Skip to content

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.
Tips & Resources:
Tips & Resources About This Page

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.
Search & Filter
585 Events Found

Thursday, October 2, 2025

Come out and enjoy the evening with us on the Orchard Hills loop trail. This trail meanders around an avocado orchard on the edge of the open space preserve and provides fantastic ridge-top views of Irvine and the Pacific coastline. The...

Date:
Thu, 10/02/2025
Time:
5:30 pm - 7:30 pm
Where:
Orchard Hills
Difficulty Rating:
3
Distance:
3 miles
Minimum Age:
16
Registration:
Registration Opens on 09/17/2025 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, 10/02/2025
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 09/17/2025 at 8:00am

Friday, October 3, 2025

Come explore Gypsum Canyon Wilderness, the northernmost portion of OC Parks’ Irvine Ranch Open Space. This scenic hike involves steepish climbs and descents on several single-track trails and is done at an average moving pace of 3 miles per hour....

Date:
Fri, 10/03/2025
Time:
7:00 am - 10:00 am
Where:
Gypsum Canyon Wilderness
Difficulty Rating:
4
Distance:
6.5 miles
Minimum Age:
18
Registration:
Registration Opens on 09/18/2025 at 8:00am

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, 10/03/2025
Time:
8:00 am - 11:00 am
Where:
Buck Gully Reserve
Difficulty Rating:
3
Distance:
5 miles
Minimum Age:
18
Registration:
Registration Opens on 09/18/2025 at 8:00am

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:
Fri, 10/03/2025
Time:
8:00 am - 11:00 am
Where:
Native Seed Farm OCP
Difficulty Rating:
2
Minimum Age:
8
Registration:
Registration Opens on 09/19/2025 at 8:00am

  The best camera is the one you have with you, and for most, it’s also your cell phone! Join us for a beginner’s program to taking better photos with your cell phone. Each session will cover photography theory basics,...

Date:
Fri, 10/03/2025
Time:
8:00 am - 10:00 am
Where:
Irvine Regional Park
Difficulty Rating:
1
Minimum Age:
12
Registration:
Registration Opens on 09/19/2025 at 12:00am

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

**No need to water during rainy days.

Date:
Fri, 10/03/2025
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, 10/03/2025
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 09/19/2025 at 6:00am

As the day starts to settle into the night in OCParks’ Irvine Ranch Open Space, bats awaken, stir and streak into the evening sky. Come hear fascinating tales of our flying mammals. We will head out towards a popular roosting...

Date:
Fri, 10/03/2025
Time:
6:00 pm - 8:00 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
1
Distance:
2 miles
Minimum Age:
5
Registration:
Registration Opens on 09/18/2025 at 8:00am

Saturday, October 4, 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, 10/04/2025
Time:
8:00 am - 11:00 am
Where:
Native Seed Farm OCP
Difficulty Rating:
2
Minimum Age:
8
Registration:
Registration Opens on 09/19/2025 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, 10/04/2025
Time:
8:00 am - 2:00 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
Variable
Distance:
Variable
Minimum Age:
All Ages
Family Friendly:
Yes
Registration:
Registration Opens on 09/19/2025 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, 10/04/2025
Time:
8:00 am - 2:00 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
Variable
Distance:
Variable
Minimum Age:
All Ages
Family Friendly:
Yes
Registration:
Registration Opens on 09/19/2025 at 8:00am

Do you want to take a hike with other nature enthusiasts? Enjoy a 3.8-mile, moderate (600-ft. elevation gain) hike through Laurel and Willow Canyons led by Laguna Canyon Foundation volunteers in partnership with OC Parks. You will experience a variety...

Date:
Sat, 10/04/2025
Time:
8:30 am - 11:00 am
Where:
Laguna Coast Wilderness Park
Difficulty Rating:
3
Minimum Age:
12

Join us for a leisurely walk through the Native Seed Farm to see plants maturing throughout the year. 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, 10/04/2025
Time:
12:00 pm - 1:30 pm
Where:
Native Seed Farm COI
Difficulty Rating:
1
Distance:
1 miles
Minimum Age:
8
Registration:
Registration Opens on 09/19/2025 at 8:00am

Enjoy an afternoon family hike in Red Rock Wilderness, part of OC Parks’ Irvine Ranch Open Space. We will hike along a flat trail and cross a dry creek as we watch for red-tailed hawks and mule deer. The hike...

Date:
Sat, 10/04/2025
Time:
4:00 pm - 6:30 pm
Where:
Red Rock Wilderness
Difficulty Rating:
2
Distance:
3.5 miles
Minimum Age:
5
Family Friendly:
Yes
Registration:
Registration Opens on 09/19/2025 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, 10/04/2025
Time:
4:30 pm - 6:30 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
3
Distance:
6 miles
Minimum Age:
16
Registration:
Registration Opens on 09/19/2025 at 8:00am

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, past an abandoned coal mine, up to the Fremont...

Date:
Sat, 10/04/2025
Time:
5:00 pm - 7:15 pm
Where:
Fremont Canyon Nature Preserve
Difficulty Rating:
4
Distance:
6 miles
Minimum Age:
18
Registration:
Registration Opens on 09/19/2025 at 8:00am

Sunday, October 5, 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, 10/05/2025
Time:
6:30 am - 12:30 pm
Where:
Quail Hill
Difficulty Rating:
5
Distance:
14 miles
Minimum Age:
18
Registration:
Registration Opens on 09/19/2025 at 8:00am

Join us for a challenging and beautiful adventure as we hike to the Hangman’s Tree Monument on Loma Ridge. Hike distance is 6 miles and affords fantastic views along the way, spanning the Pacific coastline, San Gabriel peaks and the...

Date:
Sun, 10/05/2025
Time:
7:00 am - 10:00 am
Where:
Orchard Hills
Difficulty Rating:
4
Distance:
6 miles
Minimum Age:
18
Registration:
Registration Opens on 09/20/2025 at 8:00am

We start our ride through OC Parks’ Irvine Ranch Open Space on the paved Hicks Haul Road, the extension of Jeffrey Rd north of Portola Pkwy. As we warm up on the climb to the top of the road, we...

Date:
Sun, 10/05/2025
Time:
8:00 am - 11:30 am
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
4
Distance:
16 miles
Minimum Age:
18
Registration:
Registration Opens on 09/20/2025 at 8:00am
3 4 5 6 7 8 9 10 11 12 13 14