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 456 Events

Tuesday, June 24, 2025

Butterfly Series: Limestone Canyon Butterfly Habitat Islands

Stewardship
Butterfly Series: Limestone Canyon Butterfly Habitat Islands

Spend your morning helping to remove weeds and rebuild berms within the butterfly habitat islands in Limestone. With your help we will be able to maintain “islands” of host and nectar plants for butterflies in decline in Limestone Canyon. You will be transported from via a safari style truck from butterfly island to butterfly island through a beautiful oak woodland.

Butterfly Series: Limestone Canyon Butterfly Habitat Islands
Date:
Tue, 06/24/2025
Time:
9:00 am - 12:00 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
2
Distance:
2 miles
Minimum Age:
18
Spaces Left:
Registration for this event opens at 8:00am on 06/09/2025
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, 06/24/2025
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 06/09/2025
More Information  

Wednesday, June 25, 2025

Biking the Bay

Mountain Biking
Biking the Bay

Join OC Parks for an interpretive bike ride around Upper Newport Bay! Participants will have the opportunity to get their heart rate up and pedal around the Bay, all while learning about local ecology and history.

This moderately-paced ride will cover a 10 mile section of the Back Bay Loop trail over the course of 2 and a half hours. We will remain on the paved portion of the trail and will have interpretative stops along the way.

Participants must provide their own bike and helmet. E-bikes are welcome. Please note that the pace and talking points are geared towards individuals aged 14 and up. Minors must have a parent/guardian present at all times.

Distance: 10 miles
Elevation Change: 155 feet

Advance registration required. The parking and program are free. Rain or adverse weather will cancel the event.

Biking the Bay
Date:
Wed, 06/25/2025
Time:
8:00 am - 10:30 am
Where:
Upper Newport Bay
Difficulty Rating:
2
Minimum Age:
14
Spaces Left:
Registration for this event opens at 6:00am on 05/25/2025
More Information  

Nature Hike at Red Rock Wilderness

Hiking & Fitness
Nature Hike at Red Rock Wilderness

Visit Red Rock Wilderness, part of OC Parks’ Irvine Ranch Open Space, and explore OC Parks’ newest trails!

This slow-paced hike offers an approachable experience for all skill levels to embrace their senses and explore the local flora and fauna. The hike will cover 3 to 4.5 miles with elevation gain. Hike through a variety of habitats then up a single-track trail with switchbacks and elevation gain to different overlook points with a spectacular view of Orange County.

Nature Hike at Red Rock Wilderness
Date:
Wed, 06/25/2025
Time:
8:30 am - 11:30 am
Where:
Red Rock Wilderness
Difficulty Rating:
3
Distance:
4.5 miles
Minimum Age:
16
Spaces Left:
Registration for this event opens at 8:00am on 06/10/2025
More Information  

Crazy 8 Hike in Red Rock Wilderness

Hiking & Fitness
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.

Crazy 8 Hike in Red Rock Wilderness
Date:
Wed, 06/25/2025
Time:
5:00 pm - 8:00 pm
Where:
Red Rock Wilderness
Difficulty Rating:
4
Minimum Age:
16
Spaces Left:
Registration for this event opens at 8:00am on 06/10/2025
More Information  

Sunset Yoga Hike at Orchard Hills

Hiking & Fitness
Sunset Yoga Hike at Orchard Hills

Unwind in the afternoon with a 3+ mile moderate hike to warm up your legs before experiencing a gentle flow yoga practice in nature. The trail meanders through an avocado orchard on the edge of the open space preserve. The yoga is suitable for those with little or no experience, slower in pace and gentle in practice. Our focus on breath calms the nervous system and has positive effects on mental, emotional and physical health. If you have never done a yoga hike before you will be surprised how connected you feel to nature. Please bring water, a yoga mat plus a large beach towel and wear appropriate shoes for hiking.

