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.
Updated Difficulty Ratings: The Hiking and Fitness Difficulty Ratings have been updated to reflect our current activities. Please click below to read the ratings.
Click here to learn more about IRC-Certified Volunteers. • Click here to learn more about the Difficulty Ratings.
Search & Filter Activities
Wednesday, June 25, 2025
Biking the Bay

Join OC Parks for an interpretive bike ride around Upper Newport Bay! Participants will have the opportunity to get their heart rate up and pedal around the Bay, all while learning about local ecology and history.
This moderately-paced ride will cover a 10 mile section of the Back Bay Loop trail over the course of 2 and a half hours. We will remain on the paved portion of the trail and will have interpretative stops along the way.
Participants must provide their own bike and helmet. E-bikes are welcome. Please note that the pace and talking points are geared towards individuals aged 14 and up. Minors must have a parent/guardian present at all times.
Distance: 10 miles
Elevation Change: 155 feet
Advance registration required. The parking and program are free. Rain or adverse weather will cancel the event.
Friday, June 27, 2025
Wild Tales

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 Wild Tales 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. Minors under age 18 must be accompanied by an adult guardian. Please wear comfortable attire and closed-toe shoes.
Advance registration is REQUIRED. In an effort to keep our program size manageable and engaging for participants, this program no longer accepts walk ups. Program and parking are free.
Adverse weather conditions may move the program indoors or cancel it.
Saturday, June 28, 2025
Upper Newport Bay Habitat Stewards

Join Upper Newport Bay Nature Preserve staff and volunteers in enhancing the Bay’s habitat for local wildlife. Activities may include non-native plant removal, planting natives, watering, trash cleanup, and Butterfly Garden maintenance. No experience is necessary; please bring a hat, sunscreen, snacks, refillable water bottle, etc. Water and tools are provided.
Minors ages 16 and younger must have a legal guardian present at all times.
The program and parking are free. Rain will cancel the event.
Space is limited, so please register to reserve your space (especially for groups.) Walk-ins are welcome but will be accepted based on availability.
Saturday, July 5, 2025
Upper Newport Bay Habitat Stewards

Join Upper Newport Bay Nature Preserve staff and volunteers in enhancing the Bay’s habitat for local wildlife. Activities may include non-native plant removal, planting natives, watering, trash cleanup, and Butterfly Garden maintenance. No experience is necessary; please bring a hat, sunscreen, snacks, refillable water bottle, etc. Water and tools are provided.
Minors ages 16 and younger must have a legal guardian present at all times.
The program and parking are free. Adverse weather will cancel the event.
Space is limited, so please register to reserve your space (especially for groups.) Walk-ins are welcome but will be accepted based on availability.
Sunday, July 6, 2025
Paws on the Trail

Join OC Parks staff and volunteers with your furry friend(s) (maximum of 2 dogs per person) for a dog walk at Upper Newport Bay. Come enjoy an easy, 3-mile hike over easy but uneven, unpaved terrain with approximately 75 feet of elevation gain. We will stop along the way to learn about the Bay as well as how to keep both your dog and the wildlife safe when out on our trails.
Please wear closed-toe shoes, have sun-protection as needed, and bring water for both you and your four-legged friends.
To ensure an enjoyable and safe experience for all participants, we have a few important guidelines:
1. Behavioral Expectations – We welcome well socialized dogs that are up to date on their vaccines.
2. Leash Requirement – To ensure the safety of other participants and wildlife, we thank you for keeping your dog leashed at all times within the nature preserve.
3. Owner Responsibility – Owners are fully responsible for their dog’s behavior and asked to keep a close watch on their canine companions.
Adverse weather will cancel the program. The program and parking are free.
Space is limited and advance registration is recommended.
Thursday, July 10, 2025
Artistic Ecology: Watercolors from the Wild

Join OC Parks staff and volunteers for our monthly program where art meets ecology! Come explore the natural world through the lens of creativity by painting with watercolors made from natural materials.
This program will feature a brief nature walk to identify some common Orange County native plants as well as a discussion on how people have used natural pigments throughout the course of history. We’ll then paint with handmade watercolors that have been created by extracting pigments from the natural world!
All program materials will be provided. Please wear closed-toe shoes and clothes that you don’t mind getting paint or dyes on.
We will begin outside of the Peter and Mary Muth Interpretive Center. The program and parking are free.
Adverse weather may move the program fully indoors.
For questions, please contact Resource Specialist Emma Arago at emma.arago@ocparks.com or call (657) 692-5401.
Friday, July 11, 2025
Wild Tales

