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.

Irvine Ranch Conservancy is committed to providing a safe and respectful environment for all participants, volunteers, and employees. Certain offensive behaviors, including problematic language or attacks based on race, color, religion, national origin, sex, sexual orientation, gender identity or expression, age, disability, or veteran status will not be tolerated. Participating in certain offensive behaviors may lead to dismissal from activities.

 

    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.

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Found 469 Events

Monday, March 25, 2024

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:
Mon, 03/25/2024
Time:
10:00 AM - 2:00 PM
Where:
Weir Canyon Nature Preserve
Difficulty Rating:
3
Distance:
5 miles
Minimum Age:
18
Spaces Left:
8 of 10
More Information  

Volunteer Stewardship – Gypsum Canyon

Stewardship
Volunteer Stewardship - Gypsum Canyon

Invasive Removal: Sahara Mustad and Tree Tobacco

Coordinated with IRC Staff Isaac Ostmann

Safari Vehicle #42 is assigned. Volunteers will drive along Gypsum Canyon Road from staging area, stopping at past infestation sites.

Volunteer Stewardship - Gypsum Canyon
Date:
Mon, 03/25/2024
Time:
12:30 PM - 4:30 PM
Where:
Gypsum Canyon Wilderness
Difficulty Rating:
3
Distance:
0 miles
Minimum Age:
18
More Information  

Twilight Beginner Cardio Hike in Limestone Canyon

Hiking & Fitness
Twilight Beginner Cardio Hike in Limestone Canyon

Limestone Canyon is a treasure waiting to be discovered. Join us for an early evening, moderately-paced, 5.5-mile beginning cardio hike. The hike may include a few short rest stops along the way and will be a great introduction to fitness, cardio-style hikes as well as OCParks’ magnificent Irvine Ranch Open Space.  Views of Limestone Canyon, and the surrounding wilderness, from Limestone Ridge will be the highlight of our tour.

Please bring a minimum of 48 oz. water. Come prepared with a pack, sturdy closed-toed hiking shoes or boots, sunscreen, first aid, and all other supplies to keep you safe and healthy on the trail for this beginner cardio-paced (3-3.5 mph with very few stops) hike in a wilderness area. Each participant must carry his or her own pack and water.  Under-prepared participants may be denied access to this program.

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.

Twilight Beginner Cardio Hike in Limestone Canyon
Date:
Mon, 03/25/2024
Time:
5:00 PM - 7:00 PM
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
3
Distance:
5.5 miles
Minimum Age:
18
Spaces Left:
13 of 20
More Information  

Bommer Canyon Preserve Full Moon Hike

Hiking & Fitness
Bommer Canyon Preserve Full Moon Hike

Experience the serenity of Bommer Canyon Preserve under a full moon during this moderate-paced hike in the Irvine Open Space Preserve. We’ll experience mature coastal sage scrub and fantastic sunset views overlooking the city of Irvine and the hillsides to the north. This hike is just over 3 miles and includes 700 feet of total climbing elevation with several very steep inclines. The steepest section ascends 300 feet in a quarter-mile. Participants must be in good physical condition.

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.

Bommer Canyon Preserve Full Moon Hike
Date:
Mon, 03/25/2024
Time:
5:30 PM - 8:00 PM
Where:
Bommer Canyon Preserve
Difficulty Rating:
3
Distance:
3 miles
Minimum Age:
12
Spaces Left:
Full
More Information  

After Work Fitness Hike on Paved Hicks Haul Road

Hiking & Fitness
After Work Fitness Hike on Paved Hicks Haul Road

Join us every Monday night for a fitness-focused hike on the paved Hicks Haul Road in the Irvine Open Space Preserve. During the spring, summer and fall, hikers will enjoy wonderful sunset views and a panoramic overview of Orange County. This hike travels about 3.5 miles, up to the top of Loma Ridge and back down. The hike is conducted at about 3-3.5 miles per hour, but you may travel a bit faster or slower, at a walk, run, or jog depending on your comfort level. Most participants finish the route in about 1 hour. Because of the paved surface of the road, you may wear regular running or walking shoes. Trail shoes are fine, but not required. Please bring adequate water!

