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, 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.

Monday, July 4, 2022

Agua Chinon Hike to The Sinks

Hiking & Fitness
Agua Chinon Hike to The Sinks

Come out and join us on a breathtaking hike from the Irvine Open Space Preserve into OC Parks’ Limestone Canyon. The hike begins in the Agua Chinon wash, continues to The Sinks, and may include a side trip to Box Springs, a natural year-round source of fresh water.

Maximum distance is just short of 7 miles, with some sustained climbing in one section. Participants must wear sturdy, closed-toe hiking shoes. Remember to pack plenty of water, sunscreen, a hat, and all other necessary equipment to keep you safe on the trail. This activity originates in the City of Irvine and travels into OC Parks’ Limestone Canyon Nature Preserve.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-4 activity on the land.

Please visit our FAQ page for answers to activity specific questions you may have prior to registering.

Agua Chinon Hike to The Sinks
Date:
Mon, 07/04/2022
Time:
8:00 AM - 11:30 AM
Where:
Irvine Open Space Preserve
Difficulty Rating:
4
Distance:
7 miles
Minimum Age:
16
Spaces Left:
Full
More Information  

Thursday, July 7, 2022

Thursday Morning Trek: Agua Chinon and The Sinks

Hiking & Fitness
Thursday Morning Trek: Agua Chinon and The Sinks

Come out and join us on a breathtaking hike from the Irvine Open Space Preserve into OC Parks’ Limestone Canyon. This week’s docent-led hike begins in the Agua Chinon wash, continues to The Sinks, and may include a side trip to Box Springs, a natural year-round source of fresh water.

Maximum distance is just short of 7 miles, with some sustained climbing in one section. Participants must wear sturdy, closed-toe hiking shoes. Remember to pack plenty of water, sunscreen, a hat, and all other necessary equipment to keep you safe on the trail. This activity originates in the City of Irvine and travels into OC Parks’ Limestone Canyon Nature Preserve.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-4 activity on the land.

Please visit our FAQ page for answers to activity specific questions you may have prior to registering.

Thursday Morning Trek: Agua Chinon and The Sinks
Date:
Thu, 07/07/2022
Time:
7:00 AM - 10:30 AM
Where:
Irvine Open Space Preserve
Difficulty Rating:
4
Distance:
7 miles
Minimum Age:
16
Spaces Left:
Full
More Information  

Evening Hike on Hicks Haul Road

Hiking & Fitness
Evening Hike on Hicks Haul Road

Enjoy an evening hike through stunning rock formations and fragrant native plants as you listen to the sounds of nature. This hike in the Irvine Open Space Preserve is done at an easy walking pace. This out-and-back program travels 3.5 miles round trip to scenic Loma Ridge and back down. Please bring a red-tinted flashlight as the return portion of the hike may be after sunset.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-2 activity on the land. Please visit our FAQ page for answers to activity specific questions you may have prior to registering.

Evening Hike on Hicks Haul Road
Date:
Thu, 07/07/2022
Time:
6:00 PM - 7:30 PM
Where:
Irvine Open Space Preserve
Difficulty Rating:
2
Distance:
3.5 miles
Minimum Age:
12
Spaces Left:
12 of 20
More Information  

Thursday, July 14, 2022

Evening Hike on Hicks Haul Road

Hiking & Fitness
Evening Hike on Hicks Haul Road

Enjoy an evening hike through stunning rock formations and fragrant native plants as you listen to the sounds of nature. This hike in the Irvine Open Space Preserve is done at an easy walking pace. This out-and-back program travels 3.5 miles round trip to scenic Loma Ridge and back down. Please bring a red-tinted flashlight as the return portion of the hike may be after sunset.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-2 activity on the land. Please visit our FAQ page for answers to activity specific questions you may have prior to registering.

Evening Hike on Hicks Haul Road
Date:
Thu, 07/14/2022
Time:
6:00 PM - 7:30 PM
Where:
Irvine Open Space Preserve
Difficulty Rating:
2
Distance:
3.5 miles
Minimum Age:
12
Spaces Left:
Registration for this event opens at 8:00am on 07/06/2022
More Information  

Thursday, July 21, 2022

Evening Hike on Hicks Haul Road

Hiking & Fitness
Evening Hike on Hicks Haul Road

Enjoy an evening hike through stunning rock formations and fragrant native plants as you listen to the sounds of nature. This hike in the Irvine Open Space Preserve is done at an easy walking pace. This out-and-back program travels 3.5 miles round trip to scenic Loma Ridge and back down. Please bring a red-tinted flashlight as the return portion of the hike may be after sunset.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-2 activity on the land. Please visit our FAQ page for answers to activity specific questions you may have prior to registering.

