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.

Search & Filter Activities

Found 569 Events

Saturday, August 16, 2025

Family Hike: Agua Chinon

Interpretive
Family Hike: Agua Chinon

Enjoy an afternoon family hike in Agua Chinon, part of OC Parks’ Irvine Ranch Open Space. We hike a gradual climb of 500 ft elevation as we watch for red-tailed hawks and mule deer.  This activity originates in the City of Irvine and travels into Limestone Canyon Nature Preserve. The hike will average 3 miles round trip at an easy pace with a medium level of interpretation. This program is for participants who would enjoy a slower-paced gradual climb hike. Hikers should be in good health able to do a beginning hike over a variety of terrains. Wear comfortable clothes and sturdy shoes and bring water for the hike. Be ready to enjoy the sounds and smells of early evening.

Family Hike: Agua Chinon
Date:
Sat, 08/16/2025
Time:
5:00 pm - 7:30 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
2
Distance:
3 miles
Minimum Age:
5
Family Friendly:
Yes
Spaces Left:
Registration for this event opens at 8:00am on 08/01/2025
More Information  

Keep It Wild – Laguna Coast

Stewardship
Keep It Wild - Laguna Coast

Join Laguna Canyon Foundation and OC Parks at one of our habitat restoration stewardship events in Laguna Coast Wilderness Park 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, 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: Nix Nature Center, Laguna Coast Wilderness Park (18751 Laguna Canyon Road, Laguna Beach 92651, East side of Laguna Canyon Rd/SR-133).

Parking: Free parking for Keep It Wild volunteers 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, 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 with any questions.

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

Keep It Wild - Laguna Coast
Date:
Sat, 08/16/2025
Time:
5:30 pm - 7:30 pm
Where:
Laguna Coast Wilderness Park
Difficulty Rating:
2
Minimum Age:
16
More Information  

Bats: Heroes of the Night

Interpretive
Bats: Heroes of the Night

As the day starts to settle into the night in OC Parks’ Irvine Ranch Open Space, bats awaken, stir and streak into the evening sky. Come hear fascinating tales of our flying mammal. We will head out towards a popular roosting location as we watch our nighttime heroes begin their nightly adventures. This program is ideal to visually observe the bats in flight, though bat detectors are available to listen for their high-frequency calls. Be prepared to walk about 1/2 a mile. Dress warmly as it may be a chilly evening. A camping chair is welcome as we will have a short introductory presentation in the staging area before the walk.

Bats: Heroes of the Night
Date:
Sat, 08/16/2025
Time:
6:30 pm - 8:30 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
1
Distance:
2 miles
Minimum Age:
5
Spaces Left:
Registration for this event opens at 8:00am on 08/01/2025
More Information  

Sunday, August 17, 2025

Advanced Distance Hike: Quail Hill

Hiking & Fitness
Advanced Distance Hike: Quail Hill

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. Hike distance is up to 14 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. Over 2800 feet of accumulated climbing elevation is experienced on this route.

Advanced Distance Hike: Quail Hill
Date:
Sun, 08/17/2025
Time:
6:30 am - 12:30 pm
Where:
Quail Hill
Difficulty Rating:
5
Distance:
14 miles
Minimum Age:
18
Spaces Left:
Registration for this event opens at 8:00am on 08/02/2025
More Information  

Weir Canyon Fitness Hike: Oaks to Overlook Loop

Hiking & Fitness
Weir Canyon Fitness Hike: Oaks to Overlook Loop

Enjoy miles of lush oak studded canyons, fascinating rock formations and sweeping views from the Overlook Trail in the tranquility of the Weir Canyon back country, part of OC Parks’ Irvine Ranch Open Space. On a clear day we’ll be rewarded with glorious views of the San Gabriel and Santa Ana mountains. This is a fitness hike and features an 1500 ft accumulated elevation gain. There are multiple steep climbs and steep descents. Please make sure you are in excellent physical condition! You must be able to hike uphill at an average pace of 3 mph without stopping. A backpack and water are required. Please bring snack, sun screen, hat and wear sturdy closed-toe shoes.

