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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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590 Events Found

Saturday, September 27, 2025

Access is first come, first served until parking capacity is reached. No registration required. Equestrians, while space is not guaranteed we encourage you to please email info@irconservancy.org to coordinate parking. Come explore 3.3 miles of new trails at Saddleback Wilderness,...

Date:
Sat, 09/27/2025
Time:
8:00 am - 2:00 pm
Where:
Saddleback Wilderness
Difficulty Rating:
Variable
Minimum Age:
All Ages
Family Friendly:
Yes

Join OC Parks at Irvine Ranch Historic Park for Create in the Park! Professional artist, Dawn Buckingham, will guide you through understanding simple perspective when drawing or painting buildings, fences, and roads. A demonstration of drawing one of the historic...

Date:
Sat, 09/27/2025
Time:
9:00 am - 12:00 pm
Where:
Irvine Ranch Historic Park
Difficulty Rating:
1
Minimum Age:
12
Registration:
4 of 20 Spaces Left

“Our public lands are more than just places to visit—they are woven into the fabric of our everyday lives. From the trails we hike to the parks where we gather with family and friends, these spaces are our collective backyard,...

Date:
Sat, 09/27/2025
Time:
9:00 am - 12:00 pm
Where:
Laguna Coast Wilderness Park
Difficulty Rating:
2
Minimum Age:
7

“Our public lands are more than just places to visit—they are woven into the fabric of our everyday lives. From the trails we hike to the parks where we gather with family and friends, these spaces are our collective backyard,...

Date:
Sat, 09/27/2025
Time:
9:00 am - 12:00 pm
Where:
Laguna Coast Wilderness Park
Difficulty Rating:
2
Minimum Age:
16

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, 09/27/2025
Time:
9:00 am - 11:00 am
Where:
Upper Newport Bay
Difficulty Rating:
1
Minimum Age:
8
Registration:
50 of 50 Spaces Left

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, 09/27/2025
Time:
4:00 pm - 6:30 pm
Where:
Irvine Open Space Preserve
Difficulty Rating:
2
Distance:
2.5 miles
Minimum Age:
5
Family Friendly:
Yes
Registration:
Registration Opens on 09/12/2025 at 8:00am

You will enjoy a gorgeous sunset with panoramic views of Orange County while hiking in OC Parks’ Irvine Ranch Open Space on the paved Hicks Haul Road. This hike travels 6 miles, out and back crossing over Loma Ridge. This...

Date:
Sat, 09/27/2025
Time:
6:00 pm - 8:00 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
3
Distance:
6 miles
Minimum Age:
16
Registration:
Registration Opens on 09/12/2025 at 8:00am

Sunday, September 28, 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. Hiking distance is up to 17 miles and is designed for advanced hikers. Participants...

Date:
Sun, 09/28/2025
Time:
6:30 am - 12:30 pm
Where:
Bommer Canyon Preserve
Difficulty Rating:
5
Distance:
17 miles
Minimum Age:
18
Registration:
Registration Opens on 09/13/2025 at 8:00am

Join us in beautiful Weir Canyon for this moderate paced cardio hike. Along the trail, you’ll pass through coastal sage scrub, grasslands, and oak woodlands where deer and bobcats are frequently observed. Multiple steep climbs and descents, and sweeping views,...

Date:
Sun, 09/28/2025
Time:
7:00 am - 10:00 am
Where:
Weir Canyon Nature Preserve
Difficulty Rating:
4
Distance:
6 miles
Minimum Age:
16
Registration:
24 of 25 Spaces Left

If you are new to mountain biking and interested in getting started the right way, or if you just want to hone your existing skills developing terrain-influenced bike handling over several types of man-made features, this is the clinic for...

Date:
Sun, 09/28/2025
Time:
7:00 am - 11:00 am
Where:
Irvine Open Space Preserve
Difficulty Rating:
3
Distance:
2.5 miles
Minimum Age:
16
Registration:
Registration Opens on 09/13/2025 at 8:00am

Join us Sunday morning in OC Parks’ Irvine Ranch Open Space for a fitness-focused hike on the Hicks Haul Road, West Loma and Shoestring trails in Limestone Canyon. Hikers will enjoy wonderful views and a panoramic overview of Orange County....

Date:
Sun, 09/28/2025
Time:
7:00 am - 10:00 am
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
4
Distance:
8.5 miles
Minimum Age:
18
Registration:
Registration Opens on 09/13/2025 at 8:00am

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, 09/28/2025
Time:
8:00 am - 10:00 am
Where:
Mile Square Regional Park
Difficulty Rating:
1
Minimum Age:
8
Registration:
25 of 25 Spaces Left

Join Laguna Canyon Foundation Volunteer naturalists in partnership with OC Parks to enjoy an easy, 2.5-mile Family Hike over moderate but uneven terrain (45-ft. elevation gain). Starting at the James Dilley Preserve, we will hike one of the most diverse...

Date:
Sun, 09/28/2025
Time:
3:00 pm - 5:00 pm
Where:
Laguna Coast Wilderness Park
Difficulty Rating:
2
Minimum Age:
6

Limestone Canyon is a treasure waiting to be discovered. Join us for an afternoon, fast paced, 5.5-mile fitness hike with 750 ft of elevation. The hike will be a great introduction to fitness, cardio-style hikes as well as OC Parks’...

Date:
Sun, 09/28/2025
Time:
5:00 pm - 7:15 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
4
Distance:
5.5 miles
Minimum Age:
18
Registration:
Registration Opens on 09/13/2025 at 8:00am

Monday, September 29, 2025

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, 09/29/2025
Time:
6:00 pm - 7:30 pm
Where:
Irvine Open Space Preserve
Difficulty Rating:
3
Distance:
3.5 miles
Minimum Age:
16
Registration:
Registration Opens on 09/14/2025 at 8:00am

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

Please join us as we enhance habitat at the West Sinks in Limestone Canyon. This area is characterized by beautiful geological formations that resemble a mini–Grand Canyon. Volunteers will travel for approximately 20 minutes in an open-air safari style truck...

Date:
Tue, 09/30/2025
Time:
8:30 am - 12:00 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
3
Distance:
1 miles
Minimum Age:
15
Registration:
Registration Opens on 09/15/2025 at 8:00am

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, 09/30/2025
Time:
5:00 pm - 6:30 pm
Where:
Native Seed Farm COI
Difficulty Rating:
3
Minimum Age:
14
Registration:
Registration Opens on 09/15/2025 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 Ranch Open Space, you may travel at various hiking speeds based on your comfort...

Date:
Tue, 09/30/2025
Time:
6:00 pm - 7:30 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
3
Distance:
3.5 miles
Minimum Age:
12
Registration:
Registration Opens on 09/15/2025 at 8:00am

Wednesday, October 1, 2025

Come along with us on this scenic distance hike through Limestone 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 two...

Date:
Wed, 10/01/2025
Time:
7:00 am - 12:00 pm
Where:
Red Rock Wilderness
Difficulty Rating:
5
Distance:
10 miles
Minimum Age:
18
Registration:
Registration Opens on 09/16/2025 at 8:00am
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