Saturday, April 26, 2025
Ranger Reserve – Santiago Oaks Wedding Reception and Ceremony
Ranger Reserves needed to provide excellent customer service and resource protection at Santiago Oaks Regional Park during wedding and reception. The events are limited to 100 people which includes all vendors, wedding party and guests. Alcohol is allowed only with a permit obtained in advance from the Permits Department and served by a licensed bartender under the supervision of a security guard.
Earth Day at the Bay

OC Parks and the Newport Bay Conservancy invite you to attend our annual celebration: Earth Day at the Bay.
This free, family-friendly event features environmental-themed exhibits from community partners and local artists. Booths will feature activities which include arts and crafts, science discovery and educational information. There will be live music throughout the day as well as a scavenger hunt complete with prizes. Be sure to enter the opportunity drawing as well!
Food trucks will be on site with tasty treats available for purchase.
For more information call (949) 923-2290 or email unbic@ocparks.com.
Crazy 8 Hike in Red Rock Wilderness

Join us on this moderate paced fitness hike in OC Parks Red Rock Wilderness Park. We will hike around 8 miles at a 3.5 mph pace through coastal sage brush and see views of the surrounding Limestone and Black Star Wilderness areas. This hike is designed for fit individuals who relish the challenge of a brisk outdoor adventure. Please bring a minimum 70 oz. of water. Come prepared with a pack, sturdy closed-toed hiking shoes or boots, sunscreen, first aid, and all other supplies to keep you safe and healthy on the trail. Each participant must carry his or her own pack and water. Under-prepared participants may be denied access to this activity.
Family Hike: Baker Canyon

Enjoy an afternoon family hike in Baker Canyon, part of OC Parks’ Irvine Ranch Open Space. We will hike along a flat trail as we watch for red-tailed hawks and mule deer. The hike will average 2 miles round trip at an easy pace with a medium level of interpretation. This program is for participants who would enjoy a slower-paced and level hike. Wear comfortable clothes and sturdy shoes and bring water for the hike.
Sunset Fitness Hike on Paved Hicks Haul Road: Both Sides of Loma Ridge

You will enjoy a gorgeous sunset with panoramic views of Orange County while hiking in OC Parks’ Irvine Ranch Open Space on the paved Hicks Haul Road. This hike travels 6 miles, out and back crossing over Loma Ridge. This is the perfect activity for you to get your work-out in and view the sunset. The hike is conducted at an average pace of 3 miles per hour, but you may travel a bit faster or slower, at a walk, run, or jog depending on your comfort level. 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.
Explore the Universe: Space Ranger Program and Starr Party

Join us for an unforgettable evening under the stars at Ronald W. Caspers Wilderness Park! The Space Ranger Program and Starr Party, hosted by OC Parks staff and volunteers, offer fun and learning for families and space enthusiasts alike. No camping required—just bring your curiosity!
Space Ranger Program
Kick off your night with the Space Ranger Program, a one-hour event starting one hour before sundown at the Nature Center. This engaging experience features fun activities and space-related talks, perfect for all ages. Visitors are welcome to attend the Space Ranger Program independently of the Starr Party. Earn “Space Ranger” rewards by attending multiple programs and reaching exciting milestones along your cosmic journey!
Starr Party
For over 25 years, Caspers Park has been a hub for stargazing, earning California’s first “Star Park” designation in 2013. Once the sun sets, the Starr Party begins! Join us outdoors to marvel at the stars and explore the cosmos through telescopes provided by volunteers and OC Parks staff. Telescopes will be available until 9 PM, and visitors may leave whenever they choose.
What to Expect
Expert Guidance: Volunteers will share fascinating insights about the night sky and celestial objects.
Family-Friendly Fun: Activities designed for visitors of all ages.
Optional Gear: Feel free to bring binoculars, telescopes, or cameras, but no equipment is necessary to enjoy the event!
Event Details
Location: Ronald W. Caspers Wilderness Park Nature Center
Parking: Available in the lower lot near the Nature Center.
Admission: A vehicle entry fee applies for those without a camping reservation. The event itself is free.
Weather Notice
This event is weather-dependent. In case of inclement weather, parts of the program may be affected. For updates, call (949) 923-2210 on the day of the event to confirm if we’re clear for takeoff!
Sunday, April 27, 2025
Ultra Distance Hike: Bommer Canyon

