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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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546 Events Found

Saturday, September 20, 2025

PRE-REGISTRATION is REQUIRED for this event.  All participants are required to have, a printed copy or on their phone, the confirmation email to show through the window of their vehicle to drive through the entry gate. You will need the...

Date:
Sat, 09/20/2025
Time:
8:00 am - 2:00 pm
Where:
Red Rock Wilderness
Difficulty Rating:
Variable
Minimum Age:
All Ages
Family Friendly:
Yes
Registration:
133 of 250 Spaces Left

PRE-REGISTRATION is REQUIRED for this event.  All participants are required to have, a printed copy or on their phone, the confirmation email to show through the window of their vehicle to drive through the entry gate. You will need the...

Date:
Sat, 09/20/2025
Time:
8:00 am - 2:00 pm
Where:
Red Rock Wilderness
Difficulty Rating:
Variable
Minimum Age:
All Ages
Registration:
0 of 3 Spaces Left

Join OC Parks, Newport Bay Conservancy and volunteers around the world for Coastal Cleanup Day at Upper Newport Bay on Saturday, Sept. 20th. Lend a helping hand and make a positive impact on our coastlines as we work together to...

Date:
Sat, 09/20/2025
Time:
9:00 am - 12:00 pm
Where:
Upper Newport Bay
Difficulty Rating:
1
Minimum Age:
8

Come chat with a Civil War living historian at the cannon in Irvine Regional Park! The volunteer will share the history of the 1853 Howitzer cannon and how it came to be at its current location. Hear recounts of other...

Date:
Sat, 09/20/2025
Time:
11:00 am - 3:00 pm
Where:
Irvine Regional Park
Difficulty Rating:
1
Minimum Age:
12

Join us for a leisurely walk through the Native Seed Farm to see our wildflower plots in bloom. We’ll stick to the hard-pack roads around the fields – bring your camera to take photos or simply enjoy the scenery. You’ll...

Date:
Sat, 09/20/2025
Time:
12:00 pm - 1:30 pm
Where:
Native Seed Farm COI
Difficulty Rating:
1
Distance:
1 miles
Minimum Age:
8

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:
Sat, 09/20/2025
Time:
1:00 pm - 2:30 pm
Where:
Arden: Helena Modjeska Historic House and Gardens
Difficulty Rating:
1
Minimum Age:
7
Registration:
0 of 12 Spaces Left

Enjoy an afternoon family hike in Baker Canyon, part of OC Parks’ Irvine Ranch Open Space. We will hike along a flat trail as we watch for red-tailed hawks and mule deer. The hike will average 2 miles round trip...

Date:
Sat, 09/20/2025
Time:
4:00 pm - 6:30 pm
Where:
Black Star Canyon Wilderness Park
Difficulty Rating:
2
Distance:
2 miles
Minimum Age:
5
Family Friendly:
Yes
Registration:
6 of 20 Spaces Left

Join Laguna Canyon Foundation and OC Parks at one of our habitat restoration stewardship events in Laguna Coast Wilderness Park as we learn and work together to create a healthier habitat for the native plants and wildlife that call the...

Date:
Sat, 09/20/2025
Time:
5:00 pm - 7:00 pm
Where:
Laguna Coast Wilderness Park
Difficulty Rating:
2
Minimum Age:
16

As the day starts to settle into the night in OCParks’ Irvine Ranch Open Space, bats awaken, stir and streak into the evening sky. Come hear fascinating tales of our flying mammals. We will head out towards a popular roosting...

Date:
Sat, 09/20/2025
Time:
6:00 pm - 8:00 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
1
Distance:
2 miles
Minimum Age:
5
Registration:
0 of 30 Spaces Left

Join us for this evening program as we explore biodiversity at the local level with that most diverse group of organisms, the insects! Taking advantage of the fact that UV light is highly visible to most insects, we will attract...

Date:
Sat, 09/20/2025
Time:
7:00 pm - 9:00 pm
Where:
Black Star Canyon Wilderness Park
Difficulty Rating:
1
Minimum Age:
7
Registration:
3 of 16 Spaces Left

Sunday, September 21, 2025

Come enjoy an early morning hike in Fremont Canyon Nature Preserve, part of OC Parks’ Irvine Ranch Open Space. Our hike climbs steeply from the mouth of Fremont Canyon, past an abandoned coal mine up to the Fremont Weather Station...

