Leave the weekday chaos behind and dive into the peaceful beauty of OC Parks’ Limestone Canyon with our energizing after-work cardio hike. Forget about the day’s worries as we trek through stunning landscapes, breathing in the fresh air and taking in the scenic views. Come along for a journey through winding paths and picturesque vistas, where we can recharge and refresh ourselves in the tranquility of nature.

Please come prepared with a sturdy day pack, water, snacks, closed-toe hiking shoes or boots, sunscreen, 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 and be comfortable hiking an average moving pace of 3.5 miles per hour. Please make sure you bring a minimum of 32 oz. of water and trail snacks. Under-prepared participants may be denied access to this program.

Please note that you will be asked to adhere to the following measures in order to participate:

• Be registered in advance, no walk-up registration is permitted.
• Arrive with all necessary equipment to keep you safe on the trail, including water, proper attire, and closed-toe footwear, first aid, health needs etc.
• Restrooms will be available, but facilities will not be sanitized for each individual.
• All participants are required to sign a liability waiver upon arrival at the staging area and before beginning the activity. The waiver can be previewed here: IRC Liability Waiver
• You may be prevented from participating if you do not adhere to the above protocols.

Additionally, in an effort to respect and protect all employees, volunteers, and participants, please do not sign up or attend if you are not feeling well, exhibiting any symptoms of illness or have been in recent contact with someone who was ill.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-4 activity on the land. To learn more about the staging areas and activity locations, please visit our Staging Areas Playlist page.

Learn more and register here.

Join us as we explore Weir Canyon. We will hike up over Rifle Range and continue to the Overlook Trail where we will be rewarded with sweeping views of the Irvine Ranch Natural Landmarks and more distant views of the Palos Verdes Peninsula, Los Angeles Basin, and Cleveland National Forest. We will return through a beautiful oak woodland. Please wear hiking shoes/boots and bring water, a trail snack, sunscreen, hat, and any other necessary equipment to keep you safe on the trail. Each hiker must carry their own water and supplies. A red-tinted flashlight or headlamp is recommended. Participants must be able to hike 9+ miles with an accumulated elevation gain of 1800 feet at an average moving rate of 3 miles per hour.

Please note that you will be asked to adhere to the following measures in order to participate:

• Be registered in advance, no walk-up registration is permitted.
• Arrive with all necessary equipment to keep you safe on the trail, including water, proper attire, and closed-toe footwear, first aid, health needs etc.
• Restrooms will be available, but facilities will not be sanitized for each individual.
• All participants are required to sign a liability waiver upon arrival at the staging area and before beginning the activity. The waiver can be previewed here: IRC Liability Waiver
• You may be prevented from participating if you do not adhere to the above protocols.

Additionally, in an effort to respect and protect all employees, volunteers, and participants, please do not sign up or attend if you are not feeling well, exhibiting any symptoms of illness or have been in recent contact with someone who was ill.

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.

Learn more and register here.

Come along with us on this scenic distance hike across Loma Ridge into the newly opened Red Rock Wilderness, part of OC Parks’ Irvine Ranch Open Space.  This hike involves numerous ups and downs on groomed and maintained trails and is done at a moderate moving pace of around 3 mph. As we pass across the top of the Red Rocks, the panoramic view of the surrounding area is nothing short of spectacular.

Please come prepared with a sturdy day pack, water, snacks, closed-toed hiking shoes or boots, sunscreen, and all other supplies to keep you safe and healthy on the trail.  All participants must carry their own pack and water. Please make sure you bring around 100 oz. (3 quarts of water).  Under-prepared participants may be denied access to this activity.

Please note that you will be asked to adhere to the following measures in order to participate:

• Be registered in advance, no walk-up registration is permitted.
• Arrive with all necessary equipment to keep you safe on the trail, including water, proper attire, and closed-toe footwear, first aid, health needs etc.
• Restrooms will be available, but facilities will not be sanitized for each individual.
• All participants are required to sign a liability waiver upon arrival at the staging area and before beginning the activity. The waiver can be previewed here: IRC Liability Waiver
• You may be prevented from participating if you do not adhere to the above protocols.

