Activities and Programs

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.

Monday, February 6, 2023

Early Morning Advanced Hike: Santiago Oaks to Weir

Hiking & Fitness
Early Morning Advanced Hike:  Santiago Oaks to Weir

Join us on this early morning advanced hike with Irvine Ranch Conservancy enjoying parks adjacent to OCParks’ Irvine Ranch Open Space and through beautiful Weir Canyon Nature Preserve. You will go through two parks adjacent to the Landmarks, they are OC Parks managed Regional Parks (Irvine Regional, Santiago Oaks Regional)  We start in Irvine Regional Park, hike over to Santiago Oaks, and finish with a scenic hike down beautiful Weir Canyon. Distance is 8 miles with several steep climbs and descents.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-4 activity on the land. Please visit our FAQ page for answers to activity specific questions you may have prior to registering.

Early Morning Advanced Hike:  Santiago Oaks to Weir
Date:
Mon, 02/06/2023
Time:
7:00 AM - 10:00 AM
Where:
Weir Canyon Nature Preserve
Difficulty Rating:
4
Distance:
7.5 miles
Minimum Age:
18
Spaces Left:
1 of 10
More Information  

Tuesday, February 7, 2023

CANCELLED due to Trail Conditions: Nurturing Oaks in Weir Canyon

Stewardship
CANCELLED due to Trail Conditions: Nurturing Oaks in Weir Canyon

Spend the morning in a beautiful oak woodland watering Coast Live Oak seedlings in Weir Canyon. To get to the planting site we will travel for 15 minutes in a safari style truck giving you majestic views of Weir Canyon. We will be planting using shovels and small handheld tools. No experience necessary.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-2 activity on the land.

CANCELLED due to Trail Conditions: Nurturing Oaks in Weir Canyon
Date:
Tue, 02/07/2023
Time:
9:00 AM - 1:00 PM
Where:
Weir Canyon Nature Preserve
Difficulty Rating:
3
Distance:
5 miles
Minimum Age:
14
Spaces Left:
9 of 10
More Information  

Sunday, February 12, 2023

Weir Canyon Fitness Hike: Oaks to Overlook Loop

Hiking & Fitness
Weir Canyon Fitness Hike: Oaks to Overlook Loop

Enjoy miles of lush oak studded canyons, fascinating rock formations and sweeping views from the Overlook Trail in the tranquility of the Weir Canyon back country, part of OCParks’ Irvine Ranch Open Space. On a clear day we’ll be rewarded with glorious views of the San Gabriel and Santa Ana mountains. This is a FAST-paced fitness hike, and features an 1800 ft accumulated elevation gain. There are multiple steep climbs and steep descents. Please make sure you are in excellent physical condition! You must be able to hike uphill at an average pace of 3 mph without stopping. A backpack and water are required. Please bring snack, sun screen, hat and wear sturdy closed-toe shoes.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-4 activity on the land. Please visit our FAQ page for answers to activity specific questions you may have prior to registering.

Weir Canyon Fitness Hike: Oaks to Overlook Loop
Date:
Sun, 02/12/2023
Time:
7:00 AM - 11:00 AM
Where:
Weir Canyon Nature Preserve
Difficulty Rating:
4
Distance:
9.5 miles
Minimum Age:
16
Spaces Left:
15 of 20
More Information  

Sunday, February 19, 2023

Intro to Cardio Hike: Weir Canyon Rifle Range Loop

Hiking & Fitness
Intro to Cardio Hike: Weir Canyon Rifle Range Loop

Thinking the cardio hikes might be too fast for you? If so, join us in beautiful Weir Canyon for this slightly slower introduction to cardio hiking. Along the trail, you’ll pass through coastal sage scrub, grasslands, and oak woodlands where deer and bobcats are frequently observed. Multiple steep climbs and descents, and sweeping views, are included throughout this 6-mile hike. Please make sure you are in excellent physical condition! Even though this is a slower cardio hike, it is faster than a walk. You must be able to hike 3+ miles per hour the entire time without stopping.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-3 activity on the land. Please review our Trail Tips and FAQ pages to ensure you arrive prepared for this hike.