The title says it all. This is your chance to venture deep in the Irvine Open Space Preserve. Join us for a challenging and beautiful adventure. Hiking distance is up to 17 miles and is designed for advanced hikers. Participants must be physically fit and have distance hiking experience. Singletrack trails, steep climbs and descents are numerous on this route, with over 2,800 feet of accumulated climbing elevation. Most months, the route stays in the Irvine Open Space Preserve for its entirety, but will occasionally feature hiking to the sea and back: beginning in Bommer, the hike will head into Crystal Cove State Park, then pass through Laguna Coast Wilderness Park before returning to the Irvine preserve.
Bommer Canyon East Fork and Ridge Route Loop Hike

Experience the serenity of Bommer Canyon during this moderate-paced hike in the Irvine Open Space Preserve. We’ll experience mature coastal sage scrub and fantastic views overlooking the city of Irvine and the hillsides to the north. This hike is just over 3 miles and includes 700 feet of total climbing elevation with several very steep inclines. The steepest section ascends 300 feet in a quarter-mile. Participants must be in good physical condition.
Early Morning Hike: Fremont Canyon

Come enjoy an early morning hike in Fremont Canyon Nature Preserve, part of OC Parks’ Irvine Ranch Open Space. Our hike climbs steeply from the mouth of Fremont Canyon, past an abandoned coal mine up to the Fremont Weather Station where winds have been clocked at up to 100 mph. After enjoying the view, we’ll hike back the same way to our starting point. This hike involves steep hills and a 1200’ elevation change but the rewards are panoramic views of Orange County, the Santa Ana Mountains and surrounding areas as well as possible wildlife sightings. Please arrive 15 minutes early; the entrance gate will be shut and locked 5 minutes before start of the activity. Be sure to come prepared with a sturdy day pack, water, snacks, closed-toe hiking shoes or boots, sunscreen, first aid, and all other supplies to keep you safe and healthy on the trail.
Sunday Fitness Hike at Hicks Haul

Join us Sunday morning in OC Parks’ Irvine Ranch Open Space for a fitness-focused hike on the Hicks Haul Road, West Loma and Shoestring trails in Limestone Canyon. Hikers will enjoy wonderful views and a panoramic overview of Orange County. The hike starts at Hicks Haul Road staging area and will cover a distance of 8 miles, about 5 miles of the hike is on paved surface and rest on trails. Participants are expected to hike close to 3 miles per hour and come prepared with closed toe hiking boots or shoes, water, trail snacks, sunscreen, hat, day pack or fanny pack, and any other necessary equipment or supplies you might need to keep you safe on this hike.
Mountain Bike Clinic: Terrain Skills

If you are new to mountain biking and interested in getting started the right way, or if you just want to hone your existing skills developing terrain-influenced bike handling over several types of man-made features, this is the clinic for you! The class begins with a brief overview of rider fundamentals starting with platform position and weight transfer then covering equipment basics & setup, braking, gearing and a brief bike maintenance Q&A session followed by a series of exercises demonstrating terrain-influenced bike handling over a variety of man-made features including log piles, rock step-ups, A-frames and many more. These riding techniques will be taught and practiced at the Mountain Bike Skills Development area. This activity originates in the City of Irvine and travels into OC Parks’ Irvine Ranch Open Space.
Land Tending – Berns Canyon Preserve

Join Laguna Canyon Foundation at one of our Land Tending days in Berns Canyon Preserve as we learn and work together to create a healthier habitat for the native plants and wildlife that call the canyon their home. Depending on the time of year, volunteers will assist with various stewardship activities, including removal of non-native plants, hand watering, seed collection, and/or planting of native plants. No experience is necessary. Come out and join the team to help restore the wild lands we all enjoy!
Age: 16 or older. Participants under 18 must be accompanied by a parent or guardian.
Location: Laguna Canyon Foundation Headquarters (10 Phillips St. Laguna Beach, CA 92651, West side of highway 133)
Parking: Free parking for Land Tending volunteers at LCF Headquarters. Parking is limited, carpooling is encouraged.
Difficulty Rating: 2/5
Materials: Participants must bring plenty of water, closed-toed shoes, long pants, and sun protection. Gloves and tools are provided. Long sleeves 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 or marjorie@lagunacanyon.org with any questions.
Weather, including high temperatures and wet or muddy trail conditions, may lead to cancellation of this event.
CANCELLED: Weekly Nature Area Clean Up