Additionally, in an effort to respect and protect all employees, volunteers, and participants, please do not sign up or attend if you are not feeling well, exhibiting any symptoms of illness or have been in recent contact with someone who was ill.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-5 activity on the land. To learn more about the staging areas and activity locations, please visit our Staging Areas Playlist page.

Learn more and register here.

Join OC Parks and OC Historical Commission for Summer Citrus Festival at George Key Ranch Historic Park! Tucked away in the city of Placentia, Key Ranch offers an authentic glimpse into Orange County's agricultural past. The grounds include the historic home and museum, Verse Garden, orange grove and more. 

Activities and performances include: 

• Hands-on craft activities for kids
• Local educational partners and exhibitors
• Live music performances by The Orange Town Revival 
• Demonstrations by the Master Food Preservers of OC
• Docent led tours of the Key Ranch home

Event and parking are free, but reservations are required due to limited parking on-site. Click here to register for the 12 to 2 p.m. time slot. 

Event parking is located at Sierra Vista Elementary School, 1811 N. Placentia Ave.

Join OC Parks and OC Historical Commission for Summer Citrus Festival at George Key Ranch Historic Park! Tucked away in the city of Placentia, Key Ranch offers an authentic glimpse into Orange County's agricultural past. The grounds include the historic home and museum, Verse Garden, orange grove and more. 

Activities and performances include: 

• Hands-on craft activities for kids
• Local educational partners and exhibitors
• Live music performances by The Orange Town Revival 
• Demonstrations by the Master Food Preservers of OC
• Docent led tours of the Key Ranch home

Event and parking are free, but reservations are required due to limited parking on-site. Click here to register for the 10 a.m. to 12 p.m. time slot. 

Event parking is located at Sierra Vista Elementary School, 1811 N. Placentia Ave.

Wish you could spend some time in a cool, green forest? 

Join an OC Parks volunteer naturalist to learn why leaves fall and other fun woodland facts at O’Neill Regional Park. This program is designed to provide access to nature for children with disabilities, especially those with mobility challenges. Activities are geared for ages 3-7 and families are welcome to join! 

Take a walk on a level trail through the shady Oak Grove Day-Use Area while participating in a nature scavenger hunt. If time allows, we will venture a short distance on the Arroyo Trabuco Trail, then return to the amphitheater. The total distance for the walk is less than 1 mile. At the amphitheater, children will join in a themed craft, which will provide a sensory experience for each participant. Parents must accompany their children and provide assistance as needed. Volunteers are available during the program, should you have questions or concerns. 

We will meet at the amphitheater next to the Oak Grove parking lot at O’Neill Regional Park. Once you register for the program, directions will be included in your confirmation email. O'Neill Regional Park is located at 30892 Trabuco Canyon Road, Trabuco Canyon, CA 92678. Participants are recommended to wear proper attire including closed-toe shoes, sun protection, water and snacks. Restrooms are available nearby. 

This program is free and parking is $5 per vehicle. 

Advance registration required. Learn more and register here. 

For questions, please contact O'Neill Regional Park at (949) 923-2260 or email oneillpark@ocparks.com. 

Adverse weather conditions may cancel the program.

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 level.  This out-and-back program travels 3.5 miles round trip up to scenic Loma Ridge and back down. Please bring a red-tinted flashlight as the return portion of the hike may be after sunset.

Please note that you will be asked to adhere to the following measures in order to participate:

• Be registered in advance, no walk-up registration is permitted.
• Arrive with all necessary equipment to keep you safe on the trail, including water, proper attire, and closed-toe footwear, first aid, health needs etc.
• Restrooms will be available, but facilities will not be sanitized for each individual.
• All participants are required to sign a liability waiver upon arrival at the staging area and before beginning the activity. The waiver can be previewed here: IRC Liability Waiver
• You may be prevented from participating if you do not adhere to the above protocols.

Additionally, in an effort to respect and protect all employees, volunteers, and participants, please do not sign up or attend if you are not feeling well, exhibiting any symptoms of illness or have been in recent contact with someone who was ill.

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. To learn more about the staging areas and activity locations, please visit our Staging Areas Playlist page.

Learn more and register here.

Looking for a way to give back to nature this Spring? Come help us behind the scenes at the Irvine Ranch Conservancy’s one-of-a-kind Native Seed Farm! In this evening activity, attendees will learn about one to two (1-2) target species before assisting staff in weeding efforts around our native plant crops. Working with us at the Native Seed Farm is a great way to grow your community and cultivate knowledge about local plant and wildlife! Absolutely no experience or special equipment required!

