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 10, 2025
Wilderness Access Day: Gypsum Canyon Wilderness

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 irvineranchopenspace@ocparks.com 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.
Please review our Trail Tips page and FAQ page to prepare for your experience in the wilderness area.
Saturday, May 17, 2025
Scouting Out Nature: the Coastal Sage Scrub habitat of Shady Canyon

Join this teen and ‘tween youth-friendly hike (minimum age 10) departing from Nix Nature center into the pristine habitat of Shady Canyon. We’ll hike 5 miles on a mix of single-track trails and old ranch roads. Our hike will start with a climb that rewards us with spectacular views of the surrounding hills. We will then enter the backcountry of Shady Canyon and its mature Coastal Sage community, then finally return along the ridge with fantastic views overlooking Laguna Canyon.
About the Hike
This hike has an elevation gain of 1,000 feet and we’ll be moving at a moderate rate of 2–3 miles per hour with frequent brief stops as we encounter native plants and signs of animals. Some of the hills are strenuous and we will take breaks as needed. Participants must be in good physical condition, have a good attitude, and wear sturdy closed-toe shoes.
Learning Objectives
Brief trailside presentations will cover skills useful for independently enjoying the open spaces during wilderness access days including map & compass use, animal & plant identification, hazards & safety, Leave No Trace principles, and conservation service project opportunities.
Specifics for Scouts
Each registered Scouting program adult volunteer may sign up as a household with up to four participating youth under their supervision. Scouting program participants will have the opportunity for experiential learning in the following areas:
Girl Scouts USA journeys: Trail Adventure, Eco Trekker
ScoutsBSA requirements: 2nd class 3a–c, 4; 1st class 4b, 5a; Nature merit badge 4–6
Age: 10 or older. Participants under 18 must be accompanied by a parent or guardian. See ‘Specific for Scouts’ section above for exceptions.
Location: Nix Nature Center, Laguna Coast Wilderness Park (18751 Laguna Canyon Road, Laguna Beach 92651, East side of Laguna Canyon Rd/SR-133)
Parking: $3/car at Nix Nature Center parking lot. Parking is limited; carpooling is encouraged.
Difficulty Rating: 3/5
Materials: Please come prepared with the trail essentials: a backpack, plenty of water (at least 1 liter), snacks, sturdy closed-toe hiking shoes or boots, sun protection, first aid kit, and any other supplies to keep you safe and healthy on the trail. Each hiker must carry their own water and supplies. Under-prepared participants may be denied access to the event.
Safety precautions and protocols:
Advanced registration required. Every individual, including children, must be registered. Register here.
Group sizes are minimized for safety purposes. For group registrations or questions please email volunteer@lagunacanyon.org
Participants must individually sign a waiver at the beginning of the program. For participants under 18, a parent or guardian must sign the waiver.
To protect all employees, volunteers, and participants, please do not attend if you are not feeling well, have symptoms of illness or have been in contact with someone who was ill.
Contact volunteer@lagunacanyon.org with any questions.
Weather, including high temperatures and wet or muddy trail conditions, may lead to cancellation of this event.
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.
Wilderness Access Day: Red Rock Wilderness
Come explore OC Parks’ newest trails at Red Rock Wilderness through this self-guided opportunity.
Located within OC Parks’ Irvine Ranch Open Space, Red Rock Wilderness features more than 8 miles of new trails for hiking, mountain biking and horseback riding along with a scenic overlook that offers 360-degree views of the nearby iconic red rocks, Black Star Canyon Wilderness, Irvine Lake, Santiago Canyon and beyond. 3 miles of multi-use trails within Loma Ridge Nature Preserve, part of OC Parks’ Irvine Ranch Open Space, will also be accessible for hiking, mountain biking and horseback riding.
Visitors will have the opportunity to provide voluntary feedback about Red Rock Wilderness through on-site participation surveys and offer naming suggestions for several unnamed trails.
Rain or inclement weather will cancel the program. Advance registration required. Learn more and register here.
Wilderness Access Day: Red Rock Wilderness, Equestrian

