Spending time outside is one of the best ways to nurture curiosity and instill a love of the natural world. Bring your young ones and join OC Parks staff to learn all about the Newport Back Bay.

Our Toddler Treks program is offered every Friday from 10:00-11:00am and includes a story time, an age-appropriate hike, and a themed craft. Each week will focus on a different topic that encourages young ones to learn about the outdoors.

The program begins at the Peter and Mary Muth Interpretive Center. Program content is tailored for the preschool level (ages 2-5), but all are welcome to attend. Please wear comfortable attire and closed-toe shoes.

Advance registration is required.

Adverse weather conditions may move the program indoors or cancel it.

Black Star Canyon, part of OC Parks’ Irvine Ranch Open Space, offers pleasant introductory trails for beginner hikers and families as well as challenging experiences for seasoned trail users. Designated trails are available for self-guided hiking, biking and equestrian use. A variety of trail loops offer extended exploration throughout the canyons. Take time to explore the local plant communities and beautiful scenery in easy 30-minute walks or take in 7+ miles in a strong cardio trek.

Pre-registration is not required for this event, though it is available on the website. If you need driving directions, use the online registration to receive a map and instructions for getting to the Baker Canyon Staging Area. Parking is limited on Black Star Canyon Road and carpooling is strongly recommended. You will not be required to sign-in upon arrival, though an information booth with trail maps and suggested routes will be available in the staging area.

Black Star Canyon, part of OCParks’ Irvine Ranch Open Space, offers pleasant introductory trails for beginner hikers and families as well as challenging experiences for seasoned trail users. Designated trails are available for self-guided hiking, biking and equestrian use. A variety of trail loops offer extended exploration throughout the canyons. Take time to explore the local plant communities and beautiful scenery in easy 30-minute walks or take in 7+ miles in a strong cardio trek.

There is limited space for equestrian parking along Black Star Canyon Road, carpooling is strongly encouraged. Riders must also have the ability to transport their horse to the staging area. It is a “first come, first serve” for trailer parking and therefore early arrival is HIGHLY recommended. Major crowds are typically present at the very start of the event. There are not typical equestrian amenities at the event such as hitching posts, steps to mount your horse or water troughs. Please be sure to time your arrival accordingly so you have plenty of time to enjoy the trails with your horse.  

Enjoy an afternoon family hike in Black Star Canyon, part of OCParks’ Irvine Ranch Open Space. We will hike along a flat trail and cross a dry creek as we watch for red-tailed hawks and mule deer. The hike will average 3-4 miles round trip at an easy pace with a medium level of interpretation. This program is for participants who would enjoy a slower-paced and level hike. Wear comfortable clothes and sturdy shoes, and bring water for the hike.

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.

Curious to learn about the plants among us?  Join us for a hike at Gypsum Canyon Wilderness 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 take us up a portion of Gypsum Canyon Road or Oven Canyon Road. This activity is geared toward participants curious about our local plants and ecosystem. Please bring water, closed-toe shoes and all items needed to keep you safe during our walk. Hats and sunscreen are highly recommended.

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.

Spending time outside is one of the best ways to nurture curiosity and instill a love of the natural world. Bring your young ones and join OC Parks staff to learn all about the Newport Back Bay.

Our Toddler Treks program is offered every Friday from 10:00-10:45am and includes a story time, an age-appropriate hike, and a themed craft. Each week will focus on a different topic that encourages young ones to learn about the outdoors.

The program begins at the Peter and Mary Muth Interpretive Center. Program content is tailored for the preschool level (ages 2-5), but all are welcome to attend. Please wear comfortable attire and closed-toe shoes.

Advance registration is required.

Adverse weather conditions may move the program indoors or cancel it.

Please note: Preregistration is required due to limited parking capacity.

Start your weekend off by exploring the Agua Chinon wash and the Sinks through this self-guided opportunity. Designated trails will be open for self-guided trail use in OC Parks’ Irvine Ranch Open Space. Trail routes vary in distance and level of difficulty with choices ranging from easy one-hour walks to a strenuous 9.5-mile trek. Whether traveling by feet or on two wheels, this exploration day is a treasure waiting to be discovered by hikers and mountain bikers alike. Visitors to the Open Space during this activity are able to hike or bike to the West and East Sinks viewing areas.

Please review our Trail Tips page and FAQ page to prepare for this challenging hiking and biking opportunity.

Come explore OC Parks’ newest trails at Gypsum Canyon Wilderness through this self-guided opportunity.

Located within OC Parks’ Irvine Ranch Open Space, Gypsum Canyon Wilderness features six miles of new trails for hiking, mountain biking and horseback riding. Two lookout points offer sweeping views of the surrounding canyons and unique prehistoric rock formations, while seven new trails provide multiple loop options that vary in distance and range from easy to moderate in difficulty.

Gypsum Canyon Wilderness is comprised of protected and preserved native habitats that a variety of wildlife, including mule deer, red-tailed hawks, California gnatcatchers and bobcats, call home. Visitors will have the opportunity to provide voluntary feedback about Gypsum Canyon Wilderness through on-site participation surveys and offer naming suggestions for several unnamed trails.

Advance registration is required.

Enjoy an afternoon family hike in Agua Chinon, part of OCParks’ Irvine Ranch Open Space. We hike a gradual climb of 500 ft elevation as we watch for red-tailed hawks and mule deer.  This activity originates in the City of Irvine and travels into Limestone Canyon Nature Preserve. The hike will average 3 miles round trip at an easy pace with a medium level of interpretation. This program is for participants who would enjoy a slower-paced gradual climb hike. Hikers should be in good health able to do a beginning hike over a variety of terrains. Wear comfortable clothes and sturdy shoes, and bring water for the hike. Be ready to enjoy the sounds and smells of early evening.

