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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. No walk-up registrations will be permitted. Minors must be accompanied by a parent or guardian for all events. For policies of other organizations, please see the sign-up information provided.
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Our Activities and Programs

The activities listed are offered by a variety of organizations and their dedicated volunteers. All programs are FREE unless noted otherwise. Programs led by IRC-Certified Volunteers require pre-registration. No walk-up registrations will be permitted. Minors must be accompanied by a parent or guardian for all events. For policies of other organizations, please see the sign-up information provided.
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546 Events Found

Thursday, September 18, 2025

Come out and join us on a breathtaking hike from the Irvine Open Space Preserve into OC Parks’ Limestone Canyon Nature Preserve. This week’s docent-led hike begins in the Agua Chinon wash, continues to The Sinks, and may include a...

Date:
Thu, 09/18/2025
Time:
7:00 am - 10:30 am
Where:
Irvine Open Space Preserve
Difficulty Rating:
4
Distance:
8 miles
Minimum Age:
16
Registration:
Registration Closed

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...

Date:
Thu, 09/18/2025
Time:
8:30 am - 11:30 am
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
2
Distance:
2 miles
Minimum Age:
18
Registration:
Registration Closed

Journey into the tranquil beauty of Modjeska Canyon Nature Preserve, a hidden gem nestled in the foothills of the Santa Ana Mountains. This program includes a 0.75-mile guided hike that takes you along a trail enveloped by a lush canopy...

Date:
Thu, 09/18/2025
Time:
8:30 am - 10:00 am
Where:
Modjeska Canyon Nature Preserve
Difficulty Rating:
Variable
Minimum Age:
12

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, 6.2-mile hike over...

Date:
Thu, 09/18/2025
Time:
8:30 am - 11:00 am
Where:
Laguna Coast Wilderness Park
Difficulty Rating:
4
Minimum Age:
16

Be prepared to experience the beauty and wonder of Weir Canyon, part of OC Parks’ Irvine Ranch Open Space, steeped in history and lore, on this morning equestrian ride. The ride will travel through Weir Canyon, where the trail weaves...

Date:
Thu, 09/18/2025
Time:
9:00 am - 1:00 pm
Where:
Weir Canyon Nature Preserve
Difficulty Rating:
3
Distance:
5 miles
Minimum Age:
18
Registration:
Registration Closed

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...

Date:
Thu, 09/18/2025
Time:
6:00 pm - 7:30 pm
Where:
Irvine Open Space Preserve
Difficulty Rating:
3
Distance:
3.5 miles
Minimum Age:
12
Registration:
Registration Closed

Friday, September 19, 2025

Join us on this beautiful early morning hike passing through Irvine and Santiago Oaks Regional Parks and then crossing into Weir Canyon Nature Preserve, part of Irvine Ranch Open Space. Leaving Santiago Oaks, we drop into lower Weir Canyon, winding...

Date:
Fri, 09/19/2025
Time:
7:00 am - 10:00 am
Where:
Weir Canyon Nature Preserve
Difficulty Rating:
4
Distance:
7 miles
Minimum Age:
18
Registration:
0 of 10 Spaces Left

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 Irvine! Every day at the farm is different; depending on the needs of...

Date:
Fri, 09/19/2025
Time:
8:00 am - 11:00 am
Where:
Native Seed Farm OCP
Difficulty Rating:
2
Minimum Age:
8
Registration:
10 of 15 Spaces Left

After a brief walk from the Community Center, enjoy a 4-mile fitness hike on the Buck Gully Trail to warm up your legs before relaxing into yoga. The yoga is suitable for those with little or no experience and features...

Date:
Fri, 09/19/2025
Time:
8:00 am - 11:00 am
Where:
Buck Gully Reserve
Difficulty Rating:
3
Distance:
5 miles
Minimum Age:
18
Registration:
0 of 20 Spaces Left

Watering native plant nursery at Fremont Staging Area by IRC Volunteers.

