Activities and Programs

The activities below are offered by a variety of organizations and their dedicated volunteers. All programs are FREE unless noted below. Programs led by IRC-Certified Volunteers require pre-registration, which closes at 4 p.m. on the day prior to the event.  No walk-up registrations will be permitted for these events. For policies of other organizations, please use the sign-up information provided. For mobility device policies click here.

Irvine Ranch Conservancy is committed to providing a safe and respectful environment for all participants, volunteers, and employees. Certain offensive behaviors, including problematic language or attacks based on race, color, religion, national origin, sex, sexual orientation, gender identity or expression, age, disability, or veteran status will not be tolerated. Participating in certain offensive behaviors may lead to dismissal from activities.
    Note: Minors must be accompanied by a parent or guardian for these events. For programs requiring online registration, each adult and child must be registered.

Need help? For the fastest answers, look for organization-specific contact information in each event listing (click More Information for full listing). If no contact information is listed, email info@irconservancy.org for assistance.

Updated Difficulty Ratings: The Hiking and Fitness Difficulty Ratings have been updated to reflect our current activities. Please click below to read the ratings.

Click here to learn more about IRC-Certified Volunteers.    •   Click here to learn more about the Difficulty Ratings.

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Found 665 Events

Tuesday, April 29, 2025

Evening Hike on Hicks Haul Road

Hiking & Fitness
Evening Hike on Hicks Haul Road

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 Ranch Open Space, 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.

Evening Hike on Hicks Haul Road
Date:
Tue, 04/29/2025
Time:
6:00 pm - 7:30 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
3
Distance:
3.5 miles
Minimum Age:
12
Spaces Left:
Registration for this event opens at 8:00am on 04/14/2025
More Information  

Limestone Canyon Night Ride

Mountain Biking
Limestone Canyon Night Ride

Join us for a night mountain bike ride through Limestone Canyon, part of OCParks’ Irvine Ranch Open Space. This should not be your first night ride. Bring adequate lights, jacket, plenty of water, spare tubes, tools and all other equipment to be self-sufficient on the trails. We will ride approximately 11 miles, with 1500′ of climbing along singletrack trails and ranch roads. Hopefully we will see some of our local nocturnal critters.

 Motorized recreation vehicles of any class or type are not permitted for use in the Nature Preserve.

Limestone Canyon Night Ride
Date:
Tue, 04/29/2025
Time:
6:00 pm - 8:30 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
4
Distance:
11 miles
Minimum Age:
16
Spaces Left:
Registration for this event opens at 8:00am on 04/14/2025
More Information  

Wednesday, April 30, 2025

Twilight Hike in Orchard Hills

Hiking & Fitness
Twilight Hike in Orchard Hills

Come out and enjoy the evening with us on the Orchard Hills loop trail. This trail meanders around an avocado orchard on the edge of the open space preserve and provides fantastic ridge-top views of Irvine and the Pacific coastline.

The three-mile loop has several very steep climbs and uneven terrain. This hike is done at a moderate pace. Your effort is rewarded with a beautiful, unobstructed view to the west. This hike is not suitable for children under 12. Wear sturdy, closed-toed hiking shoes, bring water and a red LED flashlight.

Twilight Hike in Orchard Hills
Date:
Wed, 04/30/2025
Time:
5:30 pm - 7:30 pm
Where:
Orchard Hills
Difficulty Rating:
3
Distance:
3 miles
Minimum Age:
12
Spaces Left:
Registration for this event opens at 8:00am on 04/15/2025
More Information  

After Work Fitness Hike on Paved Hicks Haul Road

Hiking & Fitness
After Work Fitness Hike on Paved Hicks Haul Road

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.

After Work Fitness Hike on Paved Hicks Haul Road
Date:
Wed, 04/30/2025
Time:
6:00 pm - 7:30 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
3
Distance:
3.5 miles
Minimum Age:
16
Spaces Left:
Registration for this event opens at 8:00am on 04/15/2025
More Information  

Thursday, May 1, 2025

Thursday Morning Trek: Limestone Canyon and Dripping Springs

Hiking & Fitness
Thursday Morning Trek: Limestone Canyon and Dripping Springs

This week in OC Parks’ Irvine Ranch Open Space, we’ll hike in Limestone Canyon to Dripping Springs. The hike is a 7-mile loop hike which includes some hills and descents. In addition to the springs, we will enjoy panoramic views of the wildlands from East Loma. Please bring water, a trail snack, sun screen, hat, and any other necessary equipment to keep you safe on the trail, and wear sturdy, closed-toe hiking boots. Participants must be able to hike 7 miles with an elevation gain of 1300 feet at an average moving rate of 3 miles per hour. Each hiker must carry his/her own water and supplies.

