Activities and Programs


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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, which closes at 4 p.m. on the day prior to the event.  No walk-up registrations will be permitted for these events. For policies of other organizations, please use the sign-up information provided. For mobility device policies click here.

    Note: Minors must be accompanied by a parent or guardian for these events. For programs requiring online registration, each adult and child must be registered.

Need help? For the fastest answers, look for organization-specific contact information in each event listing (click More Information for full listing). If no contact information is listed, email info@irconservancy.org for assistance.

Click here to learn more about IRC-Certified Volunteers.    •   Click here to learn more about the Difficulty Ratings.

Saturday, November 27, 2021

Bommer Canyon East Fork and Ridge Route Loop Hike

Hiking & Fitness
Bommer Canyon East Fork and Ridge Route Loop Hike

Experience the serenity of Bommer Canyon during this moderate-paced hike in the Irvine Open Space. 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 over 3 miles and includes 700 feet of total climbing elevation with several very steep inclines. The steepest section ascends 300 feet in a quarter-mile. Participants must be in good physical condition.

Bommer Canyon East Fork and Ridge Route Loop Hike
Date:
Sat, 11/27/2021
Time:
8:00 AM - 10:30 AM
Where:
Bommer Canyon
Difficulty Rating:
3
Distance:
3 miles
Minimum Age:
12
Spaces Left:
Registration has closed.
More Information  

Explore Weir Canyon: Animal Signs and Tracks

Interpretive
Explore Weir Canyon: Animal Signs and Tracks

Come join us as we hike 5 miles through the lovely Weir Canyon. Before our hike starts a brief introduction to animal tracks and scats will be given. Along our journey, we will be looking for any signs animals might have left behind for us to find. Tracks, scats, and other signs are out there waiting for us to find them!

Please come prepared with plenty (50 oz) of water, closed-toe shoes, and a sturdy hiking backpack.

Explore Weir Canyon: Animal Signs and Tracks
Date:
Sat, 11/27/2021
Time:
8:00 AM - 11:00 AM
Where:
Weir Canyon Nature Preserve
Difficulty Rating:
Variable
Distance:
5 miles
Minimum Age:
12
Spaces Left:
Registration has closed.
More Information  

Intermediate Hike: Black Star County Road and Silmod

Interpretive
Intermediate Hike: Black Star County Road and Silmod

Welcome back to the wonderful outdoors!

Get out there with OC Parks Resource Specialist Gray and other budding hikers on an intermediate hike at Black Star Canyon Road. This hike begins on Black Star Canyon County Trail before heading up into the surrounding hills including Silmod trail into Baker Canyon, where we’ll take in incredible views of Irvine Lake and the surrounding canyons. Total hike is approximately 3 miles. At hike completion, Gray will share his local knowledge of nearby intermediate-level trails to consider exploring on your next adventure. Please come prepared with sunscreen, plenty of water and closed-toe shoes.

Intermediate Hike: Black Star County Road and Silmod
Date:
Sat, 11/27/2021
Time:
8:00 AM - 10:00 AM
Where:
Black Star Canyon Wilderness Park
Difficulty Rating:
3
Distance:
3 miles
Minimum Age:
12
Spaces Left:
Registration has closed.
More Information  

Our Magnificent Oaks Interpretive Hike

Interpretive
Our Magnificent Oaks Interpretive Hike

Do the majestic oak trees found in our local wild lands fascinate you? Would you like to know more about them, their survival techniques and the relationships they have with the wildlife that resides here? Then come out on this hike in Weir Canyon where we will observe and learn about the wonderful oaks in our ecosystem. This will be a moderate hike and a highly interpretive activity. There will be several stops along our 7-mile round trip journey into the lower and upper portions of Weir Canyon, revered for its protected oak woodlands.

Please come prepared with a sturdy day pack, water, snacks, closed-toe hiking shoes or boots, first aid, and all other supplies to keep you safe and healthy on the trail. All participants must carry their own day pack and water (minimum of 64 oz. recommended) and be comfortable hiking an average moving pace of 3 miles per hour. The canyon may be cool during the return portion of the hike, dressing in layers is advised.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-3 activity on the land.

