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.
Search & Filter Activities
Sunday, July 28, 2024
Bommer Canyon East Fork and Ridge Route Loop Hike
![Hiking & Fitness](https://irlandmarks.wpenginepowered.com/wp-content/uploads/2015/08/activity-icon-hiking-fitness.png)
Experience the serenity of Bommer Canyon during this moderate-paced hike in the Irvine Open Space Preserve. 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.
Wednesday, July 31, 2024
Butterfly Series: Monarch Butterfly Stewardship in Bommer Canyon
![Stewardship](https://irlandmarks.wpenginepowered.com/wp-content/uploads/2015/08/activity-icon-stewardship.png)
Please join IRC staff water milkweed and nectar plants for the Monarch butterfly in Bommer Canyon. With your help we will create islands of Milkweed and nectar plants that will help support the seasonal migration of Monach butterflies. We may be using shovels and small handheld tools. No experience necessary.
Summer Evening Yoga Hike at Bommer Cattle Camp
![Hiking & Fitness](https://irlandmarks.wpenginepowered.com/wp-content/uploads/2015/08/activity-icon-hiking-fitness.png)
Join us at Bommer Canyon after a busy day to relax, enjoy and connect with nature. We will start with an easy two-mile hike through the nature loop and meadow before experiencing a relaxing yoga practice at the Cattle Camp’s outdoor stage. The event is highlighted with beautiful views of the canyon and the yoga is suitable for those with little or no experience, slower in pace and gentle in practice. Our focus on breath calms the nervous system and has a positive effect on mental, emotional and physical health. Please bring water, a yoga mat plus a large beach towel and wear shoes appropriate for hiking.
Sunday, August 11, 2024
Advanced Distance Hike: Bommer Canyon
![Hiking & Fitness](https://irlandmarks.wpenginepowered.com/wp-content/uploads/2015/08/activity-icon-hiking-fitness.png)
The title says it all. This is your chance to venture deep in the Irvine Open Space Preserve. Join us for a challenging and beautiful adventure. Hiking distance is up to 14 miles and is designed for advanced hikers. Participants must be physically fit and have distance hiking experience. Singletrack trails, steep climbs and descents are numerous on this route, with over 2,400 feet of accumulated climbing elevation. Most months, the route stays in the Irvine Open Space Preserve for its entirety, but will occasionally feature hiking to the sea and back: beginning in Bommer, the hike will head into Crystal Cove State Park, then pass through Laguna Coast Wilderness Park before returning to the Irvine preserve.
Bommer Canyon East Fork and Ridge Route Loop Hike
![Hiking & Fitness](https://irlandmarks.wpenginepowered.com/wp-content/uploads/2015/08/activity-icon-hiking-fitness.png)
Experience the serenity of Bommer Canyon during this moderate-paced hike in the Irvine Open Space Preserve. 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.
Saturday, August 17, 2024
Wilderness Access Day: Bommer Canyon
![Special Events](https://irlandmarks.wpenginepowered.com/wp-content/uploads/2015/08/activity-icon-special-events.png)
Enjoy self-guided access in the southern portion of Irvine’s Open Space Preserve. The entire southern Open Space Preserve trail network will be open for self-guided hiking and biking from 8 am to 2 pm. This includes the single-tracks in Shady Canyon and Bommer Canyon that are reserved for guided activities only. Registration is not required for this event, though it is shown on the website. If you need driving directions, please use the online registration to receive a map and instructions for getting to Bommer. The Bommer Canyon Cattle Camp will be available for parking, but please take note that your vehicle must be removed from the Cattle Camp area by 2 pm.
Sunday, August 18, 2024
Bommer Canyon Preserve Almost Full Moon Hike
![Hiking & Fitness](https://irlandmarks.wpenginepowered.com/wp-content/uploads/2015/08/activity-icon-hiking-fitness.png)
Experience the serenity of Bommer Canyon Preserve under an almost full moon during this moderate-paced hike in the Irvine Open Space Preserve. We’ll experience mature coastal sage scrub and fantastic sunset 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.
