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.
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Friday, May 23, 2025
Hangman’s Tree Monument Hike: Orchard Hills
Join us for a challenging and beautiful adventure as we hike to the Hangman’s Tree Monument on Loma Ridge. Hike distance is 6 miles and affords fantastic views along the way, spanning the Pacific coastline, San Gabriel peaks and the Santa Ana Mountains. Several very steep climbs and descents are part of this route. We’ll accumulate almost 1800 feet of climbing elevation.
- Date:
- Fri, 05/23/2025
- Time:
- 4:45 pm - 7:45 pm
- Where:
- Orchard Hills
- Difficulty Rating:
- 4
- Distance:
- 6 miles
- Minimum Age:
- 18
- Spaces Left:
- 13 of 20
Thursday, May 29, 2025
Thursday Morning Trek: Orchard Hills
Join us for a challenging and beautiful adventure as we hike to the Hangman’s Tree Monument on Loma Ridge. Hike distance is 6 miles and affords fantastic views along the way, spanning the Pacific coastline, San Gabriel peaks and the Santa Ana Mountains. Several very steep climbs and descents are part of this route. We’ll accumulate almost 1800 feet of climbing elevation along this route. Portions of the hike will take us around an avocado orchard that borders on the natural open space. Far-reaching views from the highest point reward your effort.
- Date:
- Thu, 05/29/2025
- Time:
- 7:30 am - 11:00 am
- Where:
- Orchard Hills
- Difficulty Rating:
- 4
- Distance:
- 6 miles
- Minimum Age:
- 18
- Spaces Left:
- Registration for this event opens at 8:00am on 05/14/2025
