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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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543 Events Found

Thursday, September 18, 2025

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:
Registration Closed

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:
Registration Closed

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:
21 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:
Registration Closed

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:
3 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

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...

Date:
Sat, 09/20/2025
Time:
8:00 am - 2:00 pm
Where:
Red Rock Wilderness
Difficulty Rating:
Variable
Minimum Age:
All Ages
Family Friendly:
Yes
Registration:
128 of 250 Spaces Left

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...

Date:
Sat, 09/20/2025
Time:
8:00 am - 2:00 pm
Where:
Red Rock Wilderness
Difficulty Rating:
Variable
Minimum Age:
All Ages
Registration:
0 of 3 Spaces Left

Join OC Parks, Newport Bay Conservancy and volunteers around the world for Coastal Cleanup Day at Upper Newport Bay on Saturday, Sept. 20th. Lend a helping hand and make a positive impact on our coastlines as we work together to...

Date:
Sat, 09/20/2025
Time:
9:00 am - 12:00 pm
Where:
Upper Newport Bay
Difficulty Rating:
1
Minimum Age:
8

Come chat with a Civil War living historian at the cannon in Irvine Regional Park! The volunteer will share the history of the 1853 Howitzer cannon and how it came to be at its current location. Hear recounts of other...

Date:
Sat, 09/20/2025
Time:
11:00 am - 3:00 pm
Where:
Irvine Regional Park
Difficulty Rating:
1
Minimum Age:
12

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...

Date:
Sat, 09/20/2025
Time:
12:00 pm - 1:30 pm
Where:
Native Seed Farm COI
Difficulty Rating:
1
Distance:
1 miles
Minimum Age:
8

The OC Parks Jr. Ranger Program encourages park guests to explore the outdoor world 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...

Date:
Sat, 09/20/2025
Time:
1:00 pm - 2:30 pm
Where:
Arden: Helena Modjeska Historic House and Gardens
Difficulty Rating:
1
Minimum Age:
7
Registration:
0 of 12 Spaces Left
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