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 9 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
Guided Interpretive Hike

Come enjoy an easy, 2.5-mile hike over easy but uneven terrain with approximately 50 feet of elevation gain. We will have interpretive stops along the way to learn about the Bay, as well as the plants and animals that call it home.
Please bring water, snacks, and sun protection as needed. This program is geared towards those 8 and up. Individuals 16 and under must be accompanied by an adult.
The program and parking are free. Adverse weather may cancel the program.
Walk-ups are welcome, but advance registration is recommended.
Nature Meditation Walk

Do you want to unplug and relax in nature? Join Laguna Canyon Foundation Volunteers on a guided walk to experience the outdoors in a new way and allow your natural sense of wonder to take you to a mindful space outside.
We will walk less than 1 mile on relatively flat terrain and take stops along the way to engage in playful activities and mindfulness exercises to deepen our connection with the natural environment and ourselves. Our walk will end with a tea ceremony focused on reciprocity, a segue from the special, quiet space we share on our walk, back to the busy world.
Disclaimer: This program involves drinking tea made from sustainably sourced native plants. If you have food allergies or sensitivities, please be sure to notify park staff upon arrival.
Age: 10 or older. Participants under 18 must be accompanied by a parent or guardian.
Location: Aliso & Wood Canyons Visitor Center, Aliso & Wood Canyons Wilderness Park (28373 Alicia Parkway, Laguna Niguel, CA 92677)
Parking: $3/car at Aliso & Wood Canyons parking lot. Parking is limited, carpooling is encouraged.
Difficulty Rating: 1/5
Materials: Participants must bring plenty of water, closed-toed shoes, and sun protection. A yoga mat or portable chair is recommended. Sitting materials will be provided for those who need them. For the program, expect to quiet your cellphones.
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.
Weekly Nature Area Clean Up

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 9 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.
Family Hike

Join Laguna Canyon Foundation Volunteer naturalists in partnership with OC Parks to enjoy an easy, 2.5-mile Family Hike over moderate but uneven terrain (45-ft. elevation gain). Starting at the James Dilley Preserve, we will hike one of the most diverse areas of Laguna Coast Wilderness Park to Barbara’s Lake and back.
Age: 6 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.
Twilight Fitness Hike in Limestone Canyon

Limestone Canyon is a treasure waiting to be discovered. Join us for an afternoon, fast paced, 5.5-mile fitness hike with 750 ft of elevation. The hike will be a great introduction to fitness, cardio-style hikes as well as OC Parks’ magnificent Irvine Ranch Open Space. Views of Limestone Canyon, and the surrounding wilderness, from Limestone Ridge will be the highlight of our tour.
Starry, Starry Night

Come join us for an interactive evening under the stars. Immerse yourself in a scaled-down version of our solar system. Test your imagination in naming the constellations. Reenact the struggle between Orion and the Scorpion. The hike will average 2-3 miles round trip at an easy pace with a high level of interpretation. This program is for participants who would like a slower-paced hike. Wear comfortable clothes and sturdy shoes and bring water for the hike. This activity is designed with kids ages 5 – 12 in mind but, everyone is welcome.
Monday, April 28, 2025
Bright Birds of Spring in Fremont Canyon – Bird Walk

It’s easy to think many of the birds we see and hear look and act the same. But do they? Bring your binoculars and join us on a slow/medium paced walk in OC Parks’ Irvine Ranch Open Space, as we search for resident and visiting birds of the local coastal sage scrub, oak woodland, riparian, and grassland habitats. We will discuss the diverse features of the birds we observe and how they match the season, their habitat and lifestyle. We will travel mostly on ranch roads, usually without shade. Beginners to advanced bird enthusiasts are welcome. Please wear sturdy shoes suitable for hiking and bring water, along with sun protection such as a hat and sunscreen. Bring a small birding field guide if you have one. A few binoculars will be available to borrow.