Come help us heal the wildlands within the Landmarks! When you sign up, check the confirmation email to see tips on how to be prepared for your time with us.

Please note that you will be asked to adhere to the following measures in order to participate:

• Be registered in advance, no walk-up registration is permitted.
• Arrive with all necessary equipment to keep you safe, including water, snacks, sun protection, long pants, closed-toe footwear, first aid, health needs etc.
• Restrooms will be available, but facilities will not be sanitized for each individual.
• All participants are required to sign a liability waiver upon arrival at the staging area and before beginning the activity. The waiver can be previewed here: IRC Liability Waiver
• Please note our Minors Policy for all public activities: All minors (under 18 years of age) must be accompanied by their respective parent or legal guardian. Both parent and their accompanying minor(s) must be registered for the Irvine Ranch Conservancy led activity they wish to attend.

Note: Activity leaders may turn away participants who are under-prepared and wearing improper attire for work at the Native Seed Farm. This is for your own safety and to ensure an enjoyable experience for everyone who attends.

Additionally, in an effort to respect and protect all employees, volunteers, and participants, please do not sign up or attend if you are not feeling well, exhibiting any symptoms of illness or have been in recent contact with someone who was ill.

Reviewing the 1-5 Difficulty Ratings will help you evaluate your readiness to participate in this Level 3 activity. Activities may include bending, stooping, crouching, squatting, long periods of standing, reaching, pulling, grabbing, and pushing.

Learn more and register here.

Spend the morning in a beautiful oak woodland watering Coast Live Oak seedlings and native plants in Weir Canyon. To get to the planting site we will travel for 15 minutes in a safari style truck giving you majestic views of Weir Canyon. We may be using shovels and small handheld tools. No experience necessary.

Please note that you will be asked to adhere to the following measures in order to participate:

• Be registered in advance, no walk-up registration is permitted.
• Arrive with all necessary equipment to keep you safe on the trail, including water, proper attire, and closed-toe footwear, first aid, health needs etc.
• Restrooms will be available, but facilities will not be sanitized for each individual.
• All participants are required to sign a liability waiver upon arrival at the staging area and before beginning the activity. The waiver can be previewed here: IRC Liability Waiver
• You may be prevented from participating if you do not adhere to the above protocols.

Additionally, in an effort to respect and protect all employees, volunteers, and participants, please do not sign up or attend if you are not feeling well, exhibiting any symptoms of illness or have been in recent contact with someone who was ill.

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.

Learn more and register here.

Embark on a leisurely beginner’s hike among the easy rolling hills of Red Rock Wilderness, nestled within OC Parks’ Irvine Ranch Open Space. Traverse the rugged terrain on former ranch roads, surrounded by the woodlands, grand oak trees and the vast stretches of Coastal Sage Scrub. We’ll use small trails to ascend to the top of Red Rock Ridge for grand views. Total round-trip distance is 3.5 miles with an elevation gain of 500 feet at an average moving rate of 2.0-2.5 miles per hour. Please come prepared with a backpack, plenty of water, snacks, sturdy closed-toe hiking shoes or boots, sunscreen, first aid kit, and all other supplies to keep you safe and healthy on the trail. Each hiker must carry their own water and supplies.

Please note that you will be asked to adhere to the following measures in order to participate:

• Be registered in advance, no walk-up registration is permitted.
• Arrive with all necessary equipment to keep you safe on the trail, including water, proper attire, and closed-toe footwear, first aid, health needs etc.
• Restrooms will be available, but facilities will not be sanitized for each individual. Occasionally, restrooms are not available, please plan accordingly.
• All participants are required to sign a liability waiver upon arrival at the staging area and before beginning the activity. The waiver can be previewed here: IRC Liability Waiver
• You may be prevented from participating if you do not adhere to the above protocols.

Additionally, in an effort to respect and protect all employees, volunteers, and participants, please do not sign up or attend if you are not feeling well, exhibiting any symptoms of illness or have been in recent contact with someone who was ill.

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. To learn more about the staging areas and activity locations, please visit our Staging Areas Playlist page.

Learn more and register here.