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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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125 Events Found • Filtered by: Category: Hiking & Fitness

Friday, August 8, 2025

Enjoy an easy two-mile hike to warm up your legs before practicing yoga in nature. The hike is highlighted with views of Irvine, the remaining Tustin blimp hangar and a seasonal pond. The yoga is suitable for those with little...

Date:
Fri, 08/08/2025
Time:
8:00 am - 10:00 am
Where:
Quail Hill
Difficulty Rating:
2
Distance:
2 miles
Minimum Age:
18
Registration:
0 of 15 Spaces Left

Join us for a rigorous Friday Red-Light-Night Cardio Hike deep in the City of Irvine’s Open Space Preserve. This fast fitness hike starts on the Quail Hill Trailhead just next to the Quail Hill Community Center. This hike will explore...

Date:
Fri, 08/08/2025
Time:
7:15 pm - 10:00 pm
Where:
Quail Hill
Difficulty Rating:
5
Distance:
9 miles
Minimum Age:
18
Registration:
Registration Closed

Saturday, August 9, 2025

Do you want to explore the Sinks, a geological rock formation that has got its reputation as “Orange County’s miniature Grand Canyon”? Come out and join us on a hike from the Portola staging area to the West Sinks in...

Date:
Sat, 08/09/2025
Time:
7:00 am - 9:30 am
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
4
Distance:
6 miles
Minimum Age:
18
Registration:
0 of 25 Spaces Left

Explore beautiful Limestone Canyon, part of OCParks’ Irvine Ranch Open Space, on this serene morning hike to Dripping Springs. Limestone Canyon Nature Preserve is one of the most pristine wilderness areas in the county. Dripping Springs is an extremely sensitive...

Date:
Sat, 08/09/2025
Time:
8:00 am - 11:30 am
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
4
Distance:
7 miles
Minimum Age:
16
Registration:
0 of 25 Spaces Left

Enjoy a 3+ mile hike and gentle yoga practice in nature. The hike through Baker Canyon, part of OCParks’ Irvine Ranch Open Space, includes an elevation gain of approximately 500′ and will be a nice warm up for a gentle...

Date:
Sat, 08/09/2025
Time:
8:30 am - 11:00 am
Where:
Black Star Canyon Wilderness Park
Difficulty Rating:
3
Distance:
4 miles
Minimum Age:
13
Registration:
1 of 20 Space Left

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, 08/09/2025
Time:
6:00 pm - 8:00 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
3
Distance:
6 miles
Minimum Age:
16
Registration:
10 of 25 Spaces Left

Sunday, August 10, 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, 08/10/2025
Time:
6:30 am - 8:30 am
Where:
Bommer Canyon Preserve
Difficulty Rating:
5
Distance:
6 miles
Minimum Age:
18
Registration:
10 of 10 Spaces Left

Join us on this moderate-paced hike over the ridge and the through beautiful Limestone Canyon Nature Preserve, part of OC Parks’ Irvine Ranch Open Space. We will enjoy short breaks at the East and West Sinks viewing platforms before hiking...

Date:
Sun, 08/10/2025
Time:
7:00 am - 11:00 am
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
4
Distance:
9.5 miles
Minimum Age:
18
Registration:
4 of 25 Spaces Left

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, 08/10/2025
Time:
7:00 am - 10:00 am
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
4
Distance:
8.5 miles
Minimum Age:
18
Registration:
22 of 25 Spaces Left

Monday, August 11, 2025

Come start your week with us on our Super Treks in the Landmarks. Join us as we explore the City of Irvine’s Open Space Preserve, hiking Quail Hill and Shady Canyon trails. Our hike will climb through rocky terrain and...

Date:
Mon, 08/11/2025
Time:
7:00 am - 11:00 am
Where:
Quail Hill
Difficulty Rating:
4
Distance:
9 miles
Minimum Age:
18
Registration:
4 of 20 Spaces Left

Join this teen and ‘tween youth-friendly hike (minimum age 10) departing from Nix Nature center into the pristine habitat of Shady Canyon. We’ll hike 5 miles on a mix of single-track trails and old ranch roads. Our hike will start...

Date:
Mon, 08/11/2025
Time:
8:00 am - 12:00 pm
Where:
Laguna Coast Wilderness Park
Difficulty Rating:
3
Minimum Age:
10

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, 08/11/2025
Time:
6:00 pm - 7:30 pm
Where:
Irvine Open Space Preserve
Difficulty Rating:
3
Distance:
3.5 miles
Minimum Age:
16
Registration:
17 of 25 Spaces Left

Tuesday, August 12, 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, 08/12/2025
Time:
7:30 am - 10:30 am
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
3
Distance:
8 miles
Minimum Age:
16
Registration:
17 of 25 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 Ranch Open Space, you may travel at various hiking speeds based on your comfort...

Date:
Tue, 08/12/2025
Time:
6:00 pm - 7:30 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
3
Distance:
3.5 miles
Minimum Age:
12
Registration:
20 of 25 Spaces Left

Wednesday, August 13, 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 Buck Gully, part of the City of...

Date:
Wed, 08/13/2025
Time:
9:00 am - 11:30 am
Where:
Buck Gully Reserve
Difficulty Rating:
2
Distance:
2 miles
Minimum Age:
6
Registration:
13 of 15 Spaces Left

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, 08/13/2025
Time:
6:00 pm - 7:30 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
3
Distance:
3.5 miles
Minimum Age:
16
Registration:
12 of 25 Spaces Left

Thursday, August 14, 2025

This week in OC Parks’ Irvine Ranch Open Space, we’ll hike in Limestone Canyon to Dripping Springs. The hike is a 7-mile loop hike which includes some hills and descents. In addition to the springs, we will enjoy panoramic views...

Date:
Thu, 08/14/2025
Time:
7:00 am - 10:30 am
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
4
Distance:
7 miles
Minimum Age:
16
Registration:
0 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, 08/14/2025
Time:
6:00 pm - 7:30 pm
Where:
Irvine Open Space Preserve
Difficulty Rating:
3
Distance:
3.5 miles
Minimum Age:
12
Registration:
15 of 25 Spaces Left

Friday, August 15, 2025

Enjoy an easy two-mile hike to warm up your legs before practicing yoga in nature. The hike is highlighted with views of Irvine, the remaining Tustin blimp hangar and a seasonal pond. The yoga is suitable for those with little...

Date:
Fri, 08/15/2025
Time:
8:00 am - 11:00 am
Where:
Quail Hill
Difficulty Rating:
2
Distance:
2 miles
Minimum Age:
18
Registration:
0 of 15 Spaces Left

Sunday, August 17, 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, 08/17/2025
Time:
6:30 am - 12:30 pm
Where:
Quail Hill
Difficulty Rating:
5
Distance:
14 miles
Minimum Age:
18
Registration:
15 of 20 Spaces Left
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