Thursday Morning Trek: Limestone Canyon and Dripping Springs
Date:
Thu, 05/01/2025
Time:
7:30 am - 11:00 am
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
4
Distance:
7 miles
Minimum Age:
16
Spaces Left:
Registration for this event opens at 8:00am on 04/16/2025
More Information  

Open Space Invaders: Invasive Plant Removal at Silverado

Stewardship
Open Space Invaders: Invasive Plant Removal at Silverado

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.

Open Space Invaders: Invasive Plant Removal at Silverado
Date:
Thu, 05/01/2025
Time:
8:00 am - 11:00 am
Where:
Black Star Canyon Wilderness Park
Difficulty Rating:
3
Distance:
0 miles
Minimum Age:
18
Spaces Left:
Registration for this event opens at 8:00am on 04/16/2025
More Information  

Fitness Hike – Nix/Little Sycamore

Hiking & Fitness
Fitness Hike - Nix/Little Sycamore

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, 7.2-mile hike over steep and uneven terrain with a 1,050-ft. elevation gain.

Age: 16 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: 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.

Fitness Hike - Nix/Little Sycamore
Date:
Thu, 05/01/2025
Time:
8:30 am - 11:00 am
Where:
Laguna Coast Wilderness Park
Difficulty Rating:
4
Minimum Age:
16
More Information  

Equestrian Ride: Discover The Natural Wonders Of Weir Canyon

Equestrian
Equestrian Ride: Discover The Natural Wonders Of Weir Canyon

Be prepared to experience the beauty and wonder of Weir Canyon, part of OC Parks’ Irvine Ranch Open Space, steeped in history and lore, on this morning equestrian ride. The ride will travel through Weir Canyon, where the trail weaves its way through a beautiful oak woodland inhabited by deer, coyote, bobcat, and many different birds. You will travel the route of the Butterfield Stage and see a monument dedicated to the Mexican ox cart drivers. If time permits, we will climb to the Two Tower vista point to look at distant views. This ride travels on wide trails with several easy to moderate climbs. Equestrians who have trail riding experience and their own fit and able horse are welcome. You will need to transport your horse to the staging area. Owners of unshod horses, please note that footing will include areas of gravel and distances over asphalt pavement. Please bring water on the ride.

Equestrian Ride: Discover The Natural Wonders Of Weir Canyon
Date:
Thu, 05/01/2025
Time:
10:00 am - 2:00 pm
Where:
Weir Canyon Nature Preserve
Difficulty Rating:
3
Distance:
5 miles
Minimum Age:
18
Spaces Left:
Registration for this event opens at 8:00am on 04/16/2025
More Information  

Moving with Nature in Mind – Yoga at the Farm

Hiking & Fitness
Moving with Nature in Mind - Yoga at the Farm

Join us at our beautiful Native Seed Farm for an all-levels Vinyasa yoga class. This one-hour outdoor yoga class will incorporate both static posture holds and a dynamic sequence of asanas, flowing from one pose to the next, while connecting breath with movement. The practice will include options for modifications, proper alignments and breathing techniques. Increase balance, flexibility, strength, and mental clarity while reducing tension and stress.

Please bring water, a yoga mat, a large towel (optional) to place under your mat, wear athletic clothing, and bring appropriate clothing layers and sun protection for the weather.

Moving with Nature in Mind - Yoga at the Farm
Date:
Thu, 05/01/2025
Time:
5:00 pm - 6:15 pm
Where:
Native Seed Farm OCP
Difficulty Rating:
1
Minimum Age:
15
Spaces Left:
Registration for this event opens at 8:00am on 04/16/2025
More Information  

Evening Hike on Hicks Haul Road

Hiking & Fitness
Evening Hike on Hicks Haul Road

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.

Evening Hike on Hicks Haul Road
Date:
Thu, 05/01/2025
Time:
6:00 pm - 7:30 pm
Where:
Irvine Open Space Preserve
Difficulty Rating:
3
Distance:
3.5 miles
Minimum Age:
12
Spaces Left:
Registration for this event opens at 8:00am on 04/16/2025
More Information  

Friday, May 2, 2025

Early Morning Hike: Santiago Oaks to Weir

Hiking & Fitness
Early Morning Hike: Santiago Oaks to Weir

Join us on this beautiful early morning hike passing through Irvine and Santiago Oaks Regional Parks and then crossing into Weir Canyon Nature Preserve, part of Irvine Ranch Open Space. Leaving Santiago Oaks, we drop into lower Weir Canyon, winding our way back to Irvine Regional Park. Distance is around 7 miles with a few steep climbs and descents.

