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.

Sunday, May 22, 2022

Mountain Bike Clinic: Terrain Skills

Mountain Biking
Mountain Bike Clinic: Terrain Skills

If you are new to mountain biking and interested in getting started the right way, or if you just want to hone your existing skills developing terrain-influenced bike handling over several types of man-made features, this is the clinic for you!

The class begins with a brief overview of rider fundamentals starting with platform position and weight transfer then covering equipment basics & setup, braking, gearing and a brief bike maintenance Q&A session followed by a series of exercises demonstrating terrain-influenced bike handling over a variety of man-made features including log piles, rock step-ups, A-frames and many more. These riding techniques will be taught and practiced at the Mountain Bike Skills Development area.

Mountain Bike Clinic: Terrain Skills
Date:
Sun, 05/22/2022
Time:
7:30 AM - 11:30 AM
Where:
Irvine Open Space Preserve
Difficulty Rating:
3
Distance:
2.5 miles
Minimum Age:
16
Spaces Left:
Full
More Information  

CANCELLED: Afternoon Family Beginner Mountain Bike Ride: Limestone Canyon to The Sinks

Mountain Biking
CANCELLED: Afternoon Family Beginner Mountain Bike Ride: Limestone Canyon to The Sinks

For families and children ages 12 and up who would like to join IRC-certified volunteers on a longer slow-paced, family-oriented ride through sycamores, oaks, and habitat native to California. The route takes us to The Sinks, Orange County’s own “Grand Canyon.” Along the way, we will stop and talk about the local habitat, and hope to see some of our local native animals and raptors. The ride is an 8-9 miles with 400-800 feet of elevation gain that may require hike-a‐bike for some riders.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level 2-3 activity on the land. Motorized recreation vehicles of any class or type are not permitted for recreational use.

CANCELLED: Afternoon Family Beginner Mountain Bike Ride: Limestone Canyon to The Sinks
Date:
Sun, 05/22/2022
Time:
4:30 PM - 7:00 PM
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
3
Distance:
8 miles
Minimum Age:
12
Spaces Left:
15 of 15
More Information  

Sunday, June 5, 2022

Intermediate Mountain Bike Ride from Irvine to Limestone Canyon

Mountain Biking
Intermediate Mountain Bike Ride from Irvine to Limestone Canyon

We start our ride 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 enjoy increasingly beautiful views over Irvine. We then follow Loma Ridge to the East, with fantastic vistas of Orange County, the surrounding wildlands, and even Catalina Island on clear days. From Loma Ridge, we descend on a single track to the Box Spring which provides year-round water for wildlife like deer.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-4 activity on the land. Motorized recreation vehicles of any class or type are not permitted for recreational use.

Intermediate Mountain Bike Ride from Irvine to Limestone Canyon
Date:
Sun, 06/05/2022
Time:
7:30 AM - 11:00 AM
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
4
Distance:
16 miles
Minimum Age:
18
Spaces Left:
Registration for this event opens at 8:00am on 05/28/2022
More Information  

Saturday, June 11, 2022

FREEKS Ride: Clockwise

Mountain Biking
FREEKS Ride: Clockwise

Join us for a challenging docent-led mountain bike ride for very experienced off-road riders in excellent cardio shape. Climb challenging State Spur to Cathedral Rock, and then descend into Fremont Canyon while passing some of Orange County’s most spectacular geological formations. The ride continues out to Mini-Moab and then over to Sierra Peak, passing the Tecate Cypress forest, then past Sierra Peak, and over to the last descent down through historic Black Star Canyon.

Change for the June 11th route:
Due to a significant washout between Cathedral Rock and Lizard Rock the FREEKS ride will have to take a detour around the road closure that adds 4 miles and 300ft total elevation gain to the regular program. Please bring extra water and energy to be prepared for an additional hour of amazing views vs the regular route.

FREEKS Ride: Clockwise
Date:
Sat, 06/11/2022
Time:
7:00 AM - 1:00 PM
Where:
Fremont Canyon Nature Preserve
Difficulty Rating:
5
Distance:
25 miles
Minimum Age:
18
Spaces Left:
Registration for this event opens at 8:00am on 06/03/2022
More Information  

Sunday, June 19, 2022

Slow-paced Mountain Bike Ride – Limestone Canyon

Mountain Biking
Slow-paced Mountain Bike Ride - Limestone Canyon

Enjoy the relaxation of riding in the wilderness on empty trails and join us on this docent led mountain bike ride through Limestone Canyon. We will visit Dripping Springs which is a fern covered, year-round source of water for the local wildlife. The ride will also stop at the west viewing deck for the Sinks.

This is a slow-paced ride designed for the beginner that has experience riding fire roads such as Limestone Canyon or Telegraph Canyon, but wants to develop their climbing and riding abilities. The ride can also be enjoyed by more advanced riders looking for a relaxed ride in a beautiful setting.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-3 activity on the land. Motorized recreation vehicles of any class or type are not permitted for recreational use.

Slow-paced Mountain Bike Ride - Limestone Canyon
Date:
Sun, 06/19/2022
Time:
8:30 AM - 11:00 AM
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
3
Distance:
13 miles
Minimum Age:
14
Spaces Left:
Registration for this event opens at 8:00am on 06/11/2022
More Information  

Sunday, June 26, 2022

Mountain Bike Clinic: Terrain Skills

Mountain Biking
Mountain Bike Clinic: Terrain Skills

If you are new to mountain biking and interested in getting started the right way, or if you just want to hone your existing skills developing terrain-influenced bike handling over several types of man-made features, this is the clinic for you!

The class begins with a brief overview of rider fundamentals starting with platform position and weight transfer then covering equipment basics & setup, braking, gearing and a brief bike maintenance Q&A session followed by a series of exercises demonstrating terrain-influenced bike handling over a variety of man-made features including log piles, rock step-ups, A-frames and many more. These riding techniques will be taught and practiced at the Mountain Bike Skills Development area.

Mountain Bike Clinic: Terrain Skills
Date:
Sun, 06/26/2022
Time:
7:00 AM - 11:00 AM
Where:
Irvine Open Space Preserve
Difficulty Rating:
3
Distance:
2.5 miles
Minimum Age:
16
Spaces Left:
Registration for this event opens at 8:00am on 06/18/2022
More Information  

Afternoon Adult Beginner Mountain Bike Ride: Limestone Canyon to The Sinks

Mountain Biking
Afternoon Adult Beginner Mountain Bike Ride: Limestone Canyon to The Sinks

A slow-paced beginner mountain bike ride for adults in Limestone Canyon through sycamores, oaks, and habitat native to California. The route takes us to The Sinks, Orange County’s own mini “Grand Canyon.” Along the way, we will stop and talk about the local habitat, and hope to see some of our local native animals and raptors. For mountain bikers with a minimum of six months of trail experience who would like to join IRC-certified volunteers on an 8 – 9 mile ride with 400 – 800 feet of elevation gain.  This ride is for adult riders only. Allow up to 2.5 hours of riding time.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level 2- 3 activity on the land. Motorized recreation vehicles of any class or type are not permitted for recreational use.

Afternoon Adult Beginner Mountain Bike Ride: Limestone Canyon to The Sinks
Date:
Sun, 06/26/2022
Time:
4:00 PM - 6:30 PM
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
3
Distance:
8 miles
Minimum Age:
18
Spaces Left:
Registration for this event opens at 8:00am on 06/18/2022
More Information