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
Friday, June 27, 2025
Early Morning Hike: Gypsum Canyon Wilderness
Come explore beautiful Gypsum Canyon Wilderness, the northernmost portion of OC Parks’ Irvine Ranch Open Space. This scenic hike involves steep climbs and descents on several single-track trails and is done at an average moving pace of 3 miles per hour. The rewards are many: panoramic views of Fremont and Weir Canyon Nature Preserves and beyond, possible wildlife sightings, interesting rock formations, and beautiful wildflowers in season.
- Date:
- Fri, 06/27/2025
- Time:
- 6:30 am - 9:30 am
- Where:
- Gypsum Canyon Wilderness
- Difficulty Rating:
- 4
- Distance:
- 6.5 miles
- Minimum Age:
- 18
- Spaces Left:
- 12 of 20
Wednesday, July 2, 2025
Early Morning Hike: Gypsum Canyon Wilderness
Come explore Gypsum Canyon Wilderness, the northernmost portion of OC Parks’ Irvine Ranch Open Space. This scenic hike involves steep climbs and descents on several single-track trails and is done at an average moving pace of 3 miles per hour. The rewards are many: panoramic views of Fremont and Weir Canyon Nature Preserves and beyond, possible wildlife sightings, interesting rock formations, and beautiful wildflowers in season.
- Date:
- Wed, 07/02/2025
- Time:
- 6:30 am - 9:30 am
- Where:
- Gypsum Canyon Wilderness
- Difficulty Rating:
- 4
- Distance:
- 6.5 miles
- Minimum Age:
- 18
- Spaces Left:
- 19 of 20
Thursday, July 10, 2025
Nature Hike at Gypsum Canyon Wilderness
Explore the beauty of OC Parks’ Irvine Ranch Open Space on a 3–4.5 mile guided hike through Gypsum Canyon Wilderness. We’ll begin along the Oven Canyon Trail, passing through mixed habitats, and then ascend a single-track trail with switchbacks leading to three scenic overlook points offering spectacular views of Orange County.
This hike includes an elevation gain of approximately 500 feet and maintains an average moving pace of 3 miles per hour.
Please come prepared with:
-
Water (each hiker must carry their own)
-
Sunscreen and a hat
-
Sturdy, closed-toe hiking shoes
-
Any personal gear needed to stay safe and comfortable on the trail
Participants must be capable of completing the full distance with elevation gain. We look forward to seeing you on the trail!
- Date:
- Thu, 07/10/2025
- Time:
- 4:30 pm - 7:30 pm
- Where:
- Gypsum Canyon Wilderness
- Difficulty Rating:
- 3
- Distance:
- Variable
- Minimum Age:
- 16
- Spaces Left:
- Registration for this event opens at 8:00am on 06/25/2025
Saturday, July 12, 2025
Wilderness Access Day: Gypsum Canyon
Access is first come, first served until parking capacity is reached. No registration required.
Equestrians, while space is not guaranteed we encourage you to please email info@irconservancy.org to coordinate parking.
Come explore 6 miles of new trails at Gypsum Canyon Wilderness through this self-guided opportunity.
Located within OC Parks’ Irvine Ranch Open Space, Gypsum Canyon Wilderness features seven new trails for hiking, mountain biking and horseback riding. Two lookout points offer sweeping views of the surrounding canyons and unique prehistoric rock formations. Multiple loop options that vary in distance and range from easy to moderate in difficulty are available for self-guided exploration.
Gypsum Canyon Wilderness is comprised of protected and preserved native habitats that a variety of wildlife, including mule deer, red-tailed hawks, California gnatcatchers and bobcats, call home.
Rain or inclement weather will cancel the program.
Gypsum Canyon Wilderness is located at 390 South Gypsum Canyon Road, Anaheim, CA 92887.
- Date:
- Sat, 07/12/2025
- Time:
- 8:00 am - 2:00 pm
- Where:
- Gypsum Canyon Wilderness
- Difficulty Rating:
- Variable
- Minimum Age:
- All Ages
- Family Friendly:
- Yes
Saturday, August 9, 2025
Wilderness Access Day: Gypsum Canyon
Access is first come, first served until parking capacity is reached. No registration required.
Equestrians, while space is not guaranteed we encourage you to please email info@irconservancy.org to coordinate parking.
Come explore 6 miles of new trails at Gypsum Canyon Wilderness through this self-guided opportunity.
Located within OC Parks’ Irvine Ranch Open Space, Gypsum Canyon Wilderness features seven new trails for hiking, mountain biking and horseback riding. Two lookout points offer sweeping views of the surrounding canyons and unique prehistoric rock formations. Multiple loop options that vary in distance and range from easy to moderate in difficulty are available for self-guided exploration.
Gypsum Canyon Wilderness is comprised of protected and preserved native habitats that a variety of wildlife, including mule deer, red-tailed hawks, California gnatcatchers and bobcats, call home.