Weir Canyon Fitness Hike: Oaks to Overlook Loop
Date:
Sun, 08/17/2025
Time:
7:00 am - 11:00 am
Where:
Weir Canyon Nature Preserve
Difficulty Rating:
4
Distance:
9.5 miles
Minimum Age:
16
Spaces Left:
Registration for this event opens at 8:00am on 08/02/2025
More Information  

Beginner Hike in Bommer Meadow

Hiking & Fitness
Beginner Hike in Bommer Meadow

Experience the early morning serenity of Bommer Meadow during this slow-paced interpretive hike in the Irvine Open Space Preserve. We’ll experience mature coastal sage scrub and wildlife. This hike is 2 miles and includes 200 feet of total elevation.

Beginner Hike in Bommer Meadow
Date:
Sun, 08/17/2025
Time:
7:30 am - 10:00 am
Where:
Bommer Canyon Preserve
Difficulty Rating:
2
Distance:
2 miles
Minimum Age:
12
Spaces Left:
Registration for this event opens at 8:00am on 08/02/2025
More Information  

Bridges of Buck Gully Hike

Hiking & Fitness
Bridges of Buck Gully Hike

Be inspired by both the natural beauty and recent history of Newport Beach’s Buck Gully Reserve, as we explore this protected area and the collaboration that made it possible. Buck Gully is a natural coastal canyon that opened to the public in 2012 with the installation of four bridges to provide safe public access. The bridges allow exploration of the entire Buck Gully Reserve, and also provide unique vantages and viewing platforms from which to pause and observe the abundant life in and around the stream that runs through the gully year-round. Our guided program starts with a short walk from the Oasis Senior Center to the beginning of the Buck Gully trail, with a visually dramatic entrance into this special canyon. We’ll cross two bridges on the first section of our walk, and then enter the canopied singletrack portion of the trail as we pass by the third bridge. At the fourth and last bridge, we will pause to enjoy the shaded beauty of this hidden refuge, and then retrace our route back to the Oasis.

Bridges of Buck Gully Hike
Date:
Sun, 08/17/2025
Time:
8:00 am - 10:30 am
Where:
Buck Gully Reserve
Difficulty Rating:
3
Distance:
4 miles
Minimum Age:
16
Spaces Left:
Registration for this event opens at 8:00am on 08/02/2025
More Information  

Land Tending with LCF – Laguna Coast

Stewardship
Land Tending with LCF - Laguna Coast

Join Laguna Canyon Foundation and OC Parks at one of our Land Tending days in Laguna Coast Wilderness Park 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 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 or marjorie@lagunacanyon.org with any questions.

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

Land Tending with LCF - Laguna Coast
Date:
Sun, 08/17/2025
Time:
8:00 am - 11:00 am
Where:
Laguna Coast Wilderness Park
Difficulty Rating:
2
Minimum Age:
16
More Information  

Weekly Nature Area Clean Up

Stewardship
Stewardship

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.

Weekly Nature Area Clean Up
Date:
Sun, 08/17/2025
Time:
8:00 am - 10:00 am
Where:
Mile Square Regional Park
Difficulty Rating:
1
Minimum Age:
8
Spaces Left:
Registration for this event opens at 12:00am on 07/18/2025
More Information  

Hoofprints and Horizons: a Gentle Family Hike with a Horse

Interpretive
Hoofprints and Horizons: a Gentle Family Hike with a Horse

Escape into the stunning landscapes of the Irvine Ranch Natural Landmarks with a one of kind family hiking experience. Our guided walk features a friendly horse, offering a special opportunity to interact with these magnificent animals while exploring the natural beauty of Southern California. This walk is perfect for all ages and abilities. It’s a chance to create long-lasting memories and foster a love for both horses and nature.

Please note: This hiking activity is for educational purposes. Participants should not bring their own horses as this is not an equestrian ride.

