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2025 Holiday Lights

Spend the holiday season with OC Parks at Heritage Hill Historical Park this December! 

Holiday Lights will take place December 12, 13 and 14 from 5 to 9 p.m. Wander through twinkling light displays during special park hours. Pets are welcome outdoors only on leashes no longer than 6 feet. Please note that no additional entertainment or refreshments will be provided at Holiday Lights. Make sure to bring a camera and take your picture at a variety of holiday-themed photo opportunities! 

Event and parking are free. 

Inclement weather may cancel the event. 

For more information, call (949) 923-2230 or email heritagehill@ocparks.com

Festive lights at Holiday Lights at Heritage Hill Historical Park

2025 Holiday Lights

Spend the holiday season with OC Parks at Heritage Hill Historical Park this December! 

Holiday Lights will take place December 12, 13 and 14 from 5 to 9 p.m. Wander through twinkling light displays during special park hours. Pets are welcome outdoors only on leashes no longer than 6 feet. Please note that no additional entertainment or refreshments will be provided at Holiday Lights. Make sure to bring a camera and take your picture at a variety of holiday-themed photo opportunities! 

Event and parking are free. 

Inclement weather may cancel the event. 

For more information, call (949) 923-2230 or email heritagehill@ocparks.com

Festive lights at Holiday Lights at Heritage Hill Historical Park

Native Garden Restoration at Clark Park

Learn about native, introduced and invasive plants and join us as we work toward restoring healthy habitat areas at Clark Regional Park by managing and expanding the garden as conditions permit. Experience the satisfaction of weeding invasive plants and observing our local biodiversity as it grows!

We will meet in parking lot H and the activity will take place within a quarter mile of the parking lot. No experience is necessary, and all tools will be provided. Be prepared to remove weeds using hand tools or to spread mulch or seeds. Long sleeves and pants, closed-toe shoes, sun protection and water are recommended.

Registration is encouraged, but walk-ins are welcome. Learn more and register here.

Minors 16 and younger must be accompanied by a guardian.

The program is free and parking is $5 per vehicle. 

For large group registration or general questions, please email sarah.hoemke@ocparks.com or call (714)973-6671.

Rain or heat advisory may cancel this program.

monarch on milkweed

2025 Holiday Lights

Spend the holiday season with OC Parks at Heritage Hill Historical Park this December! 

Holiday Lights will take place December 12, 13 and 14 from 5 to 9 p.m. Wander through twinkling light displays during special park hours. Pets are welcome outdoors only on leashes no longer than 6 feet. Please note that no additional entertainment or refreshments will be provided at Holiday Lights. Make sure to bring a camera and take your picture at a variety of holiday-themed photo opportunities! 

Event and parking are free. 

Inclement weather may cancel the event. 

For more information, call (949) 923-2230 or email heritagehill@ocparks.com

Festive lights at Holiday Lights at Heritage Hill Historical Park

39th Annual Candlelight Walk

Spend the holiday season with OC Parks at Heritage Hill Historical Park this December!

The 39th annual Candlelight Walk will take place over three festive evenings Dec. 5, 6 and 7 from 5 to 9 p.m. Enjoy an evening stroll through the decorated grounds as well as live musical performances, holiday crafts for kids* and a visit with Santa Claus! Light refreshments will be available for cash purchase.

Event and parking are free.

Inclement weather may cancel the event.

For more information, call (949) 923-2230 or email heritagehill@ocparks.com

Candlelight Walk lights at Heritage Hill

39th Annual Candlelight Walk

Spend the holiday season with OC Parks at Heritage Hill Historical Park this December!

The 39th annual Candlelight Walk will take place over three festive evenings Dec. 5, 6 and 7 from 5 to 9 p.m. Enjoy an evening stroll through the decorated grounds as well as live musical performances, holiday crafts for kids* and a visit with Santa Claus! Light refreshments will be available for cash purchase.

Event and parking are free.

Inclement weather may cancel the event.

