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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

Wednesday, October 15, 2025

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, 10/15/2025
Time:
6:00 pm - 7:30 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
3
Distance:
3.5 miles
Minimum Age:
16
Registration:
Registration Opens on 09/30/2025 at 8:00am

Thursday, October 16, 2025

This week in OC Parks’ Irvine Ranch Open Space, we’ll hike in Limestone Canyon to Dripping Springs. The hike is a 7-mile loop hike which includes some hills and descents. In addition to the springs, we will enjoy panoramic views...

Date:
Thu, 10/16/2025
Time:
7:30 am - 11:00 am
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
4
Distance:
7 miles
Minimum Age:
16
Registration:
Registration Opens on 09/30/2025 at 8:00am

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:
Thu, 10/16/2025
Time:
8:30 am - 10:30 am
Where:
Bommer Canyon Preserve
Difficulty Rating:
3
Distance:
3 miles
Minimum Age:
12
Registration:
Registration Opens on 10/01/2025 at 8:00am

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, 7.2-mile hike over steep...

Date:
Thu, 10/16/2025
Time:
8:30 am - 11:00 am
Where:
Laguna Coast Wilderness Park
Difficulty Rating:
4
Minimum Age:
16

Come enjoy a scenic evening cardio hike in the remote Fremont Canyon Nature Preserve, part of OCParks’ Irvine Ranch Open Space. Our hike climbs steeply from the mouth of Fremont Canyon along the Lakeview Trail overlooking Irvine Lake. Upon reaching...

Date:
Thu, 10/16/2025
Time:
5:00 pm - 7:00 pm
Where:
Fremont Canyon Nature Preserve
Difficulty Rating:
4
Distance:
4.5 miles
Minimum Age:
18
Registration:
Registration Opens on 10/01/2025 at 8:00am

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, 10/16/2025
Time:
6:00 pm - 7:30 pm
Where:
Irvine Open Space Preserve
Difficulty Rating:
3
Distance:
3.5 miles
Minimum Age:
12
Registration:
Registration Opens on 10/01/2025 at 8:00am

Friday, October 17, 2025

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, 10/17/2025
Time:
8:00 am - 10:00 am
Where:
Bommer Canyon Preserve
Difficulty Rating:
2
Distance:
2 miles
Minimum Age:
18
Registration:
Registration Opens on 10/02/2025 at 8:00am

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

**No need to water during rainy days.

Date:
Fri, 10/17/2025
Time:
9:00 am - 10:00 am
Where:
Fremont Canyon Nature Preserve
Difficulty Rating:
1
Minimum Age:
12

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, 10/17/2025
Time:
10:00 am - 11:00 am
Where:
Upper Newport Bay
Difficulty Rating:
1
Minimum Age:
All Ages
Family Friendly:
Yes
Registration:
Registration Opens on 10/03/2025 at 6:00am

*This program takes place at the Upper Newport Bay Nature Preserve, 2301 University Dr, Newport Beach, CA 92660* The OC Parks Jr. Ranger Program encourages park guests to find their own paths within OC Parks by developing a sense of...

Date:
Fri, 10/17/2025
Time:
3:30 pm - 5:00 pm
Where:
Upper Newport Bay
Difficulty Rating:
1
Minimum Age:
7
Registration:
Registration Opens on 09/17/2025 at 6:00am

Saturday, October 18, 2025

Looking for a way to give back to Nature this Autumn? 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, 10/18/2025
Time:
8:00 am - 11:00 am
Where:
Native Seed Farm OCP
Difficulty Rating:
2
Minimum Age:
8
Registration:
Registration Opens on 10/03/2025 at 8:00am

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, 10/18/2025
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, 10/18/2025
Time:
8:00 am - 12:00 pm
Where:
Irvine Open Space Preserve
Difficulty Rating:
2
Distance:
2.5 miles
Minimum Age:
12
Registration:
Registration Opens on 10/03/2025 at 8:00am

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, 10/18/2025
Time:
8:00 am - 2:00 pm
Where:
Bommer Canyon Preserve
Difficulty Rating:
Variable
Distance:
Variable
Minimum Age:
All Ages
Family Friendly:
Yes
Registration:
Registration Opens on 10/03/2025 at 8:00am

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, 10/18/2025
Time:
8:00 am - 2:00 pm
Where:
Red Rock Wilderness
Difficulty Rating:
Variable
Minimum Age:
All Ages
Family Friendly:
Yes
Registration:
Registration Opens on 10/03/2025 at 8:00am

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, 10/18/2025
Time:
8:00 am - 2:00 pm
Where:
Red Rock Wilderness
Difficulty Rating:
Variable
Minimum Age:
All Ages
Registration:
Registration Opens on 10/03/2025 at 8:00am

Join Upper Newport Bay Nature Preserve staff and volunteers in enhancing the Bay’s 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:
Sat, 10/18/2025
Time:
9:00 am - 11:00 am
Where:
Upper Newport Bay
Difficulty Rating:
1
Minimum Age:
8
Registration:
Registration Opens on 09/18/2025 at 6:00am

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:
Sat, 10/18/2025
Time:
10:00 am - 1:00 pm
Where:
Black Star Canyon Wilderness Park
Difficulty Rating:
2
Minimum Age:
5
Registration:
Registration Opens on 10/03/2025 at 8:00am

Enjoy nature with friends and family in Round Canyon. We hike along a fairly flat trail as we watch for red-tailed hawks and mule deer. This activity originates in the City of Irvine and travels into OC Parks’ Irvine Ranch...

Date:
Sat, 10/18/2025
Time:
3:30 pm - 6:00 pm
Where:
Irvine Open Space Preserve
Difficulty Rating:
2
Distance:
2.5 miles
Minimum Age:
5
Family Friendly:
Yes
Registration:
Registration Opens on 10/03/2025 at 8:00am

Join Laguna Canyon Foundation and OC Parks at one of our habitat restoration stewardship events in Laguna Coast Wilderness Park as we learn and work together to create a healthier habitat for the native plants and wildlife that call the...

Date:
Sat, 10/18/2025
Time:
4:00 pm - 6:00 pm
Where:
Laguna Coast Wilderness Park
Difficulty Rating:
2
Minimum Age:
16
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