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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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557 Events Found

Monday, October 20, 2025

It’s easy to think many of the birds we see and hear look and act the same. But do they? Bring your binoculars and join us on a slow/medium paced walk in OC Parks’ Irvine Ranch Open Space, as we...

Date:
Mon, 10/20/2025
Time:
7:30 am - 10:00 am
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
2
Distance:
3 miles
Minimum Age:
16
Registration:
Registration Opens on 10/05/2025 at 8:00am

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, 10/20/2025
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 10/05/2025 at 8:00am

Tuesday, October 21, 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, 10/21/2025
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 10/06/2025 at 8:00am

Join us on a slow-paced hike along the back-country ridges and valleys of Weir Canyon, part of OCParks’ Irvine Ranch Open Space. We’ll travel on rough old ranch roads passing by woodlands of majestic oak trees and expanses of Coastal...

Date:
Tue, 10/21/2025
Time:
8:00 am - 11:00 am
Where:
Weir Canyon Nature Preserve
Difficulty Rating:
3
Distance:
5 miles
Minimum Age:
16
Registration:
Registration Opens on 10/06/2025 at 8:00am

Spend the morning watering and mulching Coast Live Oak seedlings within a beautiful oak woodland and then hike to Dripping Springs, a natural water source dripping out of an earthquake fault and down a gorgeous fern-covered rock face. Your work...

Date:
Tue, 10/21/2025
Time:
9:00 am - 12:30 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
3
Distance:
3.5 miles
Minimum Age:
18
Registration:
Registration Opens on 10/06/2025 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, 10/21/2025
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 10/06/2025 at 8:00am

Wednesday, October 22, 2025

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:
Wed, 10/22/2025
Time:
8:00 am - 11:30 am
Where:
Buck Gully Reserve
Difficulty Rating:
3
Distance:
4 miles
Minimum Age:
16
Registration:
Registration Opens on 10/07/2025 at 8:00am

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, 10/22/2025
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 10/07/2025 at 8:00am

Thursday, October 23, 2025

This week in the Irvine Open Space Preserve, we’ll be in Quail Hill, once part of the historic Irvine cattle ranch. The hike is seven and a half miles with some climbing but rewards you with fantastic views overlooking Laguna...

Date:
Thu, 10/23/2025
Time:
7:30 am - 11:00 am
Where:
Quail Hill
Difficulty Rating:
4
Distance:
7.5 miles
Minimum Age:
16
Registration:
Registration Opens on 10/08/2025 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, 10/23/2025
Time:
8:30 am - 10:30 am
Where:
Bommer Canyon Preserve
Difficulty Rating:
3
Distance:
3 miles
Minimum Age:
12
Registration:
Registration Opens on 10/08/2025 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, moderately paced, 6.6-mile hike over...

Date:
Thu, 10/23/2025
Time:
8:30 am - 11:00 am
Where:
Laguna Coast Wilderness Park
Difficulty Rating:
4
Minimum Age:
16

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, 10/23/2025
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 10/08/2025 at 8:00am

Friday, October 24, 2025

Come along with us on this early morning hike into beautiful Limestone Canyon Nature Preserve, part of OC Parks’ Irvine Ranch Open Space. You’ll be rewarded with a spectacular view of The Sinks as well as sweeping views of Orange...

Date:
Fri, 10/24/2025
Time:
7:00 am - 11:00 am
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
5
Distance:
10 miles
Minimum Age:
18
Registration:
Registration Opens on 10/09/2025 at 8:00am

Birds and other wildlife need healthy habitat to thrive. Simple things like planting native plants or removing non-native plants can greatly improve habitat for wildlife. You can be part of that positive impact while enjoying the beauty of Buck Gully...

Date:
Fri, 10/24/2025
Time:
8:00 am - 11:00 am
Where:
Buck Gully Reserve
Difficulty Rating:
3
Distance:
0 miles
Minimum Age:
18
Registration:
Registration Opens on 10/09/2025 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, 10/24/2025
Time:
8:00 am - 11:00 am
Where:
Native Seed Farm COI
Difficulty Rating:
2
Minimum Age:
8
Registration:
Registration Opens on 10/10/2025 at 8:00am

Celebrate fall by making an autumn-colored pressed flower jar- perfect for candles or fairy lights. We will go a short meditation walk and explore the different meanings of fall.  Age: 12 or older. Participants under 18 must be accompanied by a...

Date:
Fri, 10/24/2025
Time:
9:30 am - 11:30 am
Where:
Laguna Coast Wilderness Park
Difficulty Rating:
2
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, 10/24/2025
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 10/10/2025 at 6:00am

The OC Parks Jr. Ranger Program encourages park guests to explore the outdoor world within OC Parks by developing a sense of belonging, becoming a part of nature and feeling empowered to be stewards of Orange County’s natural and cultural...

Date:
Fri, 10/24/2025
Time:
3:30 pm - 5:00 pm
Where:
Irvine Regional Park
Difficulty Rating:
1
Minimum Age:
All Ages
Registration:
Registration Opens on 10/10/2025 at 12:00am

Take a leisurely ride on beautiful Hall Canyon and Helo trail 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...

Date:
Fri, 10/24/2025
Time:
4:00 pm - 7:00 pm
Where:
Black Star Canyon Wilderness Park
Difficulty Rating:
3
Distance:
3 miles
Minimum Age:
10
Registration:
Registration Opens on 10/09/2025 at 8:00am

Saturday, October 25, 2025

Join us for a strenuous, extremely challenging, fast-paced, early morning cardio hike in Limestone Canyon, 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...

Date:
Sat, 10/25/2025
Time:
6:30 am - 8:45 am
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
5
Distance:
8 miles
Minimum Age:
18
Registration:
Registration Opens on 10/10/2025 at 8:00am
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