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.

Irvine Ranch Conservancy is committed to providing a safe and respectful environment for all participants, volunteers, and employees. Certain offensive behaviors, including problematic language or attacks based on race, color, religion, national origin, sex, sexual orientation, gender identity or expression, age, disability, or veteran status will not be tolerated. Participating in certain offensive behaviors may lead to dismissal from activities.
    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

Found 21 Events

Friday, May 16, 2025

Wild Tales

Interpretive
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 recommended. Program and parking are free.

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

Wild Tales
Date:
Fri, 05/16/2025
Time:
10:00 am - 11:00 am
Where:
Upper Newport Bay
Difficulty Rating:
1
Minimum Age:
All Ages
Family Friendly:
Yes
Spaces Left:
44 of 50
More Information  

Endangered Species Day: Paint Night

Interpretive
Endangered Species Day: Paint Night

In recognition of Endangered Species Day, join us for a guided painting program to learn more about the threatened and endangered species that call Orange County home.

This fun and engaging program will include a brief talk, followed by a guided painting program. Each participant will paint and take home their own canvas.

No experience required! Participants should wear clothing that they don’t mind getting paint on. Art supplies will be provided.

Advance registration required.

Endangered Species Day: Paint Night
Date:
Fri, 05/16/2025
Time:
6:00 pm - 8:00 pm
Where:
Upper Newport Bay
Difficulty Rating:
1
Minimum Age:
12
Spaces Left:
Full
More Information  

Saturday, May 17, 2025

Nature Scavenger Hunt at the Upper Newport Bay

Interpretive
Nature Scavenger Hunt at the Upper Newport Bay

Get ready for a FUN, all ages, Nature Scavenger Hunt, put on by OC Parks staff and volunteers.

The day will consist of locating a series of interpretive tables and posts that have been “hidden” along the trails around the Peter and Mary Muth Interpretive Center. We will have hands-on, educational activities and prizes for those that complete the scavenger hunt.

The program is designed for ages 7-12, but all are encouraged to participate. Kick off is 9:30am, and the event concludes at 12:30pm. You may arrive at any point during this time window. The scavenger hunt itself takes roughly 45 minutes to complete.

The program and parking are free. Adverse weather will cancel the event.

Advance registration is recommended, but walk-ups are welcome.

Nature Scavenger Hunt at the Upper Newport Bay
Date:
Sat, 05/17/2025
Time:
9:30 am - 12:30 pm
Where:
Upper Newport Bay
Difficulty Rating:
1
Minimum Age:
All Ages
Family Friendly:
Yes
Spaces Left:
93 of 100
More Information  

Sunday, May 18, 2025

Guided Interpretive Hike

Interpretive
Guided Interpretive Hike

Come enjoy an easy, 2.5-mile hike over easy but uneven terrain with approximately 50 feet of elevation gain. We will have interpretive stops along the way to learn about the Bay, as well as the plants and animals that call it home. We will be moving at a moderate pace.

Please bring water, snacks, and sun protection as needed. This program is geared towards those 8 and up. Individuals 16 and under must be accompanied by an adult.

The program and parking are free. Adverse weather may cancel the program.

Walk-ups are welcome, but advance registration is recommended.

Guided Interpretive Hike
Date:
Sun, 05/18/2025
Time:
9:00 am - 11:00 am
Where:
Upper Newport Bay
Difficulty Rating:
1
Minimum Age:
8
Spaces Left:
26 of 30
More Information  

Wednesday, May 21, 2025

Critter Investigation: Tidy Turkey Vultures

Interpretive
Critter Investigation: Tidy Turkey Vultures

OC Parks invites you to come and learn more about one of our most common raptors: the tidy turkey vulture. Join us for a fun program to learn more about these amazing creatures and how they act as nature’s clean-up crew!

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.

The program and parking are free. Advance registration is recommended.

Adverse weather may cancel the program or move it indoors.

Critter Investigation: Tidy Turkey Vultures
Date:
Wed, 05/21/2025
Time:
10:00 am - 11:00 am
Where:
Upper Newport Bay
Difficulty Rating:
1
Minimum Age:
All Ages
Family Friendly:
Yes
Spaces Left:
Full
More Information  

Friday, May 23, 2025

Wild Tales

Interpretive
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 recommended. Program and parking are free.

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

Wild Tales
Date:
Fri, 05/23/2025
Time:
10:00 am - 11:00 am
Where:
Upper Newport Bay
Difficulty Rating:
1
Minimum Age:
All Ages
Family Friendly:
Yes
Spaces Left:
48 of 50
More Information  

Saturday, May 24, 2025

Paws on the Trail

Interpretive
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.

Paws on the Trail
Date:
Sat, 05/24/2025
Time:
9:00 am - 11:00 am
Where:
Upper Newport Bay
Difficulty Rating:
1
Minimum Age:
8
Spaces Left:
19 of 20
More Information  

Friday, May 30, 2025

Wild Tales

Interpretive
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 recommended. Program and parking are free.

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

Wild Tales
Date:
Fri, 05/30/2025
Time:
10:00 am - 11:00 am
Where:
Upper Newport Bay
Difficulty Rating:
1
Minimum Age:
All Ages
Family Friendly:
Yes
Spaces Left:
Registration for this event opens at 6:00am on 05/16/2025
More Information  

Saturday, May 31, 2025

Upper Newport Bay Habitat Stewards

Stewardship
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.

Upper Newport Bay Habitat Stewards
Date:
Sat, 05/31/2025
Time:
9:00 am - 11:00 am
Where:
Upper Newport Bay
Difficulty Rating:
1
Minimum Age:
8
Spaces Left:
50 of 50
More Information  

Friday, June 6, 2025

Wild Tales

Interpretive
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.