Our Magnificent Oaks Interpretive Hike
Date:
Sat, 11/27/2021
Time:
1:00 PM - 5:00 PM
Where:
Weir Canyon Nature Preserve
Difficulty Rating:
3
Distance:
7 miles
Minimum Age:
14
Spaces Left:
Registration has closed.
More Information  

Sunday, November 28, 2021

Intermediate Mountain Bike Ride Fremont Loop

Mountain Biking
Intermediate Mountain Bike Ride Fremont Loop

Highly experienced mountain bikers can explore one of the most rugged and remote areas of the Irvine Ranch Natural Landmarks from the trails of Fremont Canyon Nature Preserve on this moderately paced intermediate ride.  Fremont Canyon remains one of the most wild places in Orange County, with a diversity of rare plants and animals, and this ride includes natural trail hazards such as sand, tree roots, ruts, and exposed rocks.  PLEASE NOTE: there are multiple very steep climbs, with an approximate elevation gain of 3,500 feet over 19 miles.  This hard ride is for expert adult-only riders in excellent physical condition who will be rewarded with the remote wonders of Fremont Canyon.

Please review the Difficulty Ratings to help you evaluate your readiness to participate in this level-5 activity on the land. Motorized recreation vehicles of any class or type are not permitted for recreational use.

Intermediate Mountain Bike Ride Fremont Loop
Date:
Sun, 11/28/2021
Time:
7:30 AM - 12:00 PM
Where:
Fremont Canyon Nature Preserve
Difficulty Rating:
5
Distance:
19 miles
Minimum Age:
18
Spaces Left:
Registration has closed.
More Information  

Local History Equestrian Ride in Weir Canyon

Equestrian
Local History Equestrian Ride in Weir Canyon

Join us on the Landmarks for an equestrian trail ride through the northwestern historic section of the old Irvine Ranch; now part of the Irvine Ranch Open Space known as the Weir Canyon Preserve, featuring the old oxen trail from San Juan Capistrano. Discover Robber’s Roost and the thick grasslands under some of the oldest live oaks on the historic Ranch. Places where Juan Flores and his gang rumored to hideout and look for his enemies traveling the route by wagon or horseback. Red-tailed hawks, bobcats and mule deer call this canyon home and are sure to greet us along our adventure.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-3 activity on the land.

Local History Equestrian Ride in Weir Canyon
Date:
Sun, 11/28/2021
Time:
8:00 AM - 12:00 PM
Where:
Weir Canyon Nature Preserve
Difficulty Rating:
3
Distance:
9.5 miles
Minimum Age:
18
Spaces Left:
Registration has closed.
More Information  

Crafty Kids Sunday

Interpretive
Interpretive

Come join us for a fun themed craft project anytime between 10 a.m. and 2 p.m.!

Crafty Kids Sunday features FREE craft activities in the Muth Interpretive Center’s Discovery Classroom.

All ages are welcome, recommended for ages 2 to 10 years old. No registration is required. Children must be accompanied by an adult.

CDC guidelines to prevent the spread of COVID-19 will be observed.

Crafty Kids Sunday
Date:
Sun, 11/28/2021
Time:
10:00 AM - 2:00 PM
Where:
Upper Newport Bay
Difficulty Rating:
1
Minimum Age:
All Ages
Family Friendly:
Yes
More Information  

Family Walk at the Bay

Interpretive
Interpretive

Join us for an easy, stroller friendly walk along Upper Newport Bay to enjoy all the sights, sounds, and smells of fall. We will stay on the paved Bayview Trail and pause frequently to observe birds, wildflowers, and any other wildlife that happens to be present.

Minors aged 16 and younger must have legal guardian present at all times.

Current CDC guidelines to prevent the spread of COVID-19 will be observed.

Rain will cancel the event.

Walk in’s welcome, but space is limited, so advance registration is suggested.