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 Wild Tales 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. Minors under age 18 must be accompanied by an adult guardian. Please wear comfortable attire and closed-toe shoes.
Advance registration is REQUIRED. In an effort to keep our program size manageable and engaging for participants, this program no longer accepts walk ups. Program and parking are free.
Adverse weather conditions may move the program indoors or cancel it.
Saturday, July 12, 2025
Jr. Ranger Adventure: Upper Newport Bay

*This program takes place at the Upper Newport Bay Nature Preserve, 2301 University Dr, Newport Beach, CA 92660*
The OC Parks Jr. Ranger Program encourages park guests to find their own paths within OC Parks by developing a sense of belonging, becoming a part of nature and feeling empowered to be stewards of Orange County’s natural and cultural resources.
Participants will explore the Upper Newport Bay Nature Preserve, complete activities and take the OC Parks Jr. Ranger Oath to earn a unique Jr. Ranger badge.
This program is designed for ages 7 to 12, but all are welcome.
Minors must be accompanied by a parent or guardian during the program. Sunscreen, sturdy footwear and water are recommended.
The program and parking are free. Inclement weather will cancel the program.
Advance registration is required.
Wednesday, July 16, 2025
Critter Investigation: Outstanding Opossums

Bring your little ones (ages 2 to 5) to learn more about opossums! This fun and engaging program includes story time, an age-appropriate hike and themed craft.
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.
The program and parking are free.
Advance registration is recommended. Please register all adults and children.
For questions, please contact Resource Specialist Emma Arago at emma.arago@ocparks.com or call (657) 692-5401.
Friday, July 18, 2025
Mindful Nature Walk

Join OC Parks staff and volunteers to observe the sights, sounds and smells of nature during an intimate nature walk led by a certified nature and forest therapy guide. Through a series of invitations, you will be encouraged to explore in the present moment and deepen your connection with nature.
Experience the benefits of spending time outdoors in a mindful way during a lovely morning at Upper Newport Bay. Please note this is a slow-paced program designed for ages 14 and older.
Please wear comfortable attire. You may also bring a sitting material if you wish (i.e. tarp, seating pad, small chair, etc.). The program and parking are free.
Advance registration required. Adverse weather will cancel the program.
Wild Tales

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 Wild Tales 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. Minors under age 18 must be accompanied by an adult guardian. Please wear comfortable attire and closed-toe shoes.
Advance registration is REQUIRED. In an effort to keep our program size manageable and engaging for participants, this program no longer accepts walk ups. Program and parking are free.
Adverse weather conditions may move the program indoors or cancel it.
Thursday, July 24, 2025
Biking the Bay

Join OC Parks for an interpretive bike ride around Upper Newport Bay! Participants will have the opportunity to get their heart rate up and pedal around the Bay, all while learning about local ecology and history.
This moderately-paced ride will cover a 10 mile section of the Back Bay Loop trail over the course of 2 and a half hours. We will remain on the paved portion of the trail and will have interpretative stops along the way.
Participants must provide their own bike and helmet. Road bikes, mountain bikes, and e-bikes are welcome. Please note that the pace and talking points are geared towards individuals aged 14 and up. Minors must have a parent/guardian present at all times.
Distance: 10 miles
Elevation Change: 155 feet
Advance registration required. The parking and program are free. Rain or adverse weather will cancel the event.
Friday, July 25, 2025
Wild Tales

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 Wild Tales 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. Minors under age 18 must be accompanied by an adult guardian. Please wear comfortable attire and closed-toe shoes.
Advance registration is REQUIRED. In an effort to keep our program size manageable and engaging for participants, this program no longer accepts walk ups. Program and parking are free.
Adverse weather conditions may move the program indoors or cancel it.
Friday, August 1, 2025
Wild Tales

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 Wild Tales 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. Minors under age 18 must be accompanied by an adult guardian. Please wear comfortable attire and closed-toe shoes.
Advance registration is REQUIRED. In an effort to keep our program size manageable and engaging for participants, this program no longer accepts walk ups. Program and parking are free.
Adverse weather conditions may move the program indoors or cancel it.