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 287 Events

Saturday, June 7, 2025

Wilderness Access Day: Limestone Canyon, Equestrian

Equestrian
Wilderness Access Day: Limestone Canyon, Equestrian

PRE-REGISTRATION is REQUIRED for this event. 

All participants are required to have, a printed copy or on their phone, the confirmation email to show through the window of their vehicle to drive through the entry gate.

You will need the confirmation email for you and your guests to enter the trail system.

Come experience Limestone Canyon’s beauty from the back of your horse. Designated trails will be open for self-guided access hiking, biking, and equestrian use during Wilderness Access Day in Limestone Canyon. Equestrian riders who have trail riding experience with a fit and able horse will enjoy the historic ranch roads of days gone by. Take in the awe-inspiring vistas from the mighty ridge tops and drink in the cool canyon shade through the oak grove.

There is limited space for equestrian parking. Riders must also have the ability to transport their horse to the staging area.

Wilderness Access Day: Limestone Canyon, Equestrian
Date:
Sat, 06/07/2025
Time:
8:00 am - 2:00 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
Variable
Distance:
Variable
Minimum Age:
All Ages
Family Friendly:
Yes
Spaces Left:
Registration for this event opens at 8:00am on 05/23/2025
More Information  

Paws on the Trail

Interpretive
Paws on the Trail

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.

Paws on the Trail
Date:
Sat, 06/07/2025
Time:
9:00 am - 11:00 am
Where:
Upper Newport Bay
Difficulty Rating:
1
Minimum Age:
8
Spaces Left:
23 of 25
More Information  

Wildflower Walk at the Native Seed Farm

Interpretive
Wildflower Walk at the Native Seed Farm

Join us for a leisurely walk through the Native Seed Farm to see our wildflower plots in bloom. We’ll stick to the hard-pack roads around the fields – bring your camera to take photos or simply enjoy the scenery. You’ll learn about the plants we grow and why we grow them, and see pollinators in action. We’ll finish the activity with a walk around the other fields at the farm so that you can see our grasses, woody plants and perennial forbs up close.

Wildflower Walk at the Native Seed Farm
Date:
Sat, 06/07/2025
Time:
12:00 pm - 1:30 pm
Where:
Native Seed Farm COI
Difficulty Rating:
1
Distance:
1 miles
Minimum Age:
8
Spaces Left:
Registration for this event opens at 8:00am on 05/23/2025
More Information  

Seasons Series: Hello Spring!

Interpretive
Seasons Series: Hello Spring!

Orange County may not experience the same seasons as the rest of the country, but signs are there if you know where to look!

Join an OC Parks resource specialist for a walk through Irvine Regional Park to look for the subtle signs that herald an Orange County spring.

This program will begin at parking lot P.

This is a slow-paced, 2-mile walk along Horseshoe Loop Trail with some elevation gain. Water, sturdy footwear and water are recommended. This hike is not recommended for very small children or strollers. Children must be accompanied by a guardian at all times during the program.

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

Walk-ins are welcome, but registration is recommended.

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

Seasons Series: Hello Spring!
Date:
Sat, 06/07/2025
Time:
2:00 pm - 4:00 pm
Where:
Irvine Regional Park
Difficulty Rating:
2
Minimum Age:
8
Spaces Left:
Registration for this event opens at 12:00am on 05/24/2025
More Information  

Family Hike at Black Star Canyon

Interpretive
Family Hike at Black Star Canyon

Enjoy an afternoon family hike in Black Star Canyon, part of OC Parks’ Irvine Ranch Open Space. We will hike along a flat trail and cross a dry creek as we watch for red-tailed hawks and mule deer. The hike will average 3-4 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.

Family Hike at Black Star Canyon
Date:
Sat, 06/07/2025
Time:
5:30 pm - 8:00 pm
Where:
Black Star Canyon Wilderness Park
Difficulty Rating:
2
Distance:
3.5 miles
Minimum Age:
5
Family Friendly:
Yes
Spaces Left:
Registration for this event opens at 8:00am on 05/23/2025
More Information  

Sunday, June 8, 2025

Sunday Fitness Hike at Hicks Haul

Hiking & Fitness
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 8.5 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.

Sunday Fitness Hike at Hicks Haul
Date:
Sun, 06/08/2025
Time:
6:30 am - 9:30 am
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
4
Distance:
8.5 miles
Minimum Age:
18
Spaces Left:
Registration for this event opens at 8:00am on 05/24/2025
More Information  

Trail Running at Bommer Canyon

Hiking & Fitness
Trail Running at Bommer Canyon

Join us for an energizing trail run at Bommer Canyon, a scenic open space in Irvine known for its rolling hills, rugged paths, and breathtaking views of Southern California’s coastal landscape. This 6-mile route, featuring elevation changes totaling 2,500 feet, offers a diverse mix of rocky trails, gentle slopes, and challenging inclines, making it an excellent choice for intermediate and experienced trail runners. We’ll aim for a moderate pace of around 10-12 minutes per mile, adjusting for terrain and taking advantage of flatter sections to push the pace a bit. With a blend of uphill challenges and smooth, runnable stretches, this run will be both a great fitness boost and a beautiful outdoor adventure. Remember to bring water, a hat, sturdy trail running shoes, and some snacks. Participants should be physically fit and have prior experience with trail running or fast-paced distance hiking.

Trail Running at Bommer Canyon
Date:
Sun, 06/08/2025
Time:
6:30 am - 8:30 am
Where:
Bommer Canyon Preserve
Difficulty Rating:
5
Distance:
6 miles
Minimum Age:
18
Spaces Left:
Registration for this event opens at 8:00am on 05/24/2025
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.