Come explore OC Parks’ newest trails at Red Rock Wilderness through this self-guided opportunity.
Located within OC Parks’ Irvine Ranch Open Space, Red Rock Wilderness features more than 8 miles of new trails for hiking, mountain biking and horseback riding along with a scenic overlook that offers 360-degree views of the nearby iconic red rocks, Black Star Canyon Wilderness, Irvine Lake, Santiago Canyon and beyond. 3 miles of multi-use trails within Loma Ridge Nature Preserve, part of OC Parks’ Irvine Ranch Open Space, will also be accessible for hiking, mountain biking and horseback riding.
Visitors will have the opportunity to provide voluntary feedback about Red Rock Wilderness through on-site participation surveys and offer naming suggestions for several unnamed trails.
Rain or inclement weather will cancel the program. Advance registration required. Learn more and register here.
Saturday, May 24, 2025
Wilderness Access Day: Saddleback Wilderness

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 irvineranchopenspace@ocparks.com to coordinate parking.
Come explore 3.3 miles of new trails at Saddleback Wilderness, part of OC Parks’ Irvine Ranch Open Space, through this self-guided opportunity. Designated trails will be open for self-guided hiking, biking and equestrian use. There are multiple trail loop options which vary in distance and level of difficulty. Choices range from an easy one-mile loop to multiple figure-8 configurations for those looking to maximize their mileage. Regardless of distance, nearly all options feature scenic views including a destination vista point offering 360-degree perspectives from the mountains to the sea.
Please review our Trail Tips page and FAQ page to prepare for your experience in the wilderness area.
Saturday, June 7, 2025
Wilderness Access Day: Limestone Canyon

PRE-REGISTRATION is REQUIRED for this event.
All participants are required to have, a printed copy or on their phone, the confirmation email to show through the window of their vehicle to drive through the entry gate.
You will need the confirmation email for you and your guests to enter the trail system.
Start your weekend off by exploring numerous opportunities found throughout magnificent Limestone Canyon. Designated trails will be open for self-guided trail use in OC Parks’ Irvine Ranch Open Space. Trail routes vary in distance and level of difficulty with choices ranging from easy one-hour walks to strenuous 15-mile cardio treks. Whether traveling by feet or wheels, Wilderness Access Day in Limestone Canyon is a treasure waiting to be discovered by hikers and mountain bikers alike.
Participants will want to plan their day successfully by using Trail Tips to prepare.
Wilderness Access Day: Limestone Canyon, Equestrian

PRE-REGISTRATION is REQUIRED for this event.
All participants are required to have, a printed copy or on their phone, the confirmation email to show through the window of their vehicle to drive through the entry gate.
You will need the confirmation email for you and your guests to enter the trail system.
Come experience Limestone Canyon’s beauty from the back of your horse. Designated trails will be open for self-guided access hiking, biking, and equestrian use during Wilderness Access Day in Limestone Canyon. Equestrian riders who have trail riding experience with a fit and able horse will enjoy the historic ranch roads of days gone by. Take in the awe-inspiring vistas from the mighty ridge tops and drink in the cool canyon shade through the oak grove.
There is limited space for equestrian parking. Riders must also have the ability to transport their horse to the staging area.
Saturday, June 14, 2025
Wilderness Access Day: Gypsum Canyon Wilderness

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 irvineranchopenspace@ocparks.com 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.
Please review our Trail Tips page and FAQ page to prepare for your experience in the wilderness area.
Saturday, June 21, 2025
Scouting Out Nature: the Coastal Sage Scrub habitat of Shady Canyon