Wild Tales
Date:
Fri, 06/06/2025
Time:
10:00 am - 11:00 am
Where:
Upper Newport Bay
Difficulty Rating:
1
Minimum Age:
All Ages
Family Friendly:
Yes
Spaces Left:
Registration for this event opens at 6:00am on 05/23/2025
More Information  

Saturday, June 7, 2025

Paws on the Trail

Interpretive
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.

Paws on the Trail
Date:
Sat, 06/07/2025
Time:
9:00 am - 11:00 am
Where:
Upper Newport Bay
Difficulty Rating:
1
Minimum Age:
8
Spaces Left:
25 of 25
More Information  

Friday, June 13, 2025

Wild Tales

Interpretive
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.

Wild Tales
Date:
Fri, 06/13/2025
Time:
10:00 am - 11:00 am
Where:
Upper Newport Bay
Difficulty Rating:
1
Minimum Age:
All Ages
Family Friendly:
Yes
Spaces Left:
Registration for this event opens at 6:00am on 05/30/2025
More Information  

Jr. Ranger Adventure: Upper Newport Bay

Interpretive
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.

Jr. Ranger Adventure: Upper Newport Bay
Date:
Fri, 06/13/2025
Time:
3:30 pm - 5:00 pm
Where:
Upper Newport Bay
Difficulty Rating:
1
Minimum Age:
7
Spaces Left:
Registration for this event opens at 6:00am on 05/13/2025
More Information  

Saturday, June 14, 2025

Nature Journaling: Invasive Plants

Interpretive
Nature Journaling: Invasive Plants

Nature journaling is a wonderful tool to make observations, create lasting memories, and foster a deeper connection with nature. Each session will cover the basics of nature journaling, including basic art principles and journal anatomy. Monthly prompts will help guide your eyes and ears to the wonders in nature.

Bring a nature journal and your own art materials such as pencils, pens, or watercolors. A portable chair is recommended along with sun protection, water and snacks. Be prepared to move along the trail a short distance and sit to document the beauty around you.

This program is geared for ages 12 and up. No experience necessary! We will begin outside of the Peter and Mary Muth Interpretive Center. The program and parking are free.

Advance registration required. Rain or adverse weather will cancel the program.

Nature Journaling: Invasive Plants
Date:
Sat, 06/14/2025
Time:
9:00 am - 11:00 am
Where:
Upper Newport Bay
Difficulty Rating:
1
Minimum Age:
12
Spaces Left:
Registration for this event opens at 6:00am on 05/14/2025
More Information  

Sunday, June 15, 2025

Dad Joke Hike

Interpretive
Dad Joke Hike

What do you a call a seagull that flies over the Bay?…a bagel!

Bring your father along and celebrate Father’s Day during an easy, 2.5-mile hike over easy but uneven terrain with approximately 50 feet of elevation gain. We will have interpretive stops along the way full of dad jokes and educational information about the Bay. We will be moving at a moderate pace.

Please bring water, snacks, and sun protection as needed. This program is geared towards those 8 and up. Individuals 16 and under must be accompanied by an adult.

The program and parking are free. Adverse weather may cancel the program.

Walk-ups are welcome, but advance registration is recommended.

Dad Joke Hike
Date:
Sun, 06/15/2025
Time:
9:00 am - 11:00 am
Where:
Upper Newport Bay
Difficulty Rating:
1
Minimum Age:
8
Spaces Left:
Registration for this event opens at 6:00am on 05/15/2025
More Information  

Wednesday, June 18, 2025

Critter Investigation: Magnificent Mountain Lions

Interpretive
Critter Investigation: Magnificent Mountain Lions

Bring your little ones (ages 2 to 5) to learn more about mountain lions! 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. Please register all adults and children.

Critter Investigation: Magnificent Mountain Lions
Date:
Wed, 06/18/2025
Time:
10:00 am - 11:00 am
Where:
Upper Newport Bay
Difficulty Rating:
1
Minimum Age:
All Ages
Family Friendly:
Yes
Spaces Left:
Registration for this event opens at 6:00am on 06/04/2025
More Information  

Friday, June 20, 2025

Wild Tales

Interpretive
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.

Wild Tales
Date:
Fri, 06/20/2025
Time:
10:00 am - 11:00 am
Where:
Upper Newport Bay
Difficulty Rating:
1
Minimum Age:
All Ages
Family Friendly:
Yes
Spaces Left:
Registration for this event opens at 12:00am on 06/06/2025
More Information  

Wednesday, June 25, 2025

Biking the Bay

Mountain Biking
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.

Biking the Bay
Date:
Wed, 06/25/2025
Time:
8:00 am - 10:30 am
Where:
Upper Newport Bay
Difficulty Rating:
2
Minimum Age:
14
Spaces Left:
Registration for this event opens at 6:00am on 05/25/2025
More Information  

Friday, June 27, 2025

Wild Tales

Interpretive
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.

Wild Tales
Date:
Fri, 06/27/2025
Time:
10:00 am - 11:00 am
Where:
Upper Newport Bay
Difficulty Rating:
1
Minimum Age:
All Ages
Family Friendly:
Yes
Spaces Left:
Registration for this event opens at 6:00am on 06/13/2025
More Information  

Saturday, June 28, 2025

Upper Newport Bay Habitat Stewards

Stewardship
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.

Upper Newport Bay Habitat Stewards
Date:
Sat, 06/28/2025
Time:
9:00 am - 11:00 am
Where:
Upper Newport Bay
Difficulty Rating:
1
Minimum Age:
8
Spaces Left:
Registration for this event opens at 6:00am on 05/28/2025
More Information  
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