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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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41 Events Found • Filtered by: Area: Irvine Open Space Preserve

Thursday, September 4, 2025

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, 09/04/2025
Time:
6:00 pm - 7:30 pm
Where:
Irvine Open Space Preserve
Difficulty Rating:
3
Distance:
3.5 miles
Minimum Age:
12
Registration:
Registration Closed

Sunday, September 7, 2025

Curious to learn about the plants among us, who’s sus and who’s not? To celebrate Biodiversity Day, join us for a hike in Agua Chinon where we’ll look at local flora, talk about native and non-native species, and learn how...

Date:
Sun, 09/07/2025
Time:
8:30 am - 11:00 am
Where:
Irvine Open Space Preserve
Difficulty Rating:
2
Distance:
3 miles
Minimum Age:
5
Registration:
4 of 15 Spaces Left

Monday, September 8, 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, 09/08/2025
Time:
6:00 pm - 7:30 pm
Where:
Irvine Open Space Preserve
Difficulty Rating:
3
Distance:
3.5 miles
Minimum Age:
16
Registration:
12 of 25 Spaces Left

Thursday, September 11, 2025

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, 09/11/2025
Time:
6:00 pm - 7:30 pm
Where:
Irvine Open Space Preserve
Difficulty Rating:
3
Distance:
3.5 miles
Minimum Age:
12
Registration:
19 of 25 Spaces Left

Saturday, September 13, 2025

If you’ve got kids showing an interest in mountain biking and want them to learn practical bike handling skills, then join us for the IRC Kid’s Rider Skills Clinic.  The class begins with an overview of bicycle safety and clinic...

Date:
Sat, 09/13/2025
Time:
10:00 am - 12:00 pm
Where:
Irvine Open Space Preserve
Difficulty Rating:
2
Minimum Age:
8
Registration:
6 of 16 Spaces Left

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

Thursday, September 18, 2025

Come out and join us on a breathtaking hike from the Irvine Open Space Preserve into OC Parks’ Limestone Canyon Nature Preserve. This week’s docent-led hike begins in the Agua Chinon wash, continues to The Sinks, and may include a...

Date:
Thu, 09/18/2025
Time:
7:00 am - 10:30 am
Where:
Irvine Open Space Preserve
Difficulty Rating:
4
Distance:
8 miles
Minimum Age:
16
Registration:
15 of 20 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 Open Space Preserve, you may travel at various hiking speeds based on your comfort...

Date:
Thu, 09/18/2025
Time:
6:00 pm - 7:30 pm
Where:
Irvine Open Space Preserve
Difficulty Rating:
3
Distance:
3.5 miles
Minimum Age:
12
Registration:
25 of 25 Spaces Left

Saturday, September 20, 2025

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, 09/20/2025
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 09/05/2025 at 8:00am

Monday, September 22, 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, 09/22/2025
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 09/07/2025 at 8:00am

Thursday, September 25, 2025

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, 09/25/2025
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 09/10/2025 at 8:00am

Saturday, September 27, 2025

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

Sunday, September 28, 2025

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

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

Thursday, October 2, 2025

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

Monday, October 6, 2025

Enjoy an evening hike through stunning rock formations and fragrant native plants as you listen to the sounds of nature. This hike is done at an easy walking pace. This out-and-back program travels 3 – 3.5 miles round trip to...

Date:
Mon, 10/06/2025
Time:
7:30 pm - 9:30 pm
Where:
Irvine Open Space Preserve
Difficulty Rating:
2
Distance:
3.5 miles
Minimum Age:
12
Registration:
Registration Opens on 09/21/2025 at 8:00am

Thursday, October 9, 2025

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, 10/09/2025
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 09/24/2025 at 8:00am

Saturday, October 11, 2025

If you’ve got kids showing an interest in mountain biking and want them to learn practical bike handling skills, then join us for the IRC Kid’s Rider Skills Clinic.  The class begins with an overview of bicycle safety and clinic...

Date:
Sat, 10/11/2025
Time:
10:00 am - 12:00 pm
Where:
Irvine Open Space Preserve
Difficulty Rating:
2
Minimum Age:
8
Registration:
Registration Opens on 09/26/2025 at 8:00am

Monday, October 13, 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, 10/13/2025
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 09/28/2025 at 8:00am

Thursday, October 16, 2025

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
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