Intro to Cardio Hike: Weir Canyon Rifle Range Loop
Date:
Sun, 02/19/2023
Time:
7:00 AM - 10:00 AM
Where:
Weir Canyon Nature Preserve
Difficulty Rating:
3
Distance:
6 miles
Minimum Age:
16
Spaces Left:
Registration for this event opens at 8:00am on 02/11/2023
More Information  

Thursday, February 23, 2023

Equestrian Ride: Discover The Natural Wonders Of Weir Canyon

Equestrian
Equestrian Ride: Discover The Natural Wonders Of Weir Canyon

Be prepared to experience the beauty and wonder of Weir Canyon, part of OCParks’ Irvine Ranch Open Space, steeped in history and lore, on this morning equestrian ride. The ride will travel through Weir Canyon, where the trail weaves its way through a beautiful oak woodland inhabited by deer, coyote, bobcat, and many different birds. You will travel the route of the Butterfield Stage and see a monument dedicated to the Mexican ox cart drivers. If time permits, we will climb to the Two Tower vista point to look at distant views. This ride travels on wide trails with several easy to moderate climbs. Equestrians who have trail riding experience and their own fit and able horse are welcome. You will need to transport your horse to the staging area. Owners of unshod horses, please note that footing will include areas of gravel and distances over asphalt pavement. Please bring water on the ride.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-3 activity on the land. Please visit our FAQ page for answers to activity specific questions you may have prior to registering.

Equestrian Ride: Discover The Natural Wonders Of Weir Canyon
Date:
Thu, 02/23/2023
Time:
10:00 AM - 2:00 PM
Where:
Weir Canyon Nature Preserve
Difficulty Rating:
3
Distance:
5 miles
Minimum Age:
18
Spaces Left:
Registration for this event opens at 8:00am on 02/15/2023
More Information  

Saturday, February 25, 2023

Explore Weir Canyon: Animal Signs and Tracks

Interpretive
Explore Weir Canyon: Animal Signs and Tracks

Come join us as we hike 5 miles through the lovely Weir Canyon, part of OCParks’ Irvine Ranch Open Space. Before our hike starts a brief introduction to animal tracks and scats will be given. Along our journey, we will be looking for any signs animals might have left behind for us to find. Tracks, scats, and other signs are out there waiting for us to find them!

Please come prepared with plenty (50 oz) of water, closed-toe shoes, and a sturdy hiking backpack. Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-3 activity on the land. Please visit our FAQ page for answers to activity specific questions you may have prior to registering.

Explore Weir Canyon: Animal Signs and Tracks
Date:
Sat, 02/25/2023
Time:
8:00 AM - 11:30 AM
Where:
Weir Canyon Nature Preserve
Difficulty Rating:
3
Distance:
5 miles
Minimum Age:
12
Spaces Left:
Registration for this event opens at 8:00am on 02/17/2023
More Information  

Saturday, March 4, 2023

Sahara Mustard Removal in Upper Weir Canyon

Stewardship
Sahara Mustard Removal in Upper Weir Canyon

Sahara Mustard is an invasive nonnative plant on the OCParks’ Irvine Ranch Open Space. Please join us in our efforts to reduce the spread and impact of this weed! Unfortunately, Sahara Mustard has made its way into Weir Canyon. Early and aggressive removal of this plant will help minimize the spread of this invasive species.

We will meet at Parking Lot C in Irvine Regional Park and use a safari type vehicle to drive to the site. This activity takes place on some uneven terrain, and sturdy hiking boots are highly recommended. Training and tools will be provided to ensure your safety and comfort.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-3 activity on the land. Please visit our FAQ page for answers to activity specific questions you may have prior to registering.

