enjoyable and safe experience for all participants, we have a few important guidelines:
1. Behavioral Expectations – We welcome well socialized dogs that are up to date on their vaccines.
2. Leash Requirement – To ensure the safety of other participants and wildlife, we thank you for keeping your dog leashed at all times within the nature preserve.
3. Owner Responsibility – Owners are fully responsible for their dog’s behavior and asked to keep a close watch on their canine companions.

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

Space is limited and advance registration is recommended.

Join Mile Square Regional Park staff and volunteers in enhancing the Nature Area 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, water, wear closed toe shoes and a long sleeve shirt is recommended. Tools are provided. Please arrive on time, as work will begin promptly at 8 am.

Please note, this is a weekly reoccurring activity and space is limited. Please park in Parking Lot H and walk to the volunteer shed west of the overflow lot entrance.

• Space is limited and pre-registration is required.
• Minors ages 16 and younger must have a legal guardian present at all times.
• Rain or heat advisories cancel the event.

Be prepared to experience the beauty and wonder of Weir Canyon, part of OC Parks’ Irvine Ranch Open Space, including the beautiful views from the Overlook Trail.  This ride will travel through Weir Canyon, where the trail weaves its way through a beautiful oak woodland inhabited by deer, coyotes, bobcats, and a variety of native birds. You will travel the route of the Butterfield Stagecoach and see a monument dedicated to the Mexican Ox Cart drivers. We will continue our ride through coastal sage scrub over large rock formations past oak woodlands and up the Overlook Trail. On a clear day, we will be rewarded with sweeping views of the Irvine Ranch Natural Landmarks and more distant views of the Palos Verdes Peninsula, Los Angeles Basin, and Cleveland National Forest.

The participant’s horse must be able to ride 9+ miles with an accumulated elevation gain of 1800 feet.