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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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585 Events Found

Tuesday, September 9, 2025

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...

Date:
Tue, 09/09/2025
Time:
7:30 am - 10:30 am
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
3
Distance:
8 miles
Minimum Age:
16

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...

Date:
Tue, 09/09/2025
Time:
8:30 am - 11:30 am
Where:
Weir Canyon Nature Preserve
Difficulty Rating:
2
Distance:
5 miles
Minimum Age:
14
Registration:
0 of 7 Spaces Left

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...

Date:
Tue, 09/09/2025
Time:
6:00 pm - 7:30 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
3
Distance:
3.5 miles
Minimum Age:
12

Wednesday, September 10, 2025

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...

Date:
Wed, 09/10/2025
Time:
8:00 am - 11:00 am
Where:
Fremont Canyon Nature Preserve
Difficulty Rating:
3
Distance:
0 miles
Minimum Age:
18
Registration:
2 of 4 Spaces Left

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...

Date:
Wed, 09/10/2025
Time:
6:00 pm - 7:30 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
3
Distance:
3.5 miles
Minimum Age:
16
Registration:
5 of 25 Spaces Left

Thursday, September 11, 2025

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...

Date:
Thu, 09/11/2025
Time:
7:00 am - 10:30 am
Where:
Red Rock Wilderness
Difficulty Rating:
4
Distance:
7.5 miles
Minimum Age:
16
Registration:
0 of 20 Spaces Left

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, 6.6-mile hike over...

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

Join OC Park naturalists for story time and short hike with your little ones (ages 3-6) as we explore leaves! Age: 3-6 year-olds. Participants under 18 must be accompanied by a parent or guardian. Location: James Dilley Preserve, Laguna Coast...

Date:
Thu, 09/11/2025
Time:
9:30 am - 10:30 am
Where:
Laguna Coast Wilderness Park
Difficulty Rating:
1
Minimum Age:
3

Take a leisurely equestrian ride through beautiful Limestone Canyon, part of OC Parks’ Irvine Ranch Open Space, and home of oak woodlands, grasslands, and coastal sage scrub. On a clear day this ride has amazing views of Orange County and...

Date:
Thu, 09/11/2025
Time:
9:30 am - 1:30 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
3
Distance:
8 miles
Minimum Age:
18
Registration:
0 of 8 Spaces Left

Join us as we explore the native seed farm while learning about plants, pollination, and pollinators. We’ll focus on the native plants grown at the farm as we talk about, and identify, the pollinators we find on them. Closed-toe shoes...

Date:
Thu, 09/11/2025
Time:
9:30 am - 11:00 am
Where:
Native Seed Farm OCP
Difficulty Rating:
2
Distance:
1 miles
Minimum Age:
10
Registration:
11 of 15 Spaces Left

IRC Staff to introduce to Northwood High’s AP Enviro Class Seek application, intro to restoration project, and introduction to NATURE guide.

Date:
Thu, 09/11/2025
Time:
11:00 am - 12:00 pm
Where:
Irvine Ranch Conservancy
Difficulty Rating:
1
Minimum Age:
12

Explore the beauty of OC Parks’ Irvine Ranch Open Space on a 3–4.5 mile guided hike through Gypsum Canyon Wilderness. We’ll begin along the Oven Canyon Trail, passing through mixed habitats, and then ascend a single-track trail with switchbacks leading...

Date:
Thu, 09/11/2025
Time:
4:00 pm - 7:00 pm
Where:
Gypsum Canyon Wilderness
Difficulty Rating:
3
Distance:
Variable
Minimum Age:
16
Registration:
0 of 10 Spaces Left

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, 09/11/2025
Time:
6:00 pm - 7:30 pm
Where:
Irvine Open Space Preserve
Difficulty Rating:
3
Distance:
3.5 miles
Minimum Age:
12
Registration:
0 of 25 Spaces Left

Friday, September 12, 2025

Join us at Santiago Oaks Regional Park to lend a hand by helping OC Parks staff prepare for a new butterfly garden! We will be removing invasive species, cleaning up excess debris, trimming large shrubs and preparing the area for...

Date:
Fri, 09/12/2025
Time:
7:30 am - 9:30 am
Where:
Santiago Oaks Regional Park
Difficulty Rating:
2
Minimum Age:
10
Registration:
13 of 15 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, 09/12/2025
Time:
8:00 am - 11:00 am
Where:
Native Seed Farm OCP
Difficulty Rating:
2
Minimum Age:
8

Join us at Bommer Canyon for an easy two-mile hike through the nature loop and meadow before practicing yoga at the Cattle Camp. This historic old west setting connects us with the history of The Irvine Ranch and the barn’s...

Date:
Fri, 09/12/2025
Time:
8:00 am - 10:00 am
Where:
Bommer Canyon Preserve
Difficulty Rating:
2
Distance:
2 miles
Minimum Age:
18
Registration:
0 of 20 Spaces Left

Take a leisurely equestrian ride through beautiful Baker Canyon in the Black Star Wilderness Area, home of oak woodlands, grasslands, and coastal sage scrub.  View evidence of the old ranch days when cattle once roamed the area and see some...

Date:
Fri, 09/12/2025
Time:
10:00 am - 2:00 pm
Where:
Black Star Canyon Wilderness Park
Difficulty Rating:
3
Distance:
3 miles
Minimum Age:
11
Registration:
2 of 6 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, 09/12/2025
Time:
10:00 am - 11:00 am
Where:
Upper Newport Bay
Difficulty Rating:
1
Minimum Age:
All Ages
Family Friendly:
Yes
Registration:
22 of 55 Spaces Left

Saturday, September 13, 2025

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...

Date:
Sat, 09/13/2025
Time:
7:00 am - 12:00 pm
Where:
Fremont Canyon Nature Preserve
Difficulty Rating:
5
Distance:
25 miles
Minimum Age:
18
Registration:
10 of 15 Spaces Left

Lend a helping hand to improve native habitat at Peters Canyon Regional Park. Dedicate the morning to caring for restoration sites and help our native plants and shrubs thrive. Be prepared for weeding, watering or planting as needed. Strong gardening...

Date:
Sat, 09/13/2025
Time:
7:30 am - 9:30 am
Where:
Peters Canyon Regional Park
Difficulty Rating:
2
Minimum Age:
10
Registration:
0 of 15 Spaces Left
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