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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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594 Events Found

Sunday, September 14, 2025

The title says it all. This is your chance to venture deep in the Irvine Open Space Preserve. Join us for a challenging and beautiful adventure. Hike distance is up to 14 miles and is designed for advanced hikers. Participants...

Date:
Sun, 09/14/2025
Time:
6:30 am - 12:30 pm
Where:
Quail Hill
Difficulty Rating:
5
Distance:
14 miles
Minimum Age:
18
Registration:
5 of 20 Spaces Left

Experience the serenity of Bommer Canyon during this moderate-paced hike in the Irvine Open Space Preserve. We’ll experience mature coastal sage scrub and fantastic views overlooking the city of Irvine and the hillsides to the north. This hike is just...

Date:
Sun, 09/14/2025
Time:
7:00 am - 9:30 am
Where:
Bommer Canyon Preserve
Difficulty Rating:
3
Distance:
3 miles
Minimum Age:
12
Registration:
13 of 20 Spaces Left

Come explore OCParks’ Irvine Ranch Open Space. This scenic hike involves steep climbs and descents on both double and singletrack trails and around 1100’ of accumulated climbing elevation. Though challenging, the hike rewards you with sweeping views of the Irvine...

Date:
Sun, 09/14/2025
Time:
7:00 am - 10:00 am
Where:
Black Star Canyon Wilderness Park
Difficulty Rating:
4
Distance:
7 miles
Minimum Age:
18
Registration:
5 of 20 Spaces Left

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...

Date:
Sun, 09/14/2025
Time:
7:30 am - 11:00 am
Where:
Native Seed Farm OCP
Difficulty Rating:
2
Minimum Age:
18
Registration:
9 of 10 Spaces Left

Be inspired by both the natural beauty and recent history of Newport Beach’s Buck Gully Reserve, as we explore this protected area and the collaboration that made it possible. Buck Gully is a natural coastal canyon that opened to the...

Date:
Sun, 09/14/2025
Time:
8:00 am - 10:30 am
Where:
Buck Gully Reserve
Difficulty Rating:
3
Distance:
4 miles
Minimum Age:
16
Registration:
Registration Closed

Join Mile Square Regional Park staff and volunteers in enhancing the Nature Area habitat for local wildlife. Activities may include non-native plant removal, planting natives, watering, trash cleanup, and Butterfly Garden maintenance. No experience is necessary; please bring a hat,...

Date:
Sun, 09/14/2025
Time:
8:00 am - 10:00 am
Where:
Mile Square Regional Park
Difficulty Rating:
1
Minimum Age:
8
Registration:
25 of 25 Spaces Left

Escape into the stunning landscapes of the Irvine Ranch Natural Landmarks with a one of kind family hiking experience. Our guided walk features a friendly horse, offering a special opportunity to interact with these magnificent animals while exploring the natural...

Date:
Sun, 09/14/2025
Time:
9:00 am - 12:00 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
2
Distance:
3 miles
Minimum Age:
5
Registration:
2 of 10 Spaces Left

Do you want to unplug and relax in nature? Join Laguna Canyon Foundation Volunteers on a guided walk to experience the outdoors in a new way and allow your natural sense of wonder to take you to a mindful space...

Date:
Sun, 09/14/2025
Time:
9:00 am - 11:00 am
Where:
Laguna Coast Wilderness Park
Difficulty Rating:
1
Minimum Age:
10

Monday, September 15, 2025

Curious to learn about the plants among us, who’s sus and who’s not? Join us for a hike at Orchard Hills, part of the Irvine Ranch Open Space, where we’ll look at local flora, talk about native and non-native species,...

Date:
Mon, 09/15/2025
Time:
8:00 am - 10:30 am
Where:
Orchard Hills
Difficulty Rating:
2
Distance:
1 miles
Minimum Age:
6
Registration:
10 of 15 Spaces Left

Join us every Monday night for a fitness-focused hike on the paved Hicks Haul Road in the Irvine Open Space Preserve. During the spring, summer and fall, hikers will enjoy wonderful sunset views and a panoramic overview of Orange County....