Sunday, August 25, 2024
Beginner Hike in Bommer Meadow
![Hiking & Fitness](https://irlandmarks.wpenginepowered.com/wp-content/uploads/2015/08/activity-icon-hiking-fitness.png)
Experience the early morning serenity of Bommer Meadow during this slow-paced 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.
Thursday, August 29, 2024
Butterfly Series: Monarch Butterfly Stewardship in Bommer Canyon
![Stewardship](https://irlandmarks.wpenginepowered.com/wp-content/uploads/2015/08/activity-icon-stewardship.png)
Please join IRC staff water milkweed and nectar plants for the Monarch butterfly in Bommer Canyon. With your help we will create islands of Milkweed and nectar plants that will help support the seasonal migration of Monach butterflies. We may be using shovels and small handheld tools. No experience necessary.
Friday, August 30, 2024
Summer Morning Yoga Hike at Bommer Cattle Camp
![Hiking & Fitness](https://irlandmarks.wpenginepowered.com/wp-content/uploads/2015/08/activity-icon-hiking-fitness.png)
Join us at Bommer Canyon for an easy two-mile hike through the nature loop and meadow before experiencing a gentle yoga practice at the Cattle Camp. This historic old west setting connects us with the history of The Irvine Ranch and the barn’s outdoor stage is perfect for yoga. The hike is highlighted with beautiful views of the canyon and the yoga is suitable for those with little or no experience, slower in pace and gentle in practice. Our focus on breath calms the nervous system and has a positive effect on mental, emotional and physical health. Please bring water, a yoga mat plus a large beach towel and wear shoes appropriate for hiking.
Wednesday, September 4, 2024
Learn to Identify Birds by their Vocalizations in Bommer Canyon
![Interpretive](https://irlandmarks.wpenginepowered.com/wp-content/uploads/2015/08/activity-icon-interpretive.png)
The Open spaces are home to a wide variety of birds. Their songs and calls fill the air and enhance our experience in nature. Come and learn how to identify birds by their vocalization. We will have a short orientation to listening for pitch, tone, and pattern of bird sounds, then we will take a short walk and practice. No experience is necessary. Bring your binoculars, wear comfortable shoes, and enjoy listening and looking for our feathered friends.
Thursday, September 5, 2024
Thursday Morning Trek: Bommer Canyon
![Hiking & Fitness](https://irlandmarks.wpenginepowered.com/wp-content/uploads/2015/08/activity-icon-hiking-fitness.png)
This week in the Irvine Open Space Preserve, we’ll be in Bommer Canyon, once part of the historic Irvine cattle ranch where corrals and ranch equipment still stand. The hike is a seven-mile loop with some climbing but rewards you with fantastic views overlooking the ocean and many Irvine locales. Please bring water, a trail snack, sunscreen, a hat, and any other necessary equipment to keep you safe on the trail. Get your boots out and register to hike the loop through the Laguna Coast Wilderness and back to Cattle Camp.
Friday, September 6, 2024
Summer Morning Yoga Hike at Bommer Cattle Camp
![Hiking & Fitness](https://irlandmarks.wpenginepowered.com/wp-content/uploads/2015/08/activity-icon-hiking-fitness.png)
Join us at Bommer Canyon for an easy two-mile hike through the nature loop and meadow before experiencing a gentle yoga practice at the Cattle Camp. This historic old west setting connects us with the history of The Irvine Ranch and the barn’s outdoor stage is perfect for yoga. The hike is highlighted with beautiful views of the canyon and the yoga is suitable for those with little or no experience, slower in pace and gentle in practice. Our focus on breath calms the nervous system and has a positive effect on mental, emotional and physical health. Please bring water, a yoga mat plus a large beach towel and wear shoes appropriate for hiking.