Sahara Mustard Removal in Upper Weir Canyon
Date:
Sat, 03/04/2023
Time:
8:30 AM - 12:30 PM
Where:
Weir Canyon Nature Preserve
Difficulty Rating:
3
Distance:
0 miles
Minimum Age:
18
Spaces Left:
Registration for this event opens at 8:00am on 02/24/2023
More Information  

Tuesday, March 7, 2023

Nurturing Oaks in Weir Canyon

Stewardship
Nurturing Oaks in Weir Canyon

Spend the morning in a beautiful oak woodland watering Coast Live Oak seedlings in Weir Canyon. To get to the planting site we will travel for 15 minutes in a safari style truck giving you majestic views of Weir Canyon. We may be using shovels and small handheld tools. No experience necessary.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-2 activity on the land.

Nurturing Oaks in Weir Canyon
Date:
Tue, 03/07/2023
Time:
9:00 AM - 1:00 PM
Where:
Weir Canyon Nature Preserve
Difficulty Rating:
3
Distance:
5 miles
Minimum Age:
14
Spaces Left:
Registration for this event opens at 8:00am on 02/27/2023
More Information  

Sunday, March 12, 2023

Weir Canyon Fitness Hike: Oaks to Overlook Loop

Hiking & Fitness
Weir Canyon Fitness Hike: Oaks to Overlook Loop

Enjoy miles of lush oak studded canyons, fascinating rock formations and sweeping views from the Overlook Trail in the tranquility of the Weir Canyon back country, part of OCParks’ Irvine Ranch Open Space. On a clear day we’ll be rewarded with glorious views of the San Gabriel and Santa Ana mountains. This is a FAST-paced fitness hike, and features an 1800 ft accumulated elevation gain. There are multiple steep climbs and steep descents. Please make sure you are in excellent physical condition! You must be able to hike uphill at an average pace of 3 mph without stopping. A backpack and water are required. Please bring snack, sun screen, hat and wear sturdy closed-toe shoes.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-4 activity on the land. Please visit our FAQ page for answers to activity specific questions you may have prior to registering.

Weir Canyon Fitness Hike: Oaks to Overlook Loop
Date:
Sun, 03/12/2023
Time:
7:00 AM - 11:00 AM
Where:
Weir Canyon Nature Preserve
Difficulty Rating:
4
Distance:
9.5 miles
Minimum Age:
16
Spaces Left:
Registration for this event opens at 8:00am on 03/04/2023
More Information  

Tuesday, March 14, 2023

Weir Canyon Hike to the Overlook Trail

Hiking & Fitness
Weir Canyon Hike to the Overlook Trail

Join us as we explore Weir Canyon. We will hike up over Rifle Range and continue to the Overlook Trail where we will be rewarded with sweeping views of the Irvine Ranch Natural Landmarks and more distant views of the Palos Verdes Peninsula, Los Angeles Basin, and Cleveland National Forest. We will return through a beautiful oak woodland. Please wear hiking shoes/boots and bring water, a trail snack, sunscreen, hat, and any other necessary equipment to keep you safe on the trail. Each hiker must carry their own water and supplies. A red-tinted flashlight or headlamp is recommended. Participants must be able to hike 9+ miles with an accumulated elevation gain of 1800 feet at an average moving rate of 3 miles per hour.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-4 activity on the land.

Please visit our FAQ page for answers to activity specific questions you may have prior to registering.

Weir Canyon Hike to the Overlook Trail
Date:
Tue, 03/14/2023
Time:
7:30 AM - 12:00 PM
Where:
Weir Canyon Nature Preserve
Difficulty Rating:
4
Distance:
9.5 miles
Minimum Age:
18
Spaces Left:
Registration for this event opens at 8:00am on 03/06/2023
More Information  

Sunday, March 19, 2023

Intro to Cardio Hike: Weir Canyon Rifle Range Loop

Hiking & Fitness
Intro to Cardio Hike: Weir Canyon Rifle Range Loop

Thinking the cardio hikes might be too fast for you? If so, join us in beautiful Weir Canyon for this slightly slower introduction to cardio hiking. Along the trail, you’ll pass through coastal sage scrub, grasslands, and oak woodlands where deer and bobcats are frequently observed. Multiple steep climbs and descents, and sweeping views, are included throughout this 6-mile hike. Please make sure you are in excellent physical condition! Even though this is a slower cardio hike, it is faster than a walk. You must be able to hike 3+ miles per hour the entire time without stopping.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-3 activity on the land. Please review our Trail Tips and FAQ pages to ensure you arrive prepared for this hike.

