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.
Friday, April 7, 2023
Bommer Canyon Exploration Day
Enjoy self-guided access in the southern portion of Irvine’s Open Space Preserve. The entire southern Open Space Preserve trail network will be open for self-guided hiking and biking from 8 am to 1 pm. This includes the single-tracks in Shady Canyon and Bommer Canyon that are reserved for guided activities only. Registration is required for this event. The Bommer Canyon Cattle Camp will be available for parking, but please take note that your vehicle must be removed from the Cattle Camp area by 1 pm.
Special Notice: Parking at the Bommer Canyon Cattle Camp is extremely limited due to ongoing construction, and will be available on a first come-first serve basis. Additional parking may be available at the Bommer Canyon Trailhead and Turtle Rock Community Park. Alternate parking options also include the Quail Hill Trailhead, Quail Hill Community Center and Laguna Coast Wilderness Park.
- Date:
- Fri, 04/07/2023
- Time:
- 8:00 AM - 1:00 PM
- Where:
- Bommer Canyon
- Difficulty Rating:
- Variable
- Distance:
- Variable
- Minimum Age:
- All Ages
- Family Friendly:
- Yes
- Spaces Left:
- 45 of 100
Saturday, April 15, 2023
Wilderness Access Day: Bommer Canyon
Enjoy self-guided access in the southern portion of Irvine’s Open Space Preserve. The entire southern Open Space Preserve trail network will be open for self-guided hiking and biking from 8 am to 2 pm. This includes the single-tracks in Shady Canyon and Bommer Canyon that are reserved for guided activities only. Registration is not required for this event, though it is shown on the website. If you need driving directions, please use the online registration to receive a map and instructions for getting to Bommer. The Bommer Canyon Cattle Camp will be available for parking, but please take note that your vehicle must be removed from the Cattle Camp area by 2 pm.
Special Notice: Parking at the Bommer Canyon Cattle Camp is extremely limited due to ongoing construction and will be available on a first come-first serve basis. Additional parking may be available at the Bommer Canyon Trailhead and Turtle Rock Community Park. Alternate parking options also include the Quail Hill Trailhead, Quail Hill Community Center and Laguna Coast Wilderness Park.
- Date:
- Sat, 04/15/2023
- Time:
- 8:00 AM - 2:00 PM
- Where:
- Bommer Canyon
- Difficulty Rating:
- Variable
- Distance:
- Variable
- Minimum Age:
- All Ages
- Family Friendly:
- Yes
- Spaces Left:
- 161 of 200
Saturday, May 20, 2023
Wilderness Access Day: Bommer Canyon
Enjoy self-guided access in the southern portion of Irvine’s Open Space Preserve. The entire southern Open Space Preserve trail network will be open for self-guided hiking and biking from 8 am to 2 pm. This includes the single-tracks in Shady Canyon and Bommer Canyon that are reserved for guided activities only. Registration is not required for this event, though it is shown on the website. If you need driving directions, please use the online registration to receive a map and instructions for getting to Bommer. The Bommer Canyon Cattle Camp will be available for parking, but please take note that your vehicle must be removed from the Cattle Camp area by 2 pm.
Special Notice: Parking at the Bommer Canyon Cattle Camp is extremely limited due to ongoing construction and will be available on a first come-first serve basis. Additional parking may be available at the Bommer Canyon Trailhead and Turtle Rock Community Park. Alternate parking options also include the Quail Hill Trailhead, Quail Hill Community Center and Laguna Coast Wilderness Park.
- Date:
- Sat, 05/20/2023
- Time:
- 8:00 AM - 2:00 PM
- Where:
- Bommer Canyon
- Difficulty Rating:
- Variable
- Distance:
- Variable
- Minimum Age:
- All Ages
- Family Friendly:
- Yes
- Spaces Left:
- Registration for this event opens at 8:00am on 04/20/2023
Saturday, June 17, 2023
Wilderness Access Day: Bommer Canyon
Enjoy self-guided access in the southern portion of Irvine’s Open Space Preserve. The entire southern Open Space Preserve trail network will be open for self-guided hiking and biking from 8 am to 2 pm. This includes the single-tracks in Shady Canyon and Bommer Canyon that are reserved for guided activities only. Registration is not required for this event, though it is shown on the website. If you need driving directions, please use the online registration to receive a map and instructions for getting to Bommer. The Bommer Canyon Cattle Camp will be available for parking, but please take note that your vehicle must be removed from the Cattle Camp area by 2 pm.
Special Notice: Parking at the Bommer Canyon Cattle Camp is extremely limited due to ongoing construction and will be available on a first come-first serve basis. Additional parking may be available at the Bommer Canyon Trailhead and Turtle Rock Community Park. Alternate parking options also include the Quail Hill Trailhead, Quail Hill Community Center and Laguna Coast Wilderness Park.
- Date:
- Sat, 06/17/2023
- Time:
- 8:00 AM - 2:00 PM
- Where:
- Bommer Canyon
- Difficulty Rating:
- Variable
- Distance:
- Variable
- Minimum Age:
- All Ages
- Family Friendly:
- Yes
- Spaces Left:
- Registration for this event opens at 8:00am on 05/17/2023