Rain or inclement weather will cancel the program.
Gypsum Canyon Wilderness is located at 390 South Gypsum Canyon Road, Anaheim, CA 92887.
- Date:
- Sat, 08/09/2025
- Time:
- 8:00 am - 2:00 pm
- Where:
- Gypsum Canyon Wilderness
- Difficulty Rating:
- Variable
- Minimum Age:
- All Ages
- Family Friendly:
- Yes
Friday, August 29, 2025
Early Morning Hike: Gypsum Canyon Wilderness
Come explore Gypsum Canyon Wilderness, the northernmost portion of OC Parks’ Irvine Ranch Open Space. This scenic hike involves steep climbs and descents on several single-track trails and is done at an average moving pace of 3 miles per hour. The rewards are many: panoramic views of Fremont and Weir Canyon Nature Preserves and beyond, possible wildlife sightings, interesting rock formations, and beautiful wildflowers in season.
- Date:
- Fri, 08/29/2025
- Time:
- 6:30 am - 9:30 am
- Where:
- Gypsum Canyon Wilderness
- Difficulty Rating:
- 4
- Distance:
- 6.5 miles
- Minimum Age:
- 18
- Spaces Left:
- Registration for this event opens at 8:00am on 08/14/2025
Thursday, September 11, 2025
Nature Hike at Gypsum Canyon Wilderness
Explore the beauty of OC Parks’ Irvine Ranch Open Space on a 3–4.5 mile guided hike through Gypsum Canyon Wilderness. We’ll begin along the Oven Canyon Trail, passing through mixed habitats, and then ascend a single-track trail with switchbacks leading to three scenic overlook points offering spectacular views of Orange County.
This hike includes an elevation gain of approximately 500 feet and maintains an average moving pace of 3 miles per hour.
Please come prepared with:
-
Water (each hiker must carry their own)
-
Sunscreen and a hat
-
Sturdy, closed-toe hiking shoes
-
Any personal gear needed to stay safe and comfortable on the trail
Participants must be capable of completing the full distance with elevation gain. We look forward to seeing you on the trail!
- Date:
- Thu, 09/11/2025
- Time:
- 4:00 pm - 7:00 pm
- Where:
- Gypsum Canyon Wilderness
- Difficulty Rating:
- 3
- Distance:
- Variable
- Minimum Age:
- 16
- Spaces Left:
- Registration for this event opens at 8:00am on 08/27/2025
Saturday, September 13, 2025
Wilderness Access Day: Gypsum Canyon
Access is first come, first served until parking capacity is reached. No registration required.
Equestrians, while space is not guaranteed we encourage you to please email info@irconservancy.org to coordinate parking.
Come explore 6 miles of new trails at Gypsum Canyon Wilderness through this self-guided opportunity.
Located within OC Parks’ Irvine Ranch Open Space, Gypsum Canyon Wilderness features seven new trails for hiking, mountain biking and horseback riding. Two lookout points offer sweeping views of the surrounding canyons and unique prehistoric rock formations. Multiple loop options that vary in distance and range from easy to moderate in difficulty are available for self-guided exploration.
Gypsum Canyon Wilderness is comprised of protected and preserved native habitats that a variety of wildlife, including mule deer, red-tailed hawks, California gnatcatchers and bobcats, call home.
Rain or inclement weather will cancel the program.
Gypsum Canyon Wilderness is located at 390 South Gypsum Canyon Road, Anaheim, CA 92887.
- Date:
- Sat, 09/13/2025
- Time:
- 8:00 am - 2:00 pm
- Where:
- Gypsum Canyon Wilderness
- Difficulty Rating:
- Variable
- Minimum Age:
- All Ages
- Family Friendly:
- Yes
Monday, September 22, 2025
Early Morning Hike Fall Equinox Hike: Gypsum Canyon Wilderness
Come explore Gypsum Canyon Wilderness, the northernmost portion of OC Parks’ Irvine Ranch Open Space. This scenic hike involves steep climbs and descents on several single-track trails and is done at an average moving pace of 3 miles per hour. The rewards are many: panoramic views of Fremont and Weir Canyon Nature Preserves and beyond, possible wildlife sightings, interesting rock formations, and beautiful wildflowers in season.
- Date:
- Mon, 09/22/2025
- Time:
- 7:00 am - 10:00 am
- Where:
- Gypsum Canyon Wilderness
- Difficulty Rating:
- 4
- Distance:
- 6.5 miles
- Minimum Age:
- 18
- Spaces Left:
- Registration for this event opens at 8:00am on 09/07/2025
Friday, October 31, 2025
testing #2 WAD
- Date:
- Fri, 10/31/2025
- Time:
- 9:00 am - 3:00 pm
- Where:
- Gypsum Canyon Wilderness
- Difficulty Rating:
- 1
- Minimum Age:
- 12
- Spaces Left:
- Registration for this event opens at 8:00am on 10/30/2025