Sunset Yoga Hike at Orchard Hills
Date:
Wed, 06/25/2025
Time:
5:00 pm - 8:00 pm
Where:
Orchard Hills
Difficulty Rating:
2
Distance:
2 miles
Minimum Age:
15
Spaces Left:
Registration for this event opens at 8:00am on 06/10/2025
More Information  

After Work Cardio Hike in Limestone Canyon: Limestone Ridge

Hiking & Fitness
After Work Cardio Hike in Limestone Canyon: Limestone Ridge

Come along with us on this afternoon fitness hike through beautiful Limestone Canyon Nature Preserve. You’ll be rewarded with a spectacular view of The Sinks as well as sweeping views of Orange County and the Santa Ana Mountains. This is a 10 mile fitness hike, completed in 3 hours and includes a 1000+ foot elevation change. The hike is for experienced, physically fit hikers who enjoy the challenge of multiple steep climbs and descents.

After Work Cardio Hike in Limestone Canyon: Limestone Ridge
Date:
Wed, 06/25/2025
Time:
5:30 pm - 8:30 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
4
Distance:
10 miles
Minimum Age:
18
Spaces Left:
Registration for this event opens at 8:00am on 06/10/2025
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, 06/25/2025
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 06/10/2025
More Information  

Starry, Starry Night

Interpretive
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.

Starry, Starry Night
Date:
Wed, 06/25/2025
Time:
7:30 pm - 9:30 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 06/10/2025
More Information  

Thursday, June 26, 2025

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:
Thu, 06/26/2025
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 06/11/2025
More Information  

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, 06/26/2025
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 06/11/2025
More Information  

Fitness Hike – Willow

Hiking & Fitness
Fitness Hike - Willow

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, moderately paced, 5.5-mile hike over steep and uneven terrain with a 750-ft. elevation gain.

Age: 16 or older. Participants under 18 must be accompanied by a parent or guardian.

Location: Willow Staging Area, Laguna Coast Wilderness Park (West side of Laguna Canyon Rd/SR-133, just south of El Toro Road).

Parking: $3/car at Willow Staging Area 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 - Willow
Date:
Thu, 06/26/2025
Time:
8:30 am - 11:00 am
Where:
Laguna Coast Wilderness Park
Difficulty Rating:
4
Minimum Age:
16
More Information  

OC Public Library and IRC Nature Storytime Series: Native Plants and Animals on the Irvine Ranch Landmarks

Interpretive
OC Public Library and IRC Nature Storytime Series: Native Plants and Animals on the Irvine Ranch Landmarks

Nature Storytime Experience for Kids and Families

This collaboration between OC Public Libraries and Irvine Ranch Conservancy is an exciting nature experience for the community to learn more about the natural environment surrounding Orange County.

The in-person live discussion includes storybooks, activities, and a craft we begin together.

The Nature Storytime series is about native plants and animals on the Irvine Ranch Landmarks. During this session, we will explore the local native flowers found in the Irvine Ranch Open Space in Orange County.

OC Public Library and IRC Nature Storytime Series: Native Plants and Animals on the Irvine Ranch Landmarks
Date:
Thu, 06/26/2025
Time:
11:30 am - 12:30 pm
Where:
Black Star Canyon Wilderness Park
Difficulty Rating:
1
Distance:
0.5 miles
Minimum Age:
All Ages
Family Friendly:
Yes
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, 06/26/2025
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 06/11/2025
More Information  

Friday, June 27, 2025

Early Morning Hike: Gypsum Canyon Wilderness

Hiking & Fitness
Early Morning Hike: Gypsum Canyon Wilderness

Come explore beautiful Gypsum Canyon Wilderness, the northernmost portion of OC Parks’ Irvine Ranch Open Space. This scenic hike involves steep climbs and descents on several single-track trails and is done at an average moving pace of 3 miles per hour. The rewards are many: panoramic views of Fremont and Weir Canyon Nature Preserves and beyond, possible wildlife sightings, interesting rock formations, and beautiful wildflowers in season.

Early Morning Hike: Gypsum Canyon Wilderness
Date:
Fri, 06/27/2025
Time:
6:30 am - 9:30 am
Where:
Gypsum Canyon Wilderness
Difficulty Rating:
4
Distance:
6.5 miles
Minimum Age:
18
Spaces Left:
Registration for this event opens at 8:00am on 06/12/2025
More Information  

Fourth Friday Habitat Restoration in Buck Gully

Stewardship
Fourth Friday Habitat Restoration in Buck Gully

Birds and other wildlife need healthy habitat to thrive. Simple things like planting native plants or removing non-native plants can greatly improve habitat for wildlife. You can be part of that positive impact while enjoying the beauty of Buck Gully near Newport Beach. Come help us with a variety of activities ranging from seed collection to weeding invasive plants.