Sunday, September 8, 2024
Advanced Distance Hike: Bommer Canyon
![Hiking & Fitness](https://irlandmarks.wpenginepowered.com/wp-content/uploads/2015/08/activity-icon-hiking-fitness.png)
The title says it all. This is your chance to venture deep in the Irvine Open Space Preserve. Join us for a challenging and beautiful adventure. Hiking distance is up to 14 miles and is designed for advanced hikers. Participants must be physically fit and have distance hiking experience. Singletrack trails, steep climbs and descents are numerous on this route, with over 2,400 feet of accumulated climbing elevation. Most months, the route stays in the Irvine Open Space Preserve for its entirety, but will occasionally feature hiking to the sea and back: beginning in Bommer, the hike will head into Crystal Cove State Park, then pass through Laguna Coast Wilderness Park before returning to the Irvine preserve.
Bommer Canyon East Fork and Ridge Route Loop Hike
![Hiking & Fitness](https://irlandmarks.wpenginepowered.com/wp-content/uploads/2015/08/activity-icon-hiking-fitness.png)
Experience the serenity of Bommer Canyon during this moderate-paced hike in the Irvine Open Space Preserve. 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.
Tuesday, September 17, 2024
Plants Among Us: Learning About Plants at Bommer Canyon Preserve
![Interpretive](https://irlandmarks.wpenginepowered.com/wp-content/uploads/2015/08/activity-icon-interpretive.png)
Curious to learn about the plants among us, who’s sus and who’s not? Join us for a hike at the Bommer Canyon Preserve, part of City of Irvine’s Irvine Ranch Open Space, where we’ll look at local flora, talk about native and non-native species, and learn how different plants impact our ecosystems. Learning to identify plants, both native and non-native, is a great way to cultivate a relationship to our local wildlands.
This hike will either take us up Ridge Route or East Fork trail, not the entire loop. This activity is geared towards participants who are curious about our local plants and ecosystem. Please bring water and all items needed to keep you safe during our walk. Hats and sunscreen are highly recommended.
Bommer Canyon Preserve Full Moon Hike
![Hiking & Fitness](https://irlandmarks.wpenginepowered.com/wp-content/uploads/2015/08/activity-icon-hiking-fitness.png)
Experience the serenity of Bommer Canyon Preserve under a full moon during this moderate-paced hike in the Irvine Open Space Preserve. We’ll experience mature coastal sage scrub and fantastic sunset 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.
Friday, September 20, 2024
Summer Morning Yoga Hike at Bommer Cattle Camp
![Hiking & Fitness](https://irlandmarks.wpenginepowered.com/wp-content/uploads/2015/08/activity-icon-hiking-fitness.png)
Join us at Bommer Canyon for an easy two-mile hike through the nature loop and meadow before experiencing a gentle yoga practice at the Cattle Camp. This historic old west setting connects us with the history of The Irvine Ranch and the barn’s outdoor stage is perfect for yoga. The hike is highlighted with beautiful views of the canyon and the yoga is suitable for those with little or no experience, slower in pace and gentle in practice. Our focus on breath calms the nervous system and has a positive effect on mental, emotional and physical health. Please bring water, a yoga mat plus a large beach towel and wear shoes appropriate for hiking.
Saturday, September 21, 2024
Wilderness Access Day: Bommer Canyon
![Special Events](https://irlandmarks.wpenginepowered.com/wp-content/uploads/2015/08/activity-icon-special-events.png)
Enjoy self-guided access in the southern portion of Irvine’s Open Space Preserve. The entire southern Open Space Preserve trail network will be open for self-guided hiking and biking from 8 am to 2 pm. This includes the single-tracks in Shady Canyon and Bommer Canyon that are reserved for guided activities only. Registration is not required for this event, though it is shown on the website. If you need driving directions, please use the online registration to receive a map and instructions for getting to Bommer. The Bommer Canyon Cattle Camp will be available for parking, but please take note that your vehicle must be removed from the Cattle Camp area by 2 pm.
Sunday, September 22, 2024
Bommer Canyon East Fork and Ridge Route Loop Hike
![Hiking & Fitness](https://irlandmarks.wpenginepowered.com/wp-content/uploads/2015/08/activity-icon-hiking-fitness.png)
Experience the serenity of Bommer Canyon during this moderate-paced hike in the Irvine Open Space Preserve. 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.