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 561 Events

Tuesday, June 3, 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, 06/03/2025
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 05/19/2025
More Information  

Wednesday, June 4, 2025

Tot Trails

Interpretive
Tot Trails

Explore the natural wonders of Irvine Regional Park with OC Parks! Join us on the first Wednesday of each month from 10-11 a.m. for a variety of kid friendly hikes and talks.

This program will begin outside the Nature Center. Program content is tailored for ages 2 to 6, but all are welcome to attend. Water, comfortable attire and closed-toe shoes are recommended.

Inclement weather may cancel the program.

Advance registration is required.

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

Tot Trails
Date:
Wed, 06/04/2025
Time:
10:00 am - 11:00 am
Where:
Irvine Regional Park
Difficulty Rating:
1
Minimum Age:
All Ages
Spaces Left:
Registration for this event opens at 12:00am on 05/21/2025
More Information  

Tree Exploration

Interpretive
Tree Exploration

Step into the enchanting world of trees with OC Parks Naturalists! Join us as we use our senses to ‘meet’ a tree up close, discover the secrets of how they grow, and stand in awe of their incredible beauty and strength.

Age: 7 or older. Participants under 18 must be accompanied by a parent or guardian.

Location: Mason Regional Park at 18712 University Drive, Irvine (Exit I-405 at Culver Drive south, turn right (west/south) on University Drive, left at San Joaquin/park entrance – meet at the western end of Parking Lot A).

Parking: $5/car at Mason Regional Park parking lot.

Difficulty Rating: 2/5

Materials: Participants must bring plenty of water, closed-toed shoes, and sun protection. Binoculars 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 shelbi.richardson@ocparks.com with any questions.

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

Tree Exploration
Date:
Wed, 06/04/2025
Time:
3:00 pm - 4:30 pm
Where:
Mason Regional Park
Difficulty Rating:
2
Minimum Age:
7
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, 06/04/2025
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 05/20/2025
More Information  

Sunset Hike in Orchard Hills

Hiking & Fitness
Sunset Hike in Orchard Hills

Come out and enjoy the sunset 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.

Sunset Hike in Orchard Hills
Date:
Wed, 06/04/2025
Time:
6:00 pm - 8:00 pm
Where:
Orchard Hills
Difficulty Rating:
3
Distance:
3 miles
Minimum Age:
12
Spaces Left:
Registration for this event opens at 8:00am on 05/20/2025
More Information  

Thursday, June 5, 2025

Thursday Morning Trek in the Red Rock Wilderness

Hiking & Fitness
Thursday Morning Trek in the Red Rock Wilderness

Take in stunning views of the surrounding hillsides and hike atop the iconic red rocks at the newly opened Red Rock Wilderness, part of OC Parks’ Irvine Ranch Open Space.

This morning hike will guide visitors through beautiful hills and valleys to the top of the infamous red rocks and past a model airplane field. Spectacular views of Irvine Lake and the Irvine Ranch Open Space will be enjoyed along the way.

Thursday Morning Trek in the Red Rock Wilderness
Date:
Thu, 06/05/2025
Time:
7:30 am - 11:00 am
Where:
Red Rock Wilderness
Difficulty Rating:
4
Distance:
7.5 miles
Minimum Age:
16
Spaces Left:
Registration for this event opens at 8:00am on 05/21/2025
More Information  

Fitness Hike – Laguna Ridge at Willow

Hiking & Fitness
Fitness Hike - Laguna Ridge at 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, fast paced 6-mile hike over steep and uneven terrain with a 1,150-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 - Laguna Ridge at Willow
Date:
Thu, 06/05/2025
Time:
8:30 am - 11:00 am
Where:
Laguna Coast Wilderness Park
Difficulty Rating:
4
Minimum Age:
16
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, 06/05/2025
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 05/21/2025
More Information  

Friday, June 6, 2025

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, 06/06/2025
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 05/22/2025
More Information  

Spring Morning Fitness Hike with Yoga at Quail Hill

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

Join us for 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.

Spring Morning Fitness Hike with Yoga at Quail Hill
Date:
Fri, 06/06/2025
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 05/22/2025
More Information  

Plants Among Us: Learning About Plants at Gypsum Canyon Wilderness

Interpretive
Plants Among Us: Learning About Plants at Gypsum Canyon Wilderness

Curious to learn about the plants among us?  Join us for a hike at Gypsum Canyon Wilderness where we’ll look at local flora, talk about native and non-native species, and learn how different plants impact our ecosystems. Learning to identify plants, both native and non-native, is a great way to cultivate a relationship to our local wildlands.

This hike will take us up a portion of Gypsum Canyon Road or Oven Canyon Road. This activity is geared toward participants curious about our local plants and ecosystem. Please bring water, closed-toe shoes and all items needed to keep you safe during our walk. Hats and sunscreen are highly recommended.

Plants Among Us: Learning About Plants at Gypsum Canyon Wilderness
Date:
Fri, 06/06/2025
Time:
8:30 am - 11:00 am
Where:
Gypsum Canyon Wilderness
Difficulty Rating:
2
Distance:
3 miles
Minimum Age:
5
Family Friendly:
Yes
Spaces Left:
Registration for this event opens at 8:00am on 05/22/2025
More Information  

Saturday, June 7, 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, 06/07/2025
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 05/23/2025
More Information  

Mountain Bike Ride at Fremont and Weir Canyons to Sierra Peak

Mountain Biking
Mountain Bike Ride at Fremont and Weir Canyons to Sierra Peak

Join us in OC Parks’ Irvine Ranch Open Space for a challenging docent-led mountain bike ride for very experienced off-road riders in excellent cardio shape through Fremont and Weir Canyons to Sierra Peak.

We will climb out of Irvine Regional Park on Coal Mine Road to the Fremont Canyon Weather Station and then continue on past the Tecate Cypress grove, Lizard Rock and Mini-Moab on the way to Sierra Peak . We will return to the staging area via much of the same route but will finish by riding through Upper Blind Canyon to Weir Canyon.

Mountain Bike Ride at Fremont and Weir Canyons to Sierra Peak
Date:
Sat, 06/07/2025
Time:
7:00 am - 12:00 pm
Where:
Fremont Canyon Nature Preserve
Difficulty Rating:
5
Distance:
25 miles
Minimum Age:
18
Spaces Left:
Registration for this event opens at 8:00am on 05/23/2025
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:
Sat, 06/07/2025
Time:
8:00 am - 11:00 am
Where:
Native Seed Farm COI
Difficulty Rating:
2
Minimum Age:
8
Spaces Left:
Registration for this event opens at 8:00am on 05/23/2025
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, 06/07/2025
Time:
8:00 am - 11:00 am
Where:
Laguna Coast Wilderness Park
Difficulty Rating:
2
Minimum Age:
16
More Information  

Wilderness Access Day: Limestone Canyon

Special Events
Wilderness Access Day: Limestone Canyon

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.

Start your weekend off by exploring numerous opportunities found throughout magnificent Limestone Canyon. Designated trails will be open for self-guided trail use in OC Parks’ Irvine Ranch Open Space. Trail routes vary in distance and level of difficulty with choices ranging from easy one-hour walks to strenuous 15-mile cardio treks. Whether traveling by feet or wheels, Wilderness Access Day in Limestone Canyon is a treasure waiting to be discovered by hikers and mountain bikers alike.

Participants will want to plan their day successfully by using Trail Tips to prepare.

Wilderness Access Day: Limestone Canyon
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  

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  

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