Join this teen and ‘tween youth-friendly hike (minimum age 10) departing from Nix Nature center into the pristine habitat of Shady Canyon. We’ll hike 5 miles on a mix of single-track trails and old ranch roads. Our hike will start with a climb that rewards us with spectacular views of the surrounding hills. We will then enter the backcountry of Shady Canyon and its mature Coastal Sage community, then finally return along the ridge with fantastic views overlooking Laguna Canyon.
About the Hike
This hike has an elevation gain of 1,000 feet and we’ll be moving at a moderate rate of 2–3 miles per hour with frequent brief stops as we encounter native plants and signs of animals. Some of the hills are strenuous and we will take breaks as needed. Participants must be in good physical condition, have a good attitude, and wear sturdy closed-toe shoes.
Learning Objectives
Brief trailside presentations will cover skills useful for independently enjoying the open spaces during wilderness access days including map & compass use, animal & plant identification, hazards & safety, Leave No Trace principles, and conservation service project opportunities.
Specifics for Scouts
Each registered Scouting program adult volunteer may sign up as a household with up to four participating youth under their supervision. Scouting program participants will have the opportunity for experiential learning in the following areas:
Girl Scouts USA journeys: Trail Adventure, Eco Trekker
ScoutsBSA requirements: 2nd class 3a–c, 4; 1st class 4b, 5a; Nature merit badge 4–6
Age: 10 or older. Participants under 18 must be accompanied by a parent or guardian. See ‘Specific for Scouts’ section above for exceptions.
Location: Nix Nature Center, Laguna Coast Wilderness Park (18751 Laguna Canyon Road, Laguna Beach 92651, East side of Laguna Canyon Rd/SR-133)
Parking: $3/car at Nix Nature Center parking lot. Parking is limited; carpooling is encouraged.
Difficulty Rating: 3/5
Materials: Please come prepared with the trail essentials: a backpack, plenty of water (at least 1 liter), snacks, sturdy closed-toe hiking shoes or boots, sun protection, first aid kit, and any other supplies to keep you safe and healthy on the trail. Each hiker must carry their own water and supplies. Under-prepared participants may be denied access to the event.
Safety precautions and protocols:
Advanced registration required. Every individual, including children, must be registered. Register here.
Group sizes are minimized for safety purposes. For group registrations or questions please email volunteer@lagunacanyon.org
Participants must individually sign a waiver at the beginning of the program. For participants under 18, a parent or guardian must sign the waiver.
To protect all employees, volunteers, and participants, please do not attend if you are not feeling well, have symptoms of illness or have been in contact with someone who was ill.
Contact volunteer@lagunacanyon.org with any questions.
Weather, including high temperatures and wet or muddy trail conditions, may lead to cancellation of this event.
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.
Wilderness Access Day: Red Rock Wilderness
Come explore OC Parks’ newest trails at Red Rock Wilderness through this self-guided opportunity.
Located within OC Parks’ Irvine Ranch Open Space, Red Rock Wilderness features more than 8 miles of new trails for hiking, mountain biking and horseback riding along with a scenic overlook that offers 360-degree views of the nearby iconic red rocks, Black Star Canyon Wilderness, Irvine Lake, Santiago Canyon and beyond. 3 miles of multi-use trails within Loma Ridge Nature Preserve, part of OC Parks’ Irvine Ranch Open Space, will also be accessible for hiking, mountain biking and horseback riding.
Visitors will have the opportunity to provide voluntary feedback about Red Rock Wilderness through on-site participation surveys and offer naming suggestions for several unnamed trails.
Rain or inclement weather will cancel the program. Advance registration required. Learn more and register here.
Wilderness Access Day: Red Rock Wilderness, Equestrian

Come explore OC Parks’ newest trails at Red Rock Wilderness through this self-guided opportunity.
Located within OC Parks’ Irvine Ranch Open Space, Red Rock Wilderness features more than 8 miles of new trails for hiking, mountain biking and horseback riding along with a scenic overlook that offers 360-degree views of the nearby iconic red rocks, Black Star Canyon Wilderness, Irvine Lake, Santiago Canyon and beyond. 3 miles of multi-use trails within Loma Ridge Nature Preserve, part of OC Parks’ Irvine Ranch Open Space, will also be accessible for hiking, mountain biking and horseback riding.
Visitors will have the opportunity to provide voluntary feedback about Red Rock Wilderness through on-site participation surveys and offer naming suggestions for several unnamed trails.
Rain or inclement weather will cancel the program. Advance registration required. Learn more and register here.
Saturday, June 28, 2025
Wilderness Access Day: Saddleback Wilderness

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 irvineranchopenspace@ocparks.com to coordinate parking.
Come explore 3.3 miles of new trails at Saddleback Wilderness, part of OC Parks’ Irvine Ranch Open Space, through this self-guided opportunity. Designated trails will be open for self-guided hiking, biking and equestrian use. There are multiple trail loop options which vary in distance and level of difficulty. Choices range from an easy one-mile loop to multiple figure-8 configurations for those looking to maximize their mileage. Regardless of distance, nearly all options feature scenic views including a destination vista point offering 360-degree perspectives from the mountains to the sea.
Please review our Trail Tips page and FAQ page to prepare for your experience in the wilderness area.