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.

Come join us for an interactive evening under the stars.  Immerse yourself in a scaled-down version of our solar system.  Test your imagination in naming the constellations.  Reenact the struggle between Orion and the Scorpion.  The hike will average 2-3 miles round trip at an easy pace with a high level of interpretation. This program is for participants who would like a slower-paced hike. Wear comfortable clothes and sturdy shoes and bring water for the hike. This activity is designed with kids ages 5 – 12 in mind but, everyone is welcome.

Please review the Difficulty Ratings on the banner above before registering. Understanding the 1-through-5 ratings system will help you evaluate your readiness to participate in this level-2 activity on the land.

Spending time outside is one of the best ways to nurture curiosity and instill a love of the natural world. Bring your young ones and join OC Parks staff to learn all about the Newport Back Bay.

Our Toddler Treks program is offered every Friday from 10:00-10:45am and includes a story time, an age-appropriate hike, and a themed craft. Each week will focus on a different topic that encourages young ones to learn about the outdoors.

The program begins at the Peter and Mary Muth Interpretive Center. Program content is tailored for the preschool level (ages 2-5), but all are welcome to attend. Please wear comfortable attire and closed-toe shoes.

Advance registration is required.

Adverse weather conditions may move the program indoors or cancel it.

This Wilderness Access Day is still happening. A few trails will be open for access, but please note several trails will be closed due to severe damage from the rain. Please follow all signs. Revised maps will be available to understand which trails are open.

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.

Enjoy nature with friends and family in Round Canyon. We hike along a fairly flat trail as we watch for red-tailed hawks and mule deer. This activity originates in the City of Irvine and travels into OC Parks’ Irvine Ranch Open Space. The hike averages 2-3 miles round trip at an easy pace with a medium level of interpretation. This program is for participants who would like a slower-paced and level hike. Wear comfortable clothes and sturdy shoes, and bring water for the hike.

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.

Come chat with a Civil War living historian at the cannon in Irvine Regional Park! The volunteer will share the history of the 1853 Howitzer cannon and how it came to be at its current location. Hear recounts of other historical elements found in and around Irvine Regional Park’s long history as well as the Civil War.

The volunteer may take periodic breaks. Check with the Nature Center on future Civil War reenactor visits! Inclement weather may cancel.

You can find the Civil War living historian located at the cannon and Spanish-American War Veterans monument at the lake, near the snack stand and boat house, between Parking Lots U and T.

OC Parks invites you to come and learn more about a special member of nature’s clean-up crew: the tidy turkey vulture. Join us for a fun program to learn more about these amazing creatures and how they obtained their nickname!

This program includes a story time, an age-appropriate hike, and a themed craft.

Activities will begin at the Peter and Mary Muth Interpretive Center. Program content is tailored for the preschool and kindergarten level (ages 2-6), but all are welcome to attend. Please wear comfortable attire and closed-toe shoes.

Spending time outside is one of the best ways to nurture curiosity and instill a love of the natural world. Bring your young ones and join OC Parks staff to learn all about the Newport Back Bay.

Our Toddler Treks program is offered every Friday from 10:00-10:45am and includes a story time, an age-appropriate hike, and a themed craft. Each week will focus on a different topic that encourages young ones to learn about the outdoors.

The program begins at the Peter and Mary Muth Interpretive Center. Program content is tailored for the preschool level (ages 2-5), but all are welcome to attend. Please wear comfortable attire and closed-toe shoes.

Advance registration is required.

Adverse weather conditions may move the program indoors or cancel it.

Access is first come first served until parking capacity is reached. No registration required.

Equestrians, while space is not guaranteed we encourage you to please email irvineranchopenspace@ocparks.com to coordinate parking.

Come explore 3.3 miles of new trails at Saddleback Wilderness, part of OC Parks’ Irvine Ranch Open Space, through this self-guided opportunity. Designated trails will be open for self-guided hiking, biking and equestrian use. There are multiple trail loop options which vary in distance and level of difficulty. Choices range from an easy one-mile loop to multiple figure-8 configurations for those looking to maximize their mileage. Regardless of distance, nearly all options feature scenic views including a destination vista point offering 360-degree perspectives from the mountains to the sea.

Please review our Trail Tips page and FAQ page to prepare for your experience in the wilderness area.

Enjoy an afternoon family hike in Agua Chinon, part of OC Parks’ Irvine Ranch Open Space. We will hike along a flat trail next to a dry creek as we watch for red-tailed hawks and mule deer. The hike will average 3 miles round trip at an easy pace with a medium level of interpretation. This program is for participants who would enjoy a slower-paced and level hike. Wear comfortable clothes and sturdy shoes and bring water for the hike.

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.

Spending time outside is one of the best ways to nurture curiosity and instill a love of the natural world. Bring your young ones and join OC Parks staff to learn all about the Newport Back Bay.

Our Toddler Treks program is offered every Friday from 10:00-10:45am and includes a story time, an age-appropriate hike, and a themed craft. Each week will focus on a different topic that encourages young ones to learn about the outdoors.

The program begins at the Peter and Mary Muth Interpretive Center. Program content is tailored for the preschool level (ages 2-5), but all are welcome to attend. Please wear comfortable attire and closed-toe shoes.

Advance registration is required.

Adverse weather conditions may move the program indoors or cancel it.