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 4, 2025
Tot Trails
Explore the natural wonders of Irvine Regional Park with OC Parks! Join us on the first Wednesday of each month from 10-11 a.m. for a variety of kid friendly hikes and talks.
This program will begin outside the Nature Center. Program content is tailored for ages 2 to 6, but all are welcome to attend. Water, comfortable attire and closed-toe shoes are recommended.
Inclement weather may cancel the program.
Advance registration is required.
For questions, please contact Resource Specialist Shelly Marshall at shelly.marshall@ocparks.com.
- Date:
- Wed, 06/04/2025
- Time:
- 10:00 am - 11:00 am
- Where:
- Irvine Regional Park
- Difficulty Rating:
- 1
- Minimum Age:
- All Ages
- Spaces Left:
- Registration for this event opens at 12:00am on 05/21/2025
Saturday, June 7, 2025
Seasons Series: Hello Spring!
Orange County may not experience the same seasons as the rest of the country, but signs are there if you know where to look!
Join an OC Parks resource specialist for a walk through Irvine Regional Park to look for the subtle signs that herald an Orange County spring.
This program will begin at parking lot P.
This is a slow-paced, 2-mile walk along Horseshoe Loop Trail with some elevation gain. Water, sturdy footwear and water are recommended. This hike is not recommended for very small children or strollers. Children must be accompanied by a guardian at all times during the program.
The program is free and parking is $5 per vehicle.
Walk-ins are welcome, but registration is recommended.
For questions, please contact Resource Specialist Shelly Marshall at shelly.marshall@ocparks.com.
- Date:
- Sat, 06/07/2025
- Time:
- 2:00 pm - 4:00 pm
- Where:
- Irvine Regional Park
- Difficulty Rating:
- 2
- Minimum Age:
- 8
- Spaces Left:
- Registration for this event opens at 12:00am on 05/24/2025
Wednesday, June 18, 2025
Spring Bird Walk
Join an experienced OC Parks volunteer and stroll through Irvine Regional Park searching high in the trees for flittering friends and low in the scrubs for bouncing birds. Bring your binoculars, sun protection, comfortable shoes and an eye for spotting birds!
This walk begins outside the Nature Center.
Walk-ins are welcome, but registration is recommended.
Inclement weather will cancel the program.
The program is free and parking is $3 per vehicle.
For questions, please contact Resource Specialist Shelly Marshall at (714) 973-6625 or shelly.marshall@ocparks.com.
- Date:
- Wed, 06/18/2025
- Time:
- 7:30 am - 9:30 am
- Where:
- Irvine Regional Park
- Difficulty Rating:
- 1
- Minimum Age:
- 8
- Spaces Left:
- Registration for this event opens at 12:00am on 06/04/2025
Friday, July 25, 2025
Jr. Ranger Adventure: Irvine Regional Park
The OC Parks Jr. Ranger Program encourages park guests to explore the outdoor world 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 Irvine Regional Park, complete activities and take the OC Parks Jr. Ranger Oath to earn a unique Jr. Ranger badge. This program will begin outside the Nature Center.
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 is free and parking is $3 on weekdays. Inclement weather will cancel the program.
Advance registration is required.
For questions, please contact Resource Specialist Shelly Marshall at shelly.marshall@ocparks.com.
- Date:
- Fri, 07/25/2025
- Time:
- 3:30 pm - 5:00 pm
- Where:
- Irvine Regional Park
- Difficulty Rating:
- 1
- Minimum Age:
- All Ages
- Spaces Left:
- Registration for this event opens at 12:00am on 07/11/2025
Friday, October 24, 2025
Jr. Ranger Adventure: Irvine Regional Park
The OC Parks Jr. Ranger Program encourages park guests to explore the outdoor world 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 Irvine Regional Park, complete activities and take the OC Parks Jr. Ranger Oath to earn a unique Jr. Ranger badge. This program will begin outside the Nature Center.
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 is free and parking is $3 on weekdays. Inclement weather will cancel the program.
Advance registration is required.
For questions, please contact Resource Specialist Shelly Marshall at shelly.marshall@ocparks.com.
- Date:
- Fri, 10/24/2025
- Time:
- 3:30 pm - 5:00 pm
- Where:
- Irvine Regional Park
- Difficulty Rating:
- 1
- Minimum Age:
- All Ages
- Spaces Left:
- Registration for this event opens at 12:00am on 10/10/2025