Intro to Cardio Hike: Weir Canyon Rifle Range Loop
Date:
Sun, 03/19/2023
Time:
7:00 AM - 10:00 AM
Where:
Weir Canyon Nature Preserve
Difficulty Rating:
3
Distance:
6 miles
Minimum Age:
16
Spaces Left:
Registration for this event opens at 8:00am on 03/11/2023
More Information  

Tuesday, March 21, 2023

Early Morning Advanced Hike: Santiago Oaks to Weir

Hiking & Fitness
Early Morning Advanced Hike:  Santiago Oaks to Weir

Join us on this early morning advanced hike with Irvine Ranch Conservancy enjoying parks adjacent to OCParks’ Irvine Ranch Open Space and through beautiful Weir Canyon Nature Preserve. You will go through two parks adjacent to the Landmarks, they are OC Parks managed Regional Parks (Irvine Regional, Santiago Oaks Regional)  We start in Irvine Regional Park, hike over to Santiago Oaks, and finish with a scenic hike down beautiful Weir Canyon. Distance is 8 miles with several steep climbs and descents.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-4 activity on the land. Please visit our FAQ page for answers to activity specific questions you may have prior to registering.

Early Morning Advanced Hike:  Santiago Oaks to Weir
Date:
Tue, 03/21/2023
Time:
7:00 AM - 10:00 AM
Where:
Weir Canyon Nature Preserve
Difficulty Rating:
4
Distance:
7.5 miles
Minimum Age:
18
Spaces Left:
Registration for this event opens at 8:00am on 03/13/2023
More Information  

Saturday, March 25, 2023

Explore Weir Canyon: Animal Signs and Tracks

Interpretive
Explore Weir Canyon: Animal Signs and Tracks

Come join us as we hike 5 miles through the lovely Weir Canyon, part of OCParks’ Irvine Ranch Open Space. Before our hike starts a brief introduction to animal tracks and scats will be given. Along our journey, we will be looking for any signs animals might have left behind for us to find. Tracks, scats, and other signs are out there waiting for us to find them!

Please come prepared with plenty (50 oz) of water, closed-toe shoes, and a sturdy hiking backpack. Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-3 activity on the land. Please visit our FAQ page for answers to activity specific questions you may have prior to registering.

Explore Weir Canyon: Animal Signs and Tracks
Date:
Sat, 03/25/2023
Time:
8:00 AM - 11:30 AM
Where:
Weir Canyon Nature Preserve
Difficulty Rating:
3
Distance:
5 miles
Minimum Age:
12
Spaces Left:
Registration for this event opens at 8:00am on 03/17/2023
More Information  

Monday, March 27, 2023

Monday Morning Super Trek: Weir Canyon to the Overlook Trail

Hiking & Fitness
Monday Morning Super Trek: Weir Canyon to the Overlook Trail

Come start your week with us on our Super Treks in the Landmarks. Join us as we explore Weir Canyon, part of OCParks’ Irvine Ranch Open Space. We will hike up over Rifle Range and continue to the Overlook Trail where we will be rewarded with sweeping views of the Irvine Ranch Natural Landmarks and more distant views of the Palos Verdes Peninsula, Los Angeles Basin, and Cleveland National Forest. We will return through a beautiful oak woodland. Please wear hiking shoes/boots and bring water, a trail snack, sunscreen, hat, and any other necessary equipment to keep you safe on the trail. Participants must be able to hike 9+ miles with an accumulated elevation gain of 1800 feet at an average moving rate of 3 miles per hour.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-4 activity on the land. Please visit our FAQ page for answers to activity specific questions you may have prior to registering.

Monday Morning Super Trek: Weir Canyon to the Overlook Trail
Date:
Mon, 03/27/2023
Time:
7:30 AM - 12:00 PM
Where:
Weir Canyon Nature Preserve
Difficulty Rating:
4
Distance:
9.5 miles
Minimum Age:
18
Spaces Left:
Registration for this event opens at 8:00am on 03/19/2023
More Information