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.
Sunday, March 1, 2020
Harding Nature Trail Restoration

Join OC Habitats and other volunteers in restoring the Harding Nature Trail at Irvine Regional Park. Activities may include watering, removing invasive plants, planting native plants, mulching, or weeding.
• No experience is necessary.
• Water will be provided.
• Tools and gloves will be available.
• Minors aged 16 and younger must have a legal guardian present at all times.
• Rain or heat advisories will cancel the event.
Please Wear: long pants, closed-toe shoes, and a hat.
Please Bring: sunscreen, work gloves (if you have them), and water
Sunday, March 8, 2020
CANCELLED: Harding Nature Trail Restoration

Come Join OC Habitats and other volunteers in restoring the Harding Nature Trail at Irvine Regional Park. Activities may include watering, removing invasive plants, planting native plants, mulching, or weeding.
• No experience is necessary.
• Water will be provided.
• Tools will be available.
• Minors aged 16 and younger must have a legal guardian present at all times.
• Rain or heat advisories will cancel the event.
Please Wear: long pants, closed-toe shoes, and a hat.
Please Bring: sunscreen, work gloves, and water
Saturday, March 14, 2020
CANCELLED: Volutaria Response Team

Volutaria tubuliflora otherwise known as Egyptian Knapweed is a recently introduced invasive plant to our area and we need your help to get rid of it! It is not yet widespread, and we have a chance to prevent it from taking over at Upper Newport Bay.
During the growing season, we will meet on the second Saturday of every month to survey for this nasty pest and remove everything we find. No experience needed!
Minors aged 16 and younger must have legal guardian present at all times. Rain will cancel the event.
Registration required.
For more information call (949) 923-2250 or email unbic@ocparks.com
Sunday, March 15, 2020
CANCELLED: Peters Canyon Habitat Restoration Event

Join OC Parks staff and other volunteers in enhancing habitat at Peters Canyon Regional Park! Activities may include watering, removing invasive plants, planting native plants, mulching, or weeding.
• No experience is necessary.
• Water will be provided.
• Tools will be available.
• Minors aged 16 and younger must have a legal guardian present at all times.
• Rain or heat advisories will cancel the event.
Please Wear: long pants, closed-toe shoes, and a hat.
Please Bring: sunscreen, work gloves, reusable water container, and any tools you may have.
CANCELLED: Wildflowers of Upper Newport Bay

The saying goes “April showers bring May flowers” but in our case it really should be “January showers lead to flowers in February, March and April.” Come explore the bluffs above Upper Newport Bay and learn about all the different wildflowers which grow there. Participants will also learn how to identify some of the invasive weeds that can be found there. They may have pretty flowers, but the can cause major problems.
Participants can expect to walk 2-3 miles over uneven terrain.
Minors aged 16 and younger must have legal guardian present at all times. Rain will cancel the event.
Registration required. For more information call (949) 923-2250 or email unbic@ocparks.com
Saturday, April 11, 2020
Volutaria Response Team

Volutaria tubuliflora otherwise known as Egyptian Knapweed is a recently introduced invasive plant to our area and we need your help to get rid of it! It is not yet widespread, and we have a chance to prevent it from taking over at Upper Newport Bay.
During the growing season, we will meet on the second Saturday of every month to survey for this nasty pest and remove everything we find. No experience needed!
Minors aged 16 and younger must have legal guardian present at all times. Rain will cancel the event.
Registration required.
For more information call (949) 923-2250 or email unbic@ocparks.com
Saturday, June 6, 2020
CANCELLED: National Trails Day at Upper Newport Bay

Join outdoor enthusiasts all of the country and participate in a National Trails Day event on June 6th 2020. At Upper Newport Bay we will recognize this annual event coordinated by the American Hiking Society with a variety of service opportunities. Projects will include clearing trails, habitat restoration, pulling invasive weeds, and picking up trash. Whether you need volunteer service hours or just love the Bay, join us to give back and help protect and preserve one of Orange County’s greatest natural resources.
Children must be 8 years old or older to participate in this event.
Minors aged 16 and younger must have legal guardian present at all times.
Walk-ins are welcome, however space is limited, so registration is suggested.
For more information call (949) 923-2250 or email unbic@ocparks.com
Sunday, June 21, 2020
CANCELLED: Peters Canyon Habitat Restoration Event

Join OC Parks staff and other volunteers in enhancing habitat at Peters Canyon Regional Park! Activities may include watering, removing invasive plants, planting native plants, mulching, or weeding.
• No experience is necessary.
• Water will be provided.
• Tools will be available.
• Minors aged 16 and younger must have a legal guardian present at all times.
• Rain or heat advisories will cancel the event.
Please Wear: long pants, closed-toe shoes, and a hat.
Please Bring: sunscreen, work gloves, reusable water container, and any tools you may have.
Sunday, July 19, 2020
CANCELLED: Peters Canyon Habitat Restoration Event

Join OC Parks staff and other volunteers in enhancing habitat at Peters Canyon Regional Park! Activities may include watering, removing invasive plants, planting native plants, mulching, or weeding.
• No experience is necessary.
• Water will be provided.
• Tools will be available.
• Minors aged 16 and younger must have a legal guardian present at all times.
• Rain or heat advisories will cancel the event.
Please Wear: long pants, closed-toe shoes, and a hat.
Please Bring: sunscreen, work gloves, reusable water container, and any tools you may have.