For more information, call (949) 923-2230 or email heritagehill@ocparks.com

Candlelight Walk lights at Heritage Hill

39th Annual Candlelight Walk

Spend the holiday season with OC Parks at Heritage Hill Historical Park this December!

The 39th annual Candlelight Walk will take place over three festive evenings Dec. 5, 6 and 7 from 5 to 9 p.m. Enjoy an evening stroll through the decorated grounds as well as live musical performances, holiday crafts for kids* and a visit with Santa Claus! Light refreshments will be available for cash purchase.

Event and parking are free.

Inclement weather may cancel the event.

For more information, call (949) 923-2230 or email heritagehill@ocparks.com

Candlelight Walk lights at Heritage Hill

Growing Together at the Native Seed Farm

Looking for a way to give back to Nature this Autumn? Come help us behind the scenes at the Irvine Ranch Conservancy’s one-of-a-kind Native Seed Farm in Irvine! Every day at the farm is different; depending on the needs of the farm we will be harvesting seeds, weeding, trimming, or planting seed of our beautiful native plants.

Working with us at the Native Seed Farm is a great way to grow your community and cultivate knowledge about local native plants, ecology, and wildlife! Absolutely no experience or special equipment required! 

The seed collected will be used for habitat restoration within the Irvine Ranch Natural Landmarks. These plants were specially selected to support local wildlife and promote resilience in the ecosystem. Come help us heal the wildlands within the Landmarks! When you sign up, check the confirmation email to see tips on how to be prepared for your time with us.

Please note that you will be asked to adhere to the following measures in order to participate:

  • Be registered in advance, no walk-up registration is permitted.
  • Arrive with all necessary equipment to keep you safe, including water, snacks, sun protection, long pants, closed-toe footwear, first aid, health needs etc.
  • Restrooms will be available, but facilities will not be sanitized for each individual.
  • All participants are required to sign a liability waiver upon arrival at the staging area and before beginning the activity. The waiver can be previewed here: IRC Liability Waiver
  • Please note our Minors Policy for all public activities: All minors (under 18 years of age) must be accompanied by their respective parent or legal guardian. Both parent and their accompanying minor(s) must be registered for the Irvine Ranch Conservancy led activity they wish to attend.
    • Minors must be 8 years of age or older to participate in activities at the Native Seed Farm.

Note: Activity leaders may turn away participants who are under-prepared and wearing improper attire for work at the Native Seed Farm. This is for your own safety and to ensure an enjoyable experience for everyone who attends.

Additionally, in an effort to respect and protect all employees, volunteers, and participants, please do not sign up or attend if you are not feeling well, exhibiting any symptoms of illness or have been in recent contact with someone who was ill.

Reviewing the 1-5 Difficulty Ratings will help you evaluate your readiness to participate in this Level 2 activity. Activities may include bending, stooping, crouching, squatting, long periods of standing, reaching, pulling, grabbing, and pushing.

The Native Seed Farm is home to a large variety of plants, some of which may cause allergic reactions in people with certain sensitivities. Individuals with known sensitivities to pollen, plant resins, or plant oils should be cautious and prepared should they develop a reaction such as coughing, congestion, or dermatitis. If you suspect you are developing an allergic reaction while participating in this activity, please let the activity lead know as soon as possible. To keep participants safe, those experiencing allergy symptoms may be asked to take a break away from the work area. If a participant’s symptoms persist, they may be asked to excuse themselves from the activity at the lead’s discretion.

Learn more and register here

Native Seed Farm

Hall Canyon on Horseback

Take a leisurely ride on beautiful Hall Canyon and Helo trail in the Black Star Wilderness Area, home of oak woodlands, grasslands, and coastal sage scrub. View evidence of the old ranch days when cattle once roamed the area and see wildflowers that are native to our area. You will see amazing views of the local canyons and red rock. Evidence of a more recent use of the land is an area used for helicopter landings and a large metal ball and chain the military and OC Fire departments used for training.