Date:
Sun, 09/21/2025
Time:
7:00 am - 9:30 am
Where:
Fremont Canyon Nature Preserve
Difficulty Rating:
4
Distance:
6 miles
Minimum Age:
18
Registration:
0 of 15 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, 09/21/2025
Time:
7:00 am - 10:00 am
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
4
Distance:
8.5 miles
Minimum Age:
18
Registration:
18 of 25 Spaces Left

Enjoy miles of lush oak studded canyons, fascinating rock formations and sweeping views from the Overlook Trail in the tranquility of the Weir Canyon back country, part of OC Parks’ Irvine Ranch Open Space. On a clear day we’ll be...

Date:
Sun, 09/21/2025
Time:
7:00 am - 11:00 am
Where:
Weir Canyon Nature Preserve
Difficulty Rating:
4
Distance:
9.5 miles
Minimum Age:
16
Registration:
7 of 20 Spaces Left

Experience the early morning serenity of Bommer Meadow during this slow-paced interpretive hike in the Irvine Open Space Preserve. We’ll experience mature coastal sage scrub and wildlife. This hike is 2 miles and includes 200 feet of total elevation.

Date:
Sun, 09/21/2025
Time:
7:30 am - 10:00 am
Where:
Bommer Canyon Preserve
Difficulty Rating:
2
Distance:
2 miles
Minimum Age:
12
Registration:
13 of 20 Spaces Left

Enjoy riding in the wilderness on empty trails? Then join us on a docent-led mountain bike ride that loops through Baker Canyon. The route features expansive views of Silverado and Santiago Canyons, Irvine Lake and the Santa Ana Mountains, as...

Date:
Sun, 09/21/2025
Time:
8:00 am - 10:30 am
Where:
Black Star Canyon Wilderness Park
Difficulty Rating:
3
Distance:
10 miles
Minimum Age:
16
Registration:
0 of 15 Spaces Left

Join Mile Square Regional Park staff and volunteers in enhancing the Nature Area habitat for local wildlife. Activities may include non-native plant removal, planting natives, watering, trash cleanup, and Butterfly Garden maintenance. No experience is necessary; please bring a hat,...

Date:
Sun, 09/21/2025
Time:
8:00 am - 10:00 am
Where:
Mile Square Regional Park
Difficulty Rating:
1
Minimum Age:
8
Registration:
8 of 25 Spaces Left

For families and children ages 12 and up who would like to join IRC-certified volunteers in OC Parks’ Irvine Ranch Open Space on a longer, slow-paced, family-oriented ride through sycamores, oaks, and habitat native to California. The route takes us...

Date:
Sun, 09/21/2025
Time:
4:00 pm - 6:30 pm
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
Variable
Distance:
8 miles
Minimum Age:
12
Registration:
13 of 15 Spaces Left

Come join us for an interactive evening under the stars.  Immerse yourself in a scaled-down version of our solar system.  Test your imagination in naming the constellations.  Reenact the struggle between Orion and the Scorpion.  The hike will average 2-3...

Date:
Sun, 09/21/2025
Time:
6:30 pm - 8:30 pm
Where:
Red Rock Wilderness
Difficulty Rating:
2
Distance:
3.5 miles
Minimum Age:
5
Family Friendly:
Yes
Registration:
0 of 20 Spaces Left

Monday, September 22, 2025

Come explore Gypsum Canyon Wilderness, the northernmost portion of OC Parks’ Irvine Ranch Open Space. This scenic hike involves steep climbs and descents on several single-track trails and is done at an average moving pace of 3 miles per hour....

Date:
Mon, 09/22/2025
Time:
7:00 am - 10:00 am
Where:
Gypsum Canyon Wilderness
Difficulty Rating:
4
Distance:
6.5 miles
Minimum Age:
18
Registration:
12 of 20 Spaces Left

Come start your week with us on our Super Treks in the Landmarks. Join us as we explore Weir Canyon, part of OC Parks’ Irvine Ranch Open Space. We will hike up over Rifle Range and continue to the Overlook...

Date:
Mon, 09/22/2025
Time:
7:00 am - 11:00 am
Where:
Weir Canyon Nature Preserve
Difficulty Rating:
4
Distance:
9.5 miles
Minimum Age:
18
Registration:
11 of 20 Spaces Left
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