For more information call (949) 923-2277 or email nathan.taxel@ocparks.com

Family Walk at the Bay
Date:
Sun, 11/28/2021
Time:
10:00 AM - 11:30 AM
Where:
Upper Newport Bay
Difficulty Rating:
1
Minimum Age:
All Ages
Family Friendly:
Yes
Spaces Left:
Registration has closed.
More Information  

Bommer Canyon East Fork and Ridge Route Loop Hike

Hiking & Fitness
Bommer Canyon East Fork and Ridge Route Loop Hike

Experience the serenity of Bommer Canyon during this moderate-paced hike in the Irvine Open Space. 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 over 3 miles and includes 700 feet of total climbing elevation with several very steep inclines. The steepest section ascends 300 feet in a quarter-mile. Participants must be in good physical condition.

Bommer Canyon East Fork and Ridge Route Loop Hike
Date:
Sun, 11/28/2021
Time:
3:00 PM - 5:30 PM
Where:
Bommer Canyon
Difficulty Rating:
3
Distance:
3 miles
Minimum Age:
12
Spaces Left:
Registration has closed.
More Information  

Monday, November 29, 2021

Santiago Oaks Trail Work Day

Trail Work
Trail Work

Lend a helping hand at maintaining the trails at Santiago Oaks Regional Park.

Partner with an OC Parks Volunteer as they guide you through the proper tool use to repair highly used and heavily washed out trails. Tools and safety talk are provided by Volunteers and/or Staff. Bring gloves and water if you have them. Sun protection is important and be ready to work up a sweat as we mend our trails for all to enjoy!

For questions, please contact Resource Specialist Kelley at Kelley.Brugmann@ocparks.com

Santiago Oaks Trail Work Day
Date:
Mon, 11/29/2021
Time:
7:30 AM - 10:30 AM
Where:
Santiago Oaks Regional Park
Difficulty Rating:
Variable
Minimum Age:
16
Spaces Left:
Registration has closed.
More Information  

After Work Fitness Hike on Paved Hicks Haul Road

Hiking & Fitness
After Work Fitness Hike on Paved Hicks Haul Road

Join us every Monday night 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 County.

This hike travels about 3.5 miles, up to the top of Loma Ridge and back down. The hike is conducted at about 3-3.5 miles per hour, but you may travel a bit faster or slower, at a walk, run, or jog depending on your comfort level. Most participants finish the route in about 1 hour. Because of the paved surface of the road, you may wear regular running or walking shoes. Trail shoes are fine, but not required. Please bring adequate water!

After Work Fitness Hike on Paved Hicks Haul Road
Date:
Mon, 11/29/2021
Time:
6:00 PM - 7:30 PM
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
Variable
Distance:
3.5 miles
Minimum Age:
16
Spaces Left:
Registration has closed.
More Information  

Tuesday, November 30, 2021

Early Morning Fitness Hike on Hicks Haul Road: 6-miles

Hiking & Fitness
Early Morning Fitness Hike on Hicks Haul Road: 6-miles

Join us for an exhilarating morning fitness hike on the paved Hicks Haul Road. This hike is a 6-mile route as a group – which is conducted at the speed of about 3.0 to 3.5 miles per hour.

The group may spread out for social distance reasons but generally will remain together for the entire hike.

The footing on the asphalt paved road is smoother than dirt roads and single-track trails normally found in Limestone Preserve but is beginning to show its age with cracks, crevices, and an occasional dip. Otherwise, the terrain is smooth, so this is a great hike for anyone who wants a “wilderness experience” without getting dirty! We will have two fairly steep hill ascents and descents. Along the way, you will have sweeping views of much of Orange County and the Santa Ana Mountains. Various animals, like hawks, deer, and lizards are also frequently seen in this area.

Early Morning Fitness Hike on Hicks Haul Road: 6-miles
Date:
Tue, 11/30/2021
Time:
8:30 AM - 10:45 AM
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
4
Distance:
6 miles
Minimum Age:
16
Family Friendly:
Yes
Spaces Left:
Registration has closed.
More Information  
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