Early Morning Hike: Santiago Oaks to Weir
Date:
Fri, 05/02/2025
Time:
6:30 am - 9:30 am
Where:
Weir Canyon Nature Preserve
Difficulty Rating:
4
Distance:
7 miles
Minimum Age:
18
Spaces Left:
Registration for this event opens at 8:00am on 04/17/2025
More Information  

Growing Together at the Native Seed Farm

Stewardship
Growing Together at the Native Seed Farm

Looking for a way to give back to Nature this Spring? Come help us behind the scenes at the Irvine Ranch Conservancy’s one-of-a-kind Native Seed Farm in Irvine! Every day at the farm is different; depending on the needs of the farm we will be harvesting seeds from beautiful native plants, planting new seeds in the annual plots, working in our native plant demo garden, or tending to younger seedlings in our nursery.

Working with us at the Native Seed Farm is a great way to grow your community and cultivate knowledge about local plant and wildlife! Absolutely no experience or special equipment required! 

Growing Together at the Native Seed Farm
Date:
Fri, 05/02/2025
Time:
8:00 am - 11:00 am
Where:
Native Seed Farm OCP
Difficulty Rating:
2
Minimum Age:
8
Spaces Left:
Registration for this event opens at 8:00am on 04/17/2025
More Information  

Accessibility Hike for All: Plants Among Us

Interpretive
Accessibility Hike for All: Plants Among Us

Curious to learn about the plants among us, who’s sus and who’s not? For this Accessibility Hike for All, join us for a hike in Limestone Canyon where we’ll look at local flora, talk about native and non-native species, and learn how different plants impact our ecosystem.

Accessibility Hike for All activities are open to everyone. They are designed to include added attention towards accommodating a number of accessibility needs, including:

  • Hiking on a paved, mostly level road
  • Having an American Sign Language (ASL) interpreter
  • Hiking at a pace that works for the entire group

Be sure to bring water and all items needed to keep you safe during our hike. Hats and sunscreen are highly recommended as there is no shade along this route. If you need any specific accommodations, please email info@IRConservancy.org

Accessibility Hike for All: Plants Among Us
Date:
Fri, 05/02/2025
Time:
9:00 am - 11:30 am
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
2
Distance:
2.5 miles
Minimum Age:
6
Spaces Left:
Registration for this event opens at 8:00am on 04/17/2025
More Information  

Bommer Canyon East Fork and Ridge Route Loop Hike

Hiking & Fitness
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 and should be able to hike steep hills.

Bommer Canyon East Fork and Ridge Route Loop Hike
Date:
Fri, 05/02/2025
Time:
6:00 pm - 8:00 pm
Where:
Bommer Canyon Preserve
Difficulty Rating:
3
Distance:
3 miles
Minimum Age:
18
Spaces Left:
Registration for this event opens at 8:00am on 04/17/2025
More Information  

Night Sky Exploration Hike in Black Star

Interpretive
Night Sky Exploration Hike in Black Star

Come take a tour of the night sky, while hiking along the red rocks in Black Star Canyon, part of OC Parks’ Irvine Ranch Open Space. We will explore the importance of dark skies and the use of stars for navigation, by wildlife and our ancestors. Please dress in layers, bring water, and come prepared with a pack, sturdy closed-toed hiking shoes or boots, first aid, and all other supplies to keep you safe and healthy on the trail. Each participant should carry their own pack and water. Under-prepared participants may be denied access to this activity. All flashlights must have a red lens or red tinting.

Night Sky Exploration Hike in Black Star
Date:
Fri, 05/02/2025
Time:
8:00 pm - 9:30 pm
Where:
Black Star Canyon Wilderness Park
Difficulty Rating:
2
Distance:
3.5 miles
Minimum Age:
All Ages
Family Friendly:
Yes
Spaces Left:
Registration for this event opens at 8:00am on 04/17/2025
More Information  

Saturday, May 3, 2025

Fremont Distance Hike

Hiking & Fitness
Fremont Distance Hike

**Due to trail closures, this hike is being rerouted. It will not be the full 16 mile loop but an out and back to “Mini Moab”. The hike will be shortened to 14 miles with 2900 feet of elevation gain.**

Join us for an extremely challenging and strenuous hiking adventure in the scenic Fremont Canyon Wilderness Area. This 16-mile loop hike is for experienced, physically fit distance hikers. The hike is on fire/SCE dirt roads with numerous significantly steep, unrelenting climbs and descents. We hike the entire rim of Fremont Canyon, passing by an abandoned coal mine, the Fremont Weather Station and the remnants of a rare stand of Tecate cypress. Along the way we’ll have sweeping views of Orange County, the Santa Ana Mountains and surrounding mountain ranges.

