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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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36 Events Found • Filtered by: Area: Limestone Canyon Nature Preserve

Tuesday, September 2, 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, 09/02/2025
Time:
7:30 am - 10:30 am
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
3
Distance:
8 miles
Minimum Age:
16
Registration:
15 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, 09/02/2025
Time:
6:00 pm - 7:30 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
3
Distance:
3.5 miles
Minimum Age:
12
Registration:
6 of 25 Spaces Left

Wednesday, September 3, 2025

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, 09/03/2025
Time:
6:00 pm - 7:30 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
3
Distance:
3.5 miles
Minimum Age:
16
Registration:
13 of 25 Spaces Left

Thursday, September 4, 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 Limestone Canyon, part of Orange County Park’s...

Date:
Thu, 09/04/2025
Time:
8:30 am - 11:00 am
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
2
Distance:
2.5 miles
Minimum Age:
6
Registration:
10 of 15 Spaces Left

Saturday, September 6, 2025

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:
Sat, 09/06/2025
Time:
7:00 am - 11:00 am
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
4
Distance:
9.5 miles
Minimum Age:
18
Registration:
0 of 25 Spaces Left

Enjoy an afternoon family hike in Agua Chinon, part of OC Parks’ Irvine Ranch Open Space. We hike a gradual climb of 500 ft elevation as we watch for red-tailed hawks and mule deer.  This activity originates in the City...

Date:
Sat, 09/06/2025
Time:
4:30 pm - 7:00 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
2
Distance:
3 miles
Minimum Age:
5
Family Friendly:
Yes
Registration:
1 of 20 Space Left

Sunday, September 7, 2025

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, 09/07/2025
Time:
7:30 am - 11:00 am
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
4
Distance:
16 miles
Minimum Age:
18
Registration:
4 of 15 Spaces Left

Tuesday, September 9, 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, 09/09/2025
Time:
7:30 am - 10:30 am
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
3
Distance:
8 miles
Minimum Age:
16
Registration:
23 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, 09/09/2025
Time:
6:00 pm - 7:30 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
3
Distance:
3.5 miles
Minimum Age:
12
Registration:
23 of 25 Spaces Left

Wednesday, September 10, 2025

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, 09/10/2025
Time:
6:00 pm - 7:30 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
3
Distance:
3.5 miles
Minimum Age:
16
Registration:
18 of 25 Spaces Left

Thursday, September 11, 2025

Take a leisurely equestrian ride through beautiful Limestone Canyon, part of OC Parks’ Irvine Ranch Open Space, and home of oak woodlands, grasslands, and coastal sage scrub. On a clear day this ride has amazing views of Orange County and...

Date:
Thu, 09/11/2025
Time:
9:30 am - 1:30 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
3
Distance:
8 miles
Minimum Age:
18
Registration:
3 of 8 Spaces Left

Saturday, September 13, 2025

Come search for evidence that animals leave behind in OC Parks’ Irvine Ranch Open Space. Mule deer, bobcats, coyotes and even mountain lions call this hidden canyon home. Gain the basic tracking techniques as we search for evidence such as...

Date:
Sat, 09/13/2025
Time:
8:00 am - 11:00 am
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
2
Distance:
3 miles
Minimum Age:
12
Registration:
16 of 20 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, 09/13/2025
Time:
8:30 am - 11:45 am
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
4
Distance:
7 miles
Minimum Age:
16
Registration:
10 of 25 Spaces 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, 09/13/2025
Time:
6:00 pm - 8:00 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
3
Distance:
6 miles
Minimum Age:
16
Registration:
22 of 25 Spaces Left

Sunday, September 14, 2025

Escape into the stunning landscapes of the Irvine Ranch Natural Landmarks with a one of kind family hiking experience. Our guided walk features a friendly horse, offering a special opportunity to interact with these magnificent animals while exploring the natural...

Date:
Sun, 09/14/2025
Time:
9:00 am - 12:00 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
2
Distance:
3 miles
Minimum Age:
5
Registration:
5 of 10 Spaces Left

Tuesday, September 16, 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, 09/16/2025
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 09/01/2025 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, 09/16/2025
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 09/01/2025 at 8:00am

Wednesday, September 17, 2025

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, 09/17/2025
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 09/02/2025 at 8:00am

Thursday, September 18, 2025

Spend your morning helping to remove weeds and rebuild berms within the butterfly habitat islands in Limestone. With your help we will be able to maintain “islands” of host and nectar plants for butterflies in decline in Limestone Canyon. You...

Date:
Thu, 09/18/2025
Time:
8:30 am - 11:30 am
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
2
Distance:
2 miles
Minimum Age:
18
Registration:
Registration Opens on 09/03/2025 at 8:00am

Saturday, September 20, 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, 09/20/2025
Time:
7:00 am - 9:30 am
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
4
Distance:
6 miles
Minimum Age:
18
Registration:
Registration Opens on 09/05/2025 at 8:00am
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