Equestrians who have trail riding experience, and their own fit and able horse are welcome. You will need to transport your horse to the staging area. Owners of unshod horses, please note that footing will include areas of gravel, rocky creek areas.

Please note that you will be asked to adhere to the following measures in order to participate:

  • Be registered in advance, no walk-up registration is permitted.
  • Arrive with all necessary equipment to keep you safe on the trail, including water, proper attire, and closed-toe footwear, first aid, health needs etc.
  • You are welcome to arrive 30 minutes prior to listed departure time to ready your horse.
  • We will be contacting you for trailer details so we can give you direction on where to park it.
  • Restrooms will be available, but facilities will not be sanitized for each individual.
  • All participants are required to sign a liability waiver upon arrival at the staging area and before beginning the activity. The waiver can be previewed here: IRC Liability Waiver
  • You may be prevented from participating if you do not adhere to the above protocols.

Additionally, in an effort to respect and protect all employees, volunteers, and participants, please do not sign up or attend if you are not feeling well, exhibiting any symptoms of illness or have been in recent contact with someone who was ill.

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.

Learn more and register here

Black Star Canyon

Growing Together at the Native Seed Farm

Looking for a way to give back to Nature this Autumn? Come help us behind the scenes at the Irvine Ranch Conservancy’s one-of-a-kind Native Seed Farm in Irvine! Every day at the farm is different; depending on the needs of the farm we will be harvesting seeds, weeding, trimming, or planting seed of our beautiful native plants.

Working with us at the Native Seed Farm is a great way to grow your community and cultivate knowledge about local native plants, ecology, and wildlife! Absolutely no experience or special equipment required! 

The seed collected will be used for habitat restoration within the Irvine Ranch Natural Landmarks. These plants were specially selected to support local wildlife and promote resilience in the ecosystem. Come help us heal the wildlands within the Landmarks! When you sign up, check the confirmation email to see tips on how to be prepared for your time with us.

Please note that you will be asked to adhere to the following measures in order to participate:

  • Be registered in advance, no walk-up registration is permitted.
  • Arrive with all necessary equipment to keep you safe, including water, snacks, sun protection, long pants, closed-toe footwear, first aid, health needs etc.
  • Restrooms will be available, but facilities will not be sanitized for each individual.
  • All participants are required to sign a liability waiver upon arrival at the staging area and before beginning the activity. The waiver can be previewed here: IRC Liability Waiver
  • Please note our Minors Policy for all public activities: All minors (under 18 years of age) must be accompanied by their respective parent or legal guardian. Both parent and their accompanying minor(s) must be registered for the Irvine Ranch Conservancy led activity they wish to attend.
    • Minors must be 8 years of age or older to participate in activities at the Native Seed Farm.

Note: Activity leaders may turn away participants who are under-prepared and wearing improper attire for work at the Native Seed Farm. This is for your own safety and to ensure an enjoyable experience for everyone who attends.

Additionally, in an effort to respect and protect all employees, volunteers, and participants, please do not sign up or attend if you are not feeling well, exhibiting any symptoms of illness or have been in recent contact with someone who was ill.

Reviewing the 1-5 Difficulty Ratings will help you evaluate your readiness to participate in this Level 2 activity. Activities may include bending, stooping, crouching, squatting, long periods of standing, reaching, pulling, grabbing, and pushing.

The Native Seed Farm is home to a large variety of plants, some of which may cause allergic reactions in people with certain sensitivities. Individuals with known sensitivities to pollen, plant resins, or plant oils should be cautious and prepared should they develop a reaction such as coughing, congestion, or dermatitis. If you suspect you are developing an allergic reaction while participating in this activity, please let the activity lead know as soon as possible. To keep participants safe, those experiencing allergy symptoms may be asked to take a break away from the work area. If a participant’s symptoms persist, they may be asked to excuse themselves from the activity at the lead’s discretion.

Learn more and register here

Native Seed Farm
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