Fremont Distance Hike
Date:
Sat, 05/03/2025
Time:
7:00 am - 1:00 pm
Where:
Fremont Canyon Nature Preserve
Difficulty Rating:
5
Distance:
16 miles
Minimum Age:
18
Spaces Left:
Registration for this event opens at 8:00am on 04/18/2025
More Information  

An Accessible and Inclusive Experience: Birding Using the Power of Sound

Interpretive
An Accessible and Inclusive Experience: Birding Using the Power of Sound

Bommer Canyon is home to a variety of birds whose unique songs and calls fill the air to enhance our experience in nature. In this activity we will focus on identifying birds by their vocalizations, making it an inclusive and accessible experience for all, including those with visual impairments.

The activity will start at the Cattle Camp with an introduction on how to recognize and distinguish bird sounds by pitch, tone, and pattern. Then embark on a short walk to immerse yourself in the audible sounds of nature and practice identifying birds by their distinct vocalizations. We will walk slowly for about half a mile through a maintained hard packed dirt trail about four feet wide.

No prior experience is necessary. Participants can bring their own birding enhancement equipment and extra binoculars will be available. Wear comfortable clothing and shoes and join us in appreciating and enjoying our feathered friends through the power of sound.

Be sure to bring water and all items needed to keep you safe during our activity. If you need any specific accommodations, please email info@IRConservancy.org

An Accessible and Inclusive Experience: Birding Using the Power of Sound
Date:
Sat, 05/03/2025
Time:
7:30 am - 9:30 am
Where:
Bommer Canyon Preserve
Difficulty Rating:
1
Distance:
0.5 miles
Minimum Age:
16
Spaces Left:
Registration for this event opens at 8:00am on 04/18/2025
More Information  

Hiking Through History

Interpretive
Hiking Through History

Celebrate 50 years of recreation at Santiago Oaks Regional Park by hiking through its history! Learn about the Windes family that called this park home, the flood of 1969 and the grassroots effort to preserve Barham Ranch as parkland. Stops will include the Historic and Villa Park dams, iconic orange grove, nature center and more.

The walk will begin in front of the nature center located near the park entrance and will be approximately 2 miles with little elevation gain.

Walk-ins are welcome, but registration is recommended.

Children must be accompanied by a parent or guardian during the program and strollers are not recommended. Sun protection, sturdy footwear and plenty of water are strongly encouraged.

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

Inclement weather may cancel the program.

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

Hiking Through History
Date:
Sat, 05/03/2025
Time:
8:00 am - 10:00 am
Where:
Santiago Oaks Regional Park
Difficulty Rating:
1
Minimum Age:
10
Spaces Left:
Registration for this event opens at 12:00am on 04/19/2025
More Information  

Native Plant Nursery – LCF Headquarters

Stewardship
Native Plant Nursery - LCF Headquarters

Join us at Laguna Canyon Foundation Headquarters’ native plant nursery as we care for native plants from their seed stage to their mature, ready-to-be planted stage. Volunteers may collect seeds, sow seeds in flats, bump plants up, plant at restoration sites, sterilize plant containers, and generally help maintain the nursery. Gain hands-on experience with habitat restoration while working alongside other zany and interesting plant lovers!

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 for Native Plant Nursery volunteers! 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.

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 dulce@lagunacanyon.org with any questions.

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

Native Plant Nursery - LCF Headquarters
Date:
Sat, 05/03/2025
Time:
8:00 am - 11:00 am
Where:
Laguna Coast Wilderness Park
Difficulty Rating:
2
Minimum Age:
16
More Information  

Wilderness Access Day: Black Star Canyon

Special Events
Wilderness Access Day: Black Star Canyon

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.

Wilderness Access Day: Black Star Canyon
Date:
Sat, 05/03/2025
Time:
8:00 am - 2:00 pm
Where:
Black Star Canyon Wilderness Park
Difficulty Rating:
Variable
Distance:
Variable
Minimum Age:
All Ages
Family Friendly:
Yes
Spaces Left:
Registration for this event opens at 8:00am on 04/18/2025
More Information