Evening Hike on Hicks Haul Road
Date:
Thu, 07/21/2022
Time:
6:00 PM - 7:30 PM
Where:
Irvine Open Space Preserve
Difficulty Rating:
2
Distance:
3.5 miles
Minimum Age:
12
Spaces Left:
Registration for this event opens at 8:00am on 07/13/2022
More Information  

Thursday, July 28, 2022

Evening Hike on Hicks Haul Road

Hiking & Fitness
Evening Hike on Hicks Haul Road

Enjoy an evening hike through stunning rock formations and fragrant native plants as you listen to the sounds of nature. This hike in the Irvine Open Space Preserve is done at an easy walking pace. This out-and-back program travels 3.5 miles round trip to scenic Loma Ridge and back down. Please bring a red-tinted flashlight as the return portion of the hike may be after sunset.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-2 activity on the land. Please visit our FAQ page for answers to activity specific questions you may have prior to registering.

Evening Hike on Hicks Haul Road
Date:
Thu, 07/28/2022
Time:
6:00 PM - 7:30 PM
Where:
Irvine Open Space Preserve
Difficulty Rating:
2
Distance:
3.5 miles
Minimum Age:
12
Spaces Left:
Registration for this event opens at 8:00am on 07/20/2022
More Information  

Sunday, July 31, 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. This activity originates in the City of Irvine and travels into OC Parks’ Irvine Ranch Open Space.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-3 activity on the land. Please visit our FAQ page for answers to activity specific questions you may have prior to registering.

Mountain Bike Clinic: Terrain Skills
Date:
Sun, 07/31/2022
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 07/23/2022
More Information  

Thursday, August 4, 2022

Evening Hike on Hicks Haul Road

Hiking & Fitness
Evening Hike on Hicks Haul Road

Enjoy an evening hike through stunning rock formations and fragrant native plants as you listen to the sounds of nature. This hike in the Irvine Open Space Preserve is done at an easy walking pace. This out-and-back program travels 3.5 miles round trip to scenic Loma Ridge and back down. Please bring a red-tinted flashlight as the return portion of the hike may be after sunset.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-2 activity on the land. Please visit our FAQ page for answers to activity specific questions you may have prior to registering.

Evening Hike on Hicks Haul Road
Date:
Thu, 08/04/2022
Time:
6:00 PM - 7:30 PM
Where:
Irvine Open Space Preserve
Difficulty Rating:
2
Distance:
3.5 miles
Minimum Age:
12
Spaces Left:
Registration for this event opens at 8:00am on 07/27/2022
More Information  

Thursday, August 11, 2022

Full Moon Hike on Hicks Haul Road

Hiking & Fitness
Full Moon Hike on Hicks Haul Road

Enjoy an evening hike through stunning rock formations and fragrant native plants as you listen to the sounds of nature in the Irvine Open Space Preserve. This hike is done at an easy walking pace. This out-and-back program travels 2.5 miles round trip to scenic Loma Ridge and back down.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-2 activity on the land. Please visit our FAQ page for answers to activity specific questions you may have prior to registering.

Full Moon Hike on Hicks Haul Road
Date:
Thu, 08/11/2022
Time:
8:00 PM - 10:00 PM
Where:
Irvine Open Space Preserve
Difficulty Rating:
2
Distance:
2.5 miles
Minimum Age:
12
Spaces Left:
Registration for this event opens at 8:00am on 08/03/2022
More Information  

Sunday, August 14, 2022

Agua Chinon Hike to The Sinks

Hiking & Fitness
Agua Chinon Hike to The Sinks

Come out and join us on a breathtaking hike from the Irvine Open Space Preserve into OC Parks’ Irvine Ranch Open Space. The hike begins in the Agua Chinon wash, continues to The Sinks, and may include a side trip to Box Springs, a natural year-round source of fresh water. Maximum distance is just short of 7 miles, with some sustained climbing in one section. Participants must wear sturdy, closed-toe hiking shoes. Remember to pack plenty of water, sunscreen, a hat, and all other necessary equipment to keep you safe on the trail. This activity originates in the City of Irvine and travels into OC Parks’ Limestone Canyon Nature Preserve.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-4 activity on the land. Please visit our FAQ page for answers to activity specific questions you may have prior to registering.