Date:
Mon, 09/15/2025
Time:
6:00 pm - 7:30 pm
Where:
Irvine Open Space Preserve
Difficulty Rating:
3
Distance:
3.5 miles
Minimum Age:
16
Registration:
20 of 25 Spaces Left

Tuesday, September 16, 2025

Come along with us on this scenic distance hike through Limestone Canyon and Red Rock Wilderness, part of OC Parks’ Irvine Ranch Open Space.  This hike is done at a moderate moving pace of around 3 mph and may involve...

Date:
Tue, 09/16/2025
Time:
6:30 am - 11:30 am
Where:
Red Rock Wilderness
Difficulty Rating:
5
Distance:
10 miles
Minimum Age:
18
Registration:
2 of 15 Spaces Left

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, 09/16/2025
Time:
7:30 am - 10:30 am
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
3
Distance:
8 miles
Minimum Age:
16
Registration:
22 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 this evening activity, attendees will learn about one to two (1-2) target species...

Date:
Tue, 09/16/2025
Time:
5:00 pm - 6:30 pm
Where:
Native Seed Farm OCP
Difficulty Rating:
3
Minimum Age:
14
Registration:
15 of 15 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, 09/16/2025
Time:
6:00 pm - 7:30 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
3
Distance:
3.5 miles
Minimum Age:
12
Registration:
21 of 25 Spaces Left

Wednesday, September 17, 2025

Summer is here and so is nesting season!  Join an experienced OC Parks volunteer as you stroll through Irvine Regional Park searching high in the trees for our flittering friends and low in the shrubs for bouncing birds. Bring your...

Date:
Wed, 09/17/2025
Time:
7:30 am - 9:30 am
Where:
Irvine Regional Park
Difficulty Rating:
1
Minimum Age:
12
Registration:
16 of 25 Spaces Left

Come and explore Newport Beach’s Buck Gully Reserve trail system. Beginning from the Oasis Senior Center, we’ll hike up through the almost 3-mile length of the canyon, then along San Joaquin Hills Road for a bit, stopping at Canyon Watch...

Date:
Wed, 09/17/2025
Time:
8:00 am - 11:30 am
Where:
Buck Gully Reserve
Difficulty Rating:
3
Distance:
6 miles
Minimum Age:
16
Registration:
17 of 20 Spaces Left

New to Laguna Coast Wilderness Park? Whether you’re a volunteer, a new hiker, or simply curious about this wild and beautiful landscape, join us for a welcoming orientation hike that will help you get your bearings—both on the trails and...

Date:
Wed, 09/17/2025
Time:
8:30 am - 10:30 am
Where:
Laguna Coast Wilderness Park
Difficulty Rating:
2
Minimum Age:
12

Bring your little ones (ages 2 to 5) to learn more about bats! This fun and engaging program includes story time, an age-appropriate hike and themed craft. The program begins at the Peter and Mary Muth Interpretive Center. Program content...

Date:
Wed, 09/17/2025
Time:
10:00 am - 11:00 am
Where:
Upper Newport Bay
Difficulty Rating:
1
Minimum Age:
All Ages
Family Friendly:
Yes
Registration:
0 of 30 Spaces Left

Join us for a fast-paced, introduction to cardio hiking in the Saddleback Wilderness, part of OC Parks’ Irvine Ranch Open Space. Along the way, we’ll be rewarded with panoramic views of Orange County and possible wildlife sightings. This is a...

Date:
Wed, 09/17/2025
Time:
5:30 pm - 7:00 pm
Where:
Saddleback Wilderness
Difficulty Rating:
3
Distance:
3.5 miles
Minimum Age:
18
Family Friendly:
Yes
Registration:
20 of 25 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, 09/17/2025
Time:
6:00 pm - 7:30 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
3
Distance:
3.5 miles
Minimum Age:
16
Registration:
20 of 25 Spaces Left
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