**No need to water during rainy days.

Date:
Fri, 09/19/2025
Time:
9:00 am - 10:00 am
Where:
Fremont Canyon Nature Preserve
Difficulty Rating:
1
Minimum Age:
12

Slow down and discover what the natural world can teach us. On a guided walk, we’ll explore how trees, rocks, and animals offer quiet lessons about resilience, patience, and change. Then, we’ll create a personal nature token—a small, handmade reminder...

Date:
Fri, 09/19/2025
Time:
9:30 am - 11:30 am
Where:
Laguna Coast Wilderness Park
Difficulty Rating:
2
Minimum Age:
12

Join OC Parks staff and volunteers to observe the sights, sounds and smells of nature during an intimate nature walk led by a certified nature and forest therapy guide. Through a series of invitations, you will be encouraged to explore...

Date:
Fri, 09/19/2025
Time:
10:00 am - 12:00 pm
Where:
Upper Newport Bay
Difficulty Rating:
1
Minimum Age:
14
Registration:
12 of 15 Spaces Left

Join OC Parks staff and volunteers to observe the sights, sounds and smells of nature during an intimate nature walk led by a certified nature and forest therapy guide. Through a series of invitations, you will be encouraged to explore...

Date:
Fri, 09/19/2025
Time:
10:00 am - 12:00 pm
Where:
Upper Newport Bay
Difficulty Rating:
1
Minimum Age:
14
Registration:
15 of 15 Spaces Left

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...

Date:
Fri, 09/19/2025
Time:
10:00 am - 11:00 am
Where:
Upper Newport Bay
Difficulty Rating:
1
Minimum Age:
All Ages
Family Friendly:
Yes
Registration:
18 of 55 Spaces Left

The best camera is the one you have with you, and for most, that camera is also their cellphone! If you’ve ever wanted to learn more about the camera you carry with you every day, join us for a beginner’s...

Date:
Fri, 09/19/2025
Time:
3:00 pm - 4:30 pm
Where:
Irvine Regional Park
Difficulty Rating:
1
Minimum Age:
10
Registration:
7 of 15 Spaces Left

Saturday, September 20, 2025

Do you want to explore the Sinks, a geological rock formation that has got its reputation as “Orange County’s miniature Grand Canyon”? Come out and join us on a hike from the Portola staging area to the West Sinks in...

Date:
Sat, 09/20/2025
Time:
7:00 am - 9:30 am
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
4
Distance:
6 miles
Minimum Age:
18
Registration:
0 of 25 Spaces Left

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 Irvine! Every day at the farm is different; depending on the needs of...

Date:
Sat, 09/20/2025
Time:
8:00 am - 11:00 am
Where:
Native Seed Farm OCP
Difficulty Rating:
2
Minimum Age:
8
Registration:
0 of 15 Spaces Left

Join OC Parks and Laguna Canyon Foundation volunteers in beautiful Laguna Coast Wilderness Park at our 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...

Date:
Sat, 09/20/2025
Time:
8:00 am - 11:00 am
Where:
Laguna Coast Wilderness Park
Difficulty Rating:
2
Minimum Age:
16

If you are new to mountain biking and interested in getting started the right way, or if you are an intermediate rider wanting to broaden your existing bike skills, this is the clinic for you! Class begins with an overview...

Date:
Sat, 09/20/2025
Time:
8:00 am - 12:00 pm
Where:
Irvine Open Space Preserve
Difficulty Rating:
2
Distance:
2.5 miles
Minimum Age:
12
Registration:
4 of 18 Spaces Left

Enjoy self-guided access in the southern portion of Irvine’s Open Space Preserve. The entire southern Open Space Preserve trail network will be open for self-guided hiking and biking from 8 am to 2 pm. This includes the single-tracks in Shady...

Date:
Sat, 09/20/2025
Time:
8:00 am - 2:00 pm
Where:
Bommer Canyon Preserve
Difficulty Rating:
Variable
Distance:
Variable
Minimum Age:
All Ages
Family Friendly:
Yes
Registration:
168 of 200 Spaces Left
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