Agua Chinon Hike to The Sinks
Date:
Sun, 08/14/2022
Time:
8:00 AM - 11:30 AM
Where:
Irvine Open Space Preserve
Difficulty Rating:
4
Distance:
7 miles
Minimum Age:
16
Spaces Left:
Registration for this event opens at 8:00am on 08/06/2022
More Information  

Thursday, August 18, 2022

Thursday Morning Trek: Agua Chinon and The Sinks

Hiking & Fitness
Thursday Morning Trek: Agua Chinon and The Sinks

Come out and join us on a breathtaking hike from the Irvine Open Space Preserve into OC Parks’ Irvine Ranch Open Space. This week’s docent-led hike begins in the Agua Chinon wash, continues to The Sinks, and may include a side trip to Box Springs, a natural year-round source of fresh water. Maximum distance is just short of 7 miles, with some sustained climbing in one section. Participants must wear sturdy, closed-toe hiking shoes. Remember to pack plenty of water, sunscreen, a hat, and all other necessary equipment to keep you safe on the trail. This activity originates in the City of Irvine and travels into Limestone Canyon Nature Preserve.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-4 activity on the land. Please visit our FAQ page for answers to activity specific questions you may have prior to registering.

Thursday Morning Trek: Agua Chinon and The Sinks
Date:
Thu, 08/18/2022
Time:
7:00 AM - 10:30 AM
Where:
Irvine Open Space Preserve
Difficulty Rating:
4
Distance:
7 miles
Minimum Age:
16
Spaces Left:
Registration for this event opens at 8:00am on 08/10/2022
More Information  

Evening Hike on Hicks Haul Road

Hiking & Fitness
Evening Hike on Hicks Haul Road

Enjoy an evening hike through stunning rock formations and fragrant native plants as you listen to the sounds of nature. This hike in the Irvine Open Space Preserve is done at an easy walking pace. This out-and-back program travels 3.5 miles round trip to scenic Loma Ridge and back down. Please bring a red-tinted flashlight as the return portion of the hike may be after sunset.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-2 activity on the land. Please visit our FAQ page for answers to activity specific questions you may have prior to registering.

Evening Hike on Hicks Haul Road
Date:
Thu, 08/18/2022
Time:
6:00 PM - 7:30 PM
Where:
Irvine Open Space Preserve
Difficulty Rating:
2
Distance:
3.5 miles
Minimum Age:
12
Spaces Left:
Registration for this event opens at 8:00am on 08/10/2022
More Information  

Thursday, August 25, 2022

Evening Hike on Hicks Haul Road

Hiking & Fitness
Evening Hike on Hicks Haul Road

Enjoy an evening hike through stunning rock formations and fragrant native plants as you listen to the sounds of nature. This hike in the Irvine Open Space Preserve is done at an easy walking pace. This out-and-back program travels 3.5 miles round trip to scenic Loma Ridge and back down. Please bring a red-tinted flashlight as the return portion of the hike may be after sunset.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-2 activity on the land. Please visit our FAQ page for answers to activity specific questions you may have prior to registering.

Evening Hike on Hicks Haul Road
Date:
Thu, 08/25/2022
Time:
6:00 PM - 7:30 PM
Where:
Irvine Open Space Preserve
Difficulty Rating:
2
Distance:
3.5 miles
Minimum Age:
12
Spaces Left:
Registration for this event opens at 8:00am on 08/17/2022
More Information  

Sunday, August 28, 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. This activity originates in the City of Irvine and travels into OC Parks’ Irvine Ranch Open Space.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-3 activity on the land. Please visit our FAQ page for answers to activity specific questions you may have prior to registering.

Mountain Bike Clinic: Terrain Skills
Date:
Sun, 08/28/2022
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 08/20/2022
More Information  

Thursday, September 1, 2022

Evening Hike on Hicks Haul Road

Hiking & Fitness
Evening Hike on Hicks Haul Road

Enjoy an evening hike through stunning rock formations and fragrant native plants as you listen to the sounds of nature. This hike in the Irvine Open Space Preserve is done at an easy walking pace. This out-and-back program travels 3.5 miles round trip to scenic Loma Ridge and back down. Please bring a red-tinted flashlight as the return portion of the hike may be after sunset.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-2 activity on the land. Please visit our FAQ page for answers to activity specific questions you may have prior to registering.