Hoofprints and Horizons: a Gentle Family Hike with a Horse
Date:
Sun, 08/17/2025
Time:
9:00 am - 12:00 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
2
Distance:
3 miles
Minimum Age:
5
Spaces Left:
Registration for this event opens at 8:00am on 08/02/2025
More Information  

Evening Family Beginner Mountain Bike Ride: Limestone Canyon to The Sinks

Mountain Biking
Evening Family Beginner Mountain Bike Ride: Limestone Canyon to The Sinks

For families and children ages 12 and up who would like to join IRC-certified volunteers in OC Parks’ Irvine Ranch Open Space on a longer, slow-paced, family-oriented ride through sycamores, oaks, and habitat native to California. The route takes us to The Sinks, Orange County’s own “Grand Canyon.” Along the way, we will stop and talk about the local habitat, and hope to see some of our local native animals and raptors. The ride is an 8-9 miles with 400-800 feet of elevation gain that may require hike-a‐bike for some riders. Motorized recreation vehicles of any class or type are not permitted for recreational use.

Evening Family Beginner Mountain Bike Ride: Limestone Canyon to The Sinks
Date:
Sun, 08/17/2025
Time:
4:00 pm - 6:30 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
Variable
Distance:
8 miles
Minimum Age:
12
Spaces Left:
Registration for this event opens at 8:00am on 08/02/2025
More Information  

Monday, August 18, 2025

After Work Fitness Hike on Paved Hicks Haul Road

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

Join us every Monday night for a fitness-focused hike on the paved Hicks Haul Road in the Irvine Open Space Preserve. 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 about 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:
Mon, 08/18/2025
Time:
6:00 pm - 7:30 pm
Where:
Irvine Open Space Preserve
Difficulty Rating:
3
Distance:
3.5 miles
Minimum Age:
16
Spaces Left:
Registration for this event opens at 8:00am on 08/03/2025
More Information  

Tuesday, August 19, 2025

Tuesday Morning Fitness Hike on Paved Hicks Haul Road

Hiking & Fitness
Tuesday Morning Fitness Hike on Paved Hicks Haul Road

Ready for a workout? Forget the gym for the day and head outside! Join us for an exhilarating morning fitness hike on the paved Hicks Haul Road in OC Parks’ Irvine Ranch Open Space. This hike allows you to choose between a 3, 6, or 8 mile route, all of which are conducted at the speed of about 3.0 to 3.5 miles per hour. The footing on the asphalt paved road is smoother than dirt roads and single track trails normally found in Limestone Canyon Nature Preserve, but is beginning to show its age with cracks, crevices and an occasional dip. Otherwise, the terrain is smooth, so this is a great walk for anyone who wants a “wilderness experience” without getting dirty! The 6 and 8 mile routes experience two fairly steep ascents and descents. The 3 mile route takes you to the top of Loma Ridge and back down. Along the way, you will have sweeping views of much of Orange County and the Santa Ana Mountains. Various animals, like hawks, deer, and lizards are also frequently seen in this area.

Tuesday Morning Fitness Hike on Paved Hicks Haul Road
Date:
Tue, 08/19/2025
Time:
7:30 am - 10:30 am
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
3
Distance:
8 miles
Minimum Age:
16
Spaces Left:
Registration for this event opens at 8:00am on 08/04/2025
More Information  

Takedown Tuesdays: Weeding at the Native Seed Farm

Stewardship
Takedown Tuesdays: Weeding at the Native Seed Farm

Looking for a way to give back to nature this Summer? Come help us behind the scenes at the Irvine Ranch Conservancy’s one-of-a-kind Native Seed Farm! In this evening activity, attendees will learn about one to two (1-2) target species before assisting staff in weeding efforts around our native plant crops. 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!

