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
Saturday, May 17, 2025
Family Hike: Agua Chinon
Enjoy an afternoon family hike in Agua Chinon, part of OC Parks’ Irvine Ranch Open Space. We hike a gradual climb of 500 ft elevation as we watch for red-tailed hawks and mule deer. This activity originates in the City of Irvine and travels into Limestone Canyon Nature Preserve. The hike will average 3 miles round trip at an easy pace with a medium level of interpretation. This program is for participants who would enjoy a slower-paced gradual climb hike. Hikers should be in good health able to do a beginning hike over a variety of terrains. Wear comfortable clothes and sturdy shoes and bring water for the hike. Be ready to enjoy the sounds and smells of early evening.
- Date:
- Sat, 05/17/2025
- Time:
- 5:00 pm - 7:30 pm
- Where:
- Limestone Canyon Nature Preserve
- Difficulty Rating:
- 2
- Distance:
- 3 miles
- Minimum Age:
- 5
- Family Friendly:
- Yes
- Spaces Left:
- 14 of 20
Thursday, June 12, 2025
Thursday Morning Trek: Agua Chinon and The Sinks
Come out and join us on a breathtaking hike from the Irvine Open Space Preserve into OC Parks’ Limestone Canyon Nature Preserve. This week’s docent-led hike begins in the Agua Chinon wash, continues to The Sinks, and may include a side trip to Box Springs, a natural year-round source of fresh water.
Maximum distance is just short of 8 miles, with some sustained climbing in one section. Participants must wear sturdy, closed-toe hiking shoes. Remember to pack plenty of water, sunscreen, a hat, and all other necessary equipment to keep you safe on the trail. This activity originates in the City of Irvine and travels into OC Parks’ Irvine Ranch Open Space.
- Date:
- Thu, 06/12/2025
- Time:
- 7:30 am - 11:00 am
- Where:
- Irvine Open Space Preserve
- Difficulty Rating:
- 4
- Distance:
- 8 miles
- Minimum Age:
- 16
- Spaces Left:
- Registration for this event opens at 8:00am on 05/28/2025
Saturday, June 14, 2025
Family Hike: Agua Chinon
Enjoy an afternoon family hike in Agua Chinon, part of OC Parks’ Irvine Ranch Open Space. We hike a gradual climb of 500 ft elevation as we watch for red-tailed hawks and mule deer. This activity originates in the City of Irvine and travels into Limestone Canyon Nature Preserve. The hike will average 3 miles round trip at an easy pace with a medium level of interpretation. This program is for participants who would enjoy a slower-paced gradual climb hike. Hikers should be in good health able to do a beginning hike over a variety of terrains. Wear comfortable clothes and sturdy shoes and bring water for the hike. Be ready to enjoy the sounds and smells of early evening.
- Date:
- Sat, 06/14/2025
- Time:
- 5:30 pm - 8:00 pm
- Where:
- Limestone Canyon Nature Preserve
- Difficulty Rating:
- 2
- Distance:
- 3 miles
- Minimum Age:
- 5
- Family Friendly:
- Yes
- Spaces Left:
- Registration for this event opens at 8:00am on 05/30/2025