This activity takes place on sloped terrain and sturdy hiking boots are highly recommended. All training, tools, and gloves will be provided to ensure your safety and comfort. Rattlesnakes are occasionally seen here and generally avoid people, but protective gear will be provided.

Fourth Friday Habitat Restoration in Buck Gully
Date:
Fri, 06/27/2025
Time:
8:00 am - 11:00 am
Where:
Buck Gully Reserve
Difficulty Rating:
3
Distance:
0 miles
Minimum Age:
18
Spaces Left:
Registration for this event opens at 8:00am on 06/12/2025
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, 06/27/2025
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 06/12/2025
More Information  

Summer Morning Fitness Hike with Yoga at Quail Hill

Hiking & Fitness
Summer Morning Fitness Hike with Yoga at Quail Hill

Celebrate Spring with a five mile out and back moderate fitness hike (averaging about 3 mph) before experiencing yoga outdoors at the Community Center. The hike is highlighted with a short but steep climb which provides great views of the Quail Hill neighborhood and beyond. The yoga is suitable for those with little or no experience, focused on hips, legs and core. Our focus on breath calms the nervous system and has positive effects on mental, emotional and physical health. If you have never done a yoga hike before you will be surprised how connected you feel to nature. Please bring water, your own yoga mat plus a large beach towel, and wear shoes appropriate for hiking on trails.

Summer Morning Fitness Hike with Yoga at Quail Hill
Date:
Fri, 06/27/2025
Time:
8:00 am - 11:00 am
Where:
Quail Hill
Difficulty Rating:
3
Distance:
5 miles
Minimum Age:
18
Spaces Left:
Registration for this event opens at 8:00am on 06/12/2025
More Information  

Jr. Ranger Adventure: Mile Square

Interpretive
Interpretive

The OC Parks Jr. Ranger Program encourages park guests to find their own paths within OC Parks by developing a sense of belonging, becoming a part of nature and feeling empowered to be stewards of Orange County’s natural and cultural resources.

Join OC Parks staff and volunteers to earn a unique Jr. Ranger badge for Mile Square.

We will become mapping experts and create our own Memory Map while we explore the Mile Square Nature Area. We will meet in Parking Lot H at the entrance to the Nature Area.

This program is designed for ages 7-12, but all are welcome.

Minors must be accompanied by a parent or guardian during the program. Sunscreen, sturdy footwear, and water are recommended.

The program is free and parking is $5 on weekends.

Inclement weather will cancel the program.

Advance registration is required.

For questions, please call (657) 735-3596 or email averil.lough@ocparks.com

Jr. Ranger Adventure: Mile Square
Date:
Fri, 06/27/2025
Time:
10:00 am - 11:00 am
Where:
Mile Square Regional Park
Difficulty Rating:
1
Minimum Age:
7
Spaces Left:
25 of 25
More Information  

Wild Tales

Interpretive
Wild Tales

Spending time outside is one of the best ways to nurture curiosity and instill a love of the natural world. Bring your young ones and join OC Parks staff to learn all about the Newport Back Bay.

Our Wild Tales program is offered every Friday from 10:00-11:00am and includes a story time, an age-appropriate hike, and a themed craft. Each week will focus on a different topic that encourages young ones to learn about the outdoors.

The program begins at the Peter and Mary Muth Interpretive Center. Program content is tailored for the preschool level (ages 2-5), but all are welcome to attend. Minors under age 18 must be accompanied by an adult guardian. Please wear comfortable attire and closed-toe shoes.

Advance registration is REQUIRED. In an effort to keep our program size manageable and engaging for participants, this program no longer accepts walk ups. Program and parking are free.

Adverse weather conditions may move the program indoors or cancel it.

Wild Tales
Date:
Fri, 06/27/2025
Time:
10:00 am - 11:00 am
Where:
Upper Newport Bay
Difficulty Rating:
1
Minimum Age:
All Ages
Family Friendly:
Yes
Spaces Left:
Registration for this event opens at 6:00am on 06/13/2025
More Information  
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