Takedown Tuesdays: Weeding at the Native Seed Farm
Date:
Tue, 08/19/2025
Time:
5:00 pm - 6:30 pm
Where:
Native Seed Farm OCP
Difficulty Rating:
3
Minimum Age:
14
Spaces Left:
Registration for this event opens at 8:00am on 08/04/2025
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 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, 08/19/2025
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 08/04/2025
More Information  

Wednesday, August 20, 2025

Summer Birdwatching

Interpretive
Interpretive

Summer is here and so is nesting season! Join an experienced OC Parks volunteer as you stroll through Santiago Oaks Regional Park searching high in the trees for our flittering friends and low in the shrubs for bouncing birds.

Bring your binoculars, sun protection, comfortable shoes and an eye for spotting our feathered friends!

This walk begins at the Santiago Oaks Nature Center.

Walk-ins welcome, but registration is recommended.

Inclement weather will cancel the program.

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

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

Summer Birdwatching
Date:
Wed, 08/20/2025
Time:
7:30 am - 9:30 am
Where:
Santiago Oaks Regional Park
Difficulty Rating:
1
Minimum Age:
12
Spaces Left:
Registration for this event opens at 12:00am on 08/06/2025
More Information  

Explorers Hike: West Canyon Loop

Hiking & Fitness
Explorers Hike: West Canyon Loop

New to Laguna Coast Wilderness Park? Whether you’re a volunteer, a new hiker, or simply curious about this wild and beautiful landscape, join us for a welcoming orientation hike that will help you get your bearings—both on the trails and in the ecosystem.

This guided hike is designed to introduce you to key landmarks, trail connections, scenic viewpoints, and the incredible wildlife and native plants that call this place home. Along the way, we’ll share tips for exploring and stewarding the land responsibly. Perfect for first-time visitors, new volunteers, or anyone who wants to feel more at home in the coastal canyons.

This hike is approximately 4.2 miles long and has 660 feet of elevation gain, and includes views of the beautiful rock formations in the Canyon, the expanse of the South Coast Wilderness, and surrounding features.

Age: 12 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: Free parking for volunteers at Nix Nature Center parking lot. Parking is limited, carpooling is encouraged.

Difficulty Rating: 3/5

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 with any questions.

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

Explorers Hike: West Canyon Loop
Date:
Wed, 08/20/2025
Time:
8:30 am - 11:00 am
Where:
Laguna Coast Wilderness Park
Difficulty Rating:
3
Minimum Age:
12
More Information  

Buck Gully Upper Loop Evening Hike

Hiking & Fitness
Buck Gully Upper Loop Evening Hike

Explore the richness of Newport Beach’s Buck Gully Reserve as we hike during the beautiful early evening hours. The stream is running and the rich plant and animal life is enjoying the cool, shady canyon, making for a fantastic evening hike in a natural oasis amid the suburban surroundings. We’ll walk along San Joaquin Hills Road, which overlooks Buck Gully, for the first mile and then drop down into the canyon on the Bobcat Trail, looping back through the upper end of the gully along the Buck Gully Trail. This activity is conducted at a walking pace, approximately 3 miles per hour.

Buck Gully Upper Loop Evening Hike
Date:
Wed, 08/20/2025
Time:
4:00 pm - 6:30 pm
Where:
Buck Gully Reserve
Difficulty Rating:
3
Distance:
4 miles
Minimum Age:
12
Spaces Left:
Registration for this event opens at 8:00am on 08/05/2025
More Information  

After Work Cardio Hike: Both Sides of The Sinks

Hiking & Fitness
After Work Cardio Hike: Both Sides of The Sinks

Leave the weekday chaos behind and dive into the peaceful beauty of Irvine Natural Landmarks with our energizing after-work cardio hike. Forget about the day’s worries as we trek through stunning landscapes, breathing in the fresh air and taking in the scenic views. Come along for a journey through winding paths and picturesque vistas, where we can recharge and refresh ourselves in the tranquility of nature.

After Work Cardio Hike: Both Sides of The Sinks
Date:
Wed, 08/20/2025
Time:
5:30 pm - 8:00 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
4
Distance:
8 miles
Minimum Age:
18
Spaces Left:
Registration for this event opens at 8:00am on 08/05/2025
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, 08/20/2025
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 12:00am on 08/05/2025
More Information