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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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49 Events Found • Filtered by: Area: Bommer Canyon Preserve

Wednesday, December 10, 2025

Hiking is a great way to connect to nature and stay healthy and active. If you are new to the outdoors, it can be difficult to know where to begin. Come out to Bommer Canyon, part of the Irvine Open...

Date:
Wed, 12/10/2025
Time:
9:00 am - 11:30 am
Where:
Bommer Canyon Preserve
Difficulty Rating:
2
Distance:
3 miles
Minimum Age:
5
Registration:
Registration Opens on 11/25/2025 at 8:00am

Thursday, December 11, 2025

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, 12/11/2025
Time:
12:00 am - 12:00 am
Where:
Bommer Canyon Preserve
Difficulty Rating:
3
Distance:
3 miles
Minimum Age:
12
Registration:
Registration Opens on 11/26/2025 at 8:00am

Friday, December 12, 2025

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 1 pm. This includes the single tracks in...

Date:
Fri, 12/12/2025
Time:
8:00 am - 1:00 pm
Where:
Bommer Canyon Preserve
Difficulty Rating:
Variable
Distance:
Variable
Minimum Age:
All Ages
Family Friendly:
Yes
Registration:
Registration Opens on 12/02/2025 at 8:00am

Sunday, December 14, 2025

Join us for an energizing trail run at Bommer Canyon, a scenic open space in Irvine known for its rolling hills, rugged paths, and breathtaking views of Southern California’s coastal landscape. This 6-mile route, featuring elevation changes totaling 1,300 feet,...

Date:
Sun, 12/14/2025
Time:
6:30 am - 8:30 am
Where:
Bommer Canyon Preserve
Difficulty Rating:
5
Distance:
6 miles
Minimum Age:
18
Registration:
Registration Opens on 11/29/2025 at 8:00am

Experience the beauty of Bommer Canyon that takes you to the back gate of Hogback Ridge, during this moderate-paced, interpretive hike in the Irvine Open Space Preserve. We’ll experience the mature coastal sage scrub and fantastic views overlooking the city...

Date:
Sun, 12/14/2025
Time:
7:30 am - 10:30 am
Where:
Bommer Canyon Preserve
Difficulty Rating:
3
Minimum Age:
12
Registration:
Registration Opens on 11/29/2025 at 8:00am

Monday, December 15, 2025

Come start your week with us on our Super Treks in the Irvine Open Space Preserve. Join us as we explore Bommer Canyon and Crystal Cove State Park. After hiking up to Bommer Ridge, we drop down and loop through...

Date:
Mon, 12/15/2025
Time:
7:30 am - 12:00 pm
Where:
Bommer Canyon Preserve
Difficulty Rating:
4
Distance:
11 miles
Minimum Age:
18
Registration:
Registration Opens on 11/16/2025 at 8:00am

Thursday, December 18, 2025

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, 12/18/2025
Time:
8:30 am - 10:30 am
Where:
Bommer Canyon Preserve
Difficulty Rating:
3
Distance:
3 miles
Minimum Age:
12
Registration:
Registration Opens on 12/03/2025 at 8:00am

Saturday, December 20, 2025

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, 12/20/2025
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 12/10/2025 at 8:00am

Sunday, December 21, 2025

Experience the beauty of Bommer Canyon that takes you to the back gate of Hogback Ridge, during this moderate-paced, interpretive hike in the Irvine Open Space Preserve. We’ll experience the mature coastal sage scrub and fantastic views overlooking the city...

Date:
Sun, 12/21/2025
Time:
7:30 am - 10:30 am
Where:
Bommer Canyon Preserve
Difficulty Rating:
3
Minimum Age:
12
Registration:
Registration Opens on 12/06/2025 at 8:00am
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