Evening Hike on Hicks Haul Road
Date:
Thu, 09/01/2022
Time:
6:00 PM - 7:30 PM
Where:
Irvine Open Space Preserve
Difficulty Rating:
2
Distance:
3.5 miles
Minimum Age:
12
Spaces Left:
Registration for this event opens at 8:00am on 08/24/2022
More Information  

Thursday, September 8, 2022

Evening Hike on Hicks Haul Road

Hiking & Fitness
Evening Hike on Hicks Haul Road

Enjoy an evening hike through stunning rock formations and fragrant native plants as you listen to the sounds of nature. This hike in the Irvine Open Space Preserve is done at an easy walking pace. This out-and-back program travels 3.5 miles round trip to scenic Loma Ridge and back down. Please bring a red-tinted flashlight as the return portion of the hike may be after sunset.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-2 activity on the land. Please visit our FAQ page for answers to activity specific questions you may have prior to registering.

Evening Hike on Hicks Haul Road
Date:
Thu, 09/08/2022
Time:
6:00 PM - 7:30 PM
Where:
Irvine Open Space Preserve
Difficulty Rating:
2
Distance:
3.5 miles
Minimum Age:
12
Spaces Left:
Registration for this event opens at 8:00am on 08/31/2022
More Information  

Saturday, September 10, 2022

Full Moon Hike on Hicks Haul Road

Hiking & Fitness
Full Moon Hike on Hicks Haul Road

Enjoy an evening in the Irvine Open Space Preserve hiking through stunning rock formations and fragrant native plants as you listen to the sounds of nature. This hike is done at an easy walking pace. This out-and-back program travels 2.5 miles round trip to scenic Loma Ridge and back down.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-2 activity on the land. Please visit our FAQ page for answers to activity specific questions you may have prior to registering.

Full Moon Hike on Hicks Haul Road
Date:
Sat, 09/10/2022
Time:
7:30 PM - 9:30 PM
Where:
Irvine Open Space Preserve
Difficulty Rating:
2
Distance:
2.5 miles
Minimum Age:
12
Spaces Left:
Registration for this event opens at 8:00am on 09/02/2022
More Information  

Thursday, September 15, 2022

Evening Hike on Hicks Haul Road

Hiking & Fitness
Evening Hike on Hicks Haul Road

Enjoy an evening hike through stunning rock formations and fragrant native plants as you listen to the sounds of nature. This hike in the Irvine Open Space Preserve is done at an easy walking pace. This out-and-back program travels 3.5 miles round trip to scenic Loma Ridge and back down. Please bring a red-tinted flashlight as the return portion of the hike may be after sunset.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-2 activity on the land. Please visit our FAQ page for answers to activity specific questions you may have prior to registering.

Evening Hike on Hicks Haul Road
Date:
Thu, 09/15/2022
Time:
6:00 PM - 7:30 PM
Where:
Irvine Open Space Preserve
Difficulty Rating:
2
Distance:
3.5 miles
Minimum Age:
12
Spaces Left:
Registration for this event opens at 8:00am on 09/07/2022
More Information  

Thursday, September 22, 2022

Evening Hike on Hicks Haul Road

Hiking & Fitness
Evening Hike on Hicks Haul Road

Enjoy an evening hike through stunning rock formations and fragrant native plants as you listen to the sounds of nature. This hike in the Irvine Open Space Preserve is done at an easy walking pace. This out-and-back program travels 3.5 miles round trip to scenic Loma Ridge and back down. Please bring a red-tinted flashlight as the return portion of the hike may be after sunset.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-2 activity on the land. Please visit our FAQ page for answers to activity specific questions you may have prior to registering.

Evening Hike on Hicks Haul Road
Date:
Thu, 09/22/2022
Time:
6:00 PM - 7:30 PM
Where:
Irvine Open Space Preserve
Difficulty Rating:
2
Distance:
3.5 miles
Minimum Age:
12
Spaces Left:
Registration for this event opens at 8:00am on 09/14/2022
More Information  
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