Bommer Canyon East Fork and Ridge Route Loop Hike
Date:
Sun, 06/08/2025
Time:
7:00 am - 9:30 am
Where:
Bommer Canyon Preserve
Difficulty Rating:
3
Distance:
3 miles
Minimum Age:
12
Spaces Left:
Registration for this event opens at 8:00am on 05/24/2025
More Information  

Demonstration Garden Maintenance: Native Seed Farm

Stewardship
Demonstration Garden Maintenance: Native Seed Farm

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.

Demonstration Garden Maintenance: Native Seed Farm
Date:
Sun, 06/08/2025
Time:
7:30 am - 11:00 am
Where:
Native Seed Farm OCP
Difficulty Rating:
2
Minimum Age:
18
Spaces Left:
Registration for this event opens at 8:00am on 05/24/2025
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, 06/08/2025
Time:
8:00 am - 11:00 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 05/24/2025
More Information  

Land Tending – Laguna Coast

Stewardship
Land Tending - 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 - Laguna Coast
Date:
Sun, 06/08/2025
Time:
8:00 am - 11:00 am
Where:
Laguna Coast Wilderness Park
Difficulty Rating:
2
Minimum Age:
16
More Information  

Nature Meditation Walk

Interpretive
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: 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: 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.

Nature Meditation Walk
Date:
Sun, 06/08/2025
Time:
9:00 am - 11:00 am
Where:
Laguna Coast Wilderness Park
Difficulty Rating:
1
Minimum Age:
10
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 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.

Weekly Nature Area Clean Up
Date:
Sun, 06/08/2025
Time:
9:00 am - 11:00 am
Where:
Mile Square Regional Park
Difficulty Rating:
1
Minimum Age:
8
Spaces Left:
25 of 25
More Information  

Monday, June 9, 2025

Monday Morning Super Trek: Quail Hill

Hiking & Fitness
Monday Morning Super Trek: Quail Hill

Come start your week with us on our Super Treks in the Landmarks. Join us as we explore the City of Irvine’s Open Space Preserve, hiking Quail Hill and Shady Canyon trails. Our hike will climb through rocky terrain and reward us with spectacular views of the surrounding hills and nearby Irvine. There will be several steep ascents and descents. Participants must be able to hike 9 miles with an elevation gain of 2000 feet at an average moving rate of 3 miles per hour. All participants must carry their own water! Please come prepared with a pack, plenty of water, snacks, sturdy closed-toe hiking shoes or boots, sunscreen, first aid, and all other supplies to keep you safe and healthy on the trail. Under-prepared participants may be denied access to the event!

Monday Morning Super Trek: Quail Hill
Date:
Mon, 06/09/2025
Time:
7:30 am - 11:30 am
Where:
Quail Hill
Difficulty Rating:
4
Distance:
9 miles
Minimum Age:
18
Spaces Left:
Registration for this event opens at 8:00am on 05/25/2025
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 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, 06/09/2025
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 05/25/2025
More Information  

Tuesday, June 10, 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, 06/10/2025
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 05/26/2025
More Information  

Nurturing Oaks in Weir Canyon

Stewardship
Nurturing Oaks in Weir Canyon

Spend the morning in a beautiful oak woodland watering Coast Live Oak seedlings and native plants in Weir Canyon. To get to the planting site we will travel for 15 minutes in a safari style truck giving you majestic views of Weir Canyon. We may be using shovels and small handheld tools. No experience necessary.

Nurturing Oaks in Weir Canyon
Date:
Tue, 06/10/2025
Time:
9:00 am - 12:00 pm
Where:
Weir Canyon Nature Preserve
Difficulty Rating:
2
Distance:
5 miles
Minimum Age:
14
Spaces Left:
Registration for this event opens at 8:00am on 05/26/2025
More Information  

Bommer Canyon Preserve Full Moon Hike

Hiking & Fitness
Bommer Canyon Preserve Full Moon Hike

Experience the serenity of Bommer Canyon Preserve under a full moon during this moderate-paced hike in the Irvine Open Space Preserve. We’ll experience mature coastal sage scrub and fantastic sunset 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.

Bommer Canyon Preserve Full Moon Hike
Date:
Tue, 06/10/2025
Time:
7:30 pm - 10:00 pm
Where:
Bommer Canyon Preserve
Difficulty Rating:
3
Distance:
3 miles
Minimum Age:
12
Spaces Left:
Registration for this event opens at 8:00am on 05/26/2025
More Information  

Full Moon Hike on Hicks Haul Road

Hiking & Fitness
Full Moon 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. This hike is done at an easy walking pace. This out-and-back program travels 3 – 3.5 miles round trip to scenic Loma Ridge and back down.

Full Moon Hike on Hicks Haul Road
Date:
Tue, 06/10/2025
Time:
7:30 pm - 9:30 pm
Where:
Irvine Open Space Preserve
Difficulty Rating:
2
Distance:
3.5 miles
Minimum Age:
12
Spaces Left:
Registration for this event opens at 8:00am on 05/26/2025
More Information  

Wednesday, June 11, 2025

Open Space Invaders: Invasive Plant Removal at Santiago Creek

Stewardship
Open Space Invaders: Invasive Plant Removal at Santiago Creek

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 Santiago Creek
Date:
Wed, 06/11/2025
Time:
8:00 am - 11:00 am
Where:
Fremont Canyon Nature Preserve
Difficulty Rating:
3
Distance:
0 miles
Minimum Age:
18
Spaces Left:
Registration for this event opens at 8:00am on 05/27/2025
More Information  
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