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.

After Work Fitness Hike on Paved Hicks Haul Road
Date:
Mon, 03/25/2024
Time:
6:00 PM - 7:30 PM
Where:
Irvine Open Space Preserve
Difficulty Rating:
3
Distance:
3.5 miles
Minimum Age:
16
Spaces Left:
18 of 25
More Information  

Tuesday, March 26, 2024

Hike to The Sinks: Limestone Canyon

Hiking & Fitness
Hike to The Sinks: Limestone Canyon

Come along with us on this morning hike through beautiful Limestone Canyon Nature Preserve, part of OC Parks’ Irvine Ranch Open Space. You’ll be rewarded with a spectacular view of The Sinks as well as sweeping views of Orange County and the Santa Ana Mountains. This hike involves steep climbs and descents on both double and single-track trails.

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.

Hike to The Sinks: Limestone Canyon
Date:
Tue, 03/26/2024
Time:
7:00 AM - 11:00 AM
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
4
Distance:
10 miles
Minimum Age:
18
Spaces Left:
11 of 15
More Information  

Tuesday Morning Fitness Hike on Paved Hicks Haul Road

Hiking & Fitness
Tuesday Morning Fitness Hike on Paved Hicks Haul Road

Ready for a workout? Forget the gym for the day and head outside! Join us for an exhilarating morning fitness hike on the paved Hicks Haul Road in OCParks’ Irvine Ranch Open Space. This hike allows you to choose between a 3, 6, or 8 mile route, all of which are conducted at the speed of about 3.0 to 3.5 miles per hour. The footing on the asphalt paved road is smoother than dirt roads and single track trails normally found in Limestone Canyon Nature Preserve, but is beginning to show its age with cracks, crevices and an occasional dip. Otherwise, the terrain is smooth, so this is a great walk for anyone who wants a “wilderness experience” without getting dirty! The 6 and 8 mile routes experience two fairly steep ascents and descents. The 3 mile route takes you to the top of Loma Ridge and back down. Along the way, you will have sweeping views of much of Orange County and the Santa Ana Mountains. Various animals, like hawks, deer, and lizards are also frequently seen in this area.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-3/4 activity on the land. Please visit our FAQ page for answers to activity specific questions you may have prior to registering.

Tuesday Morning Fitness Hike on Paved Hicks Haul Road
Date:
Tue, 03/26/2024
Time:
7:30 AM - 10:30 AM
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
3
Distance:
8 miles
Minimum Age:
16
Spaces Left:
20 of 25
More Information  

Dripping Springs Trail Restoration

Stewardship
Dripping Springs Trail Restoration

Spend the morning planting Coast Live Oak seedlings within a beautiful oak woodland and then hike to Dripping Springs, a natural water source dripping out of an earthquake fault and down a gorgeous fern-covered rock face. Your work on the trail will benefit the rare plants and animals that this unique feature supports!

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.

Dripping Springs Trail Restoration
Date:
Tue, 03/26/2024
Time:
9:00 AM - 1:00 PM
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
3
Distance:
3.5 miles
Minimum Age:
18
Spaces Left:
1 of 10
More Information  

Evening Hike on Hicks Haul Road

Hiking & Fitness
Evening Hike on Hicks Haul Road

Enjoy an evening hike through stunning rock formations and fragrant native plants as you listen to the sounds of nature. This hike in the Irvine Open Space Preserve is done at an easy walking pace. This out-and-back program travels 3.5 miles round trip to scenic Loma Ridge and back down. Please bring a red-tinted flashlight as the return portion of the hike may be after sunset.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-2 activity on the land. Please visit our FAQ page for answers to activity specific questions you may have prior to registering.

Evening Hike on Hicks Haul Road
Date:
Tue, 03/26/2024
Time:
6:00 PM - 7:30 PM
Where:
Irvine Open Space Preserve
Difficulty Rating:
2
Distance:
3.5 miles
Minimum Age:
12
Spaces Left:
18 of 25
More Information  

Wednesday, March 27, 2024

Growing Together at the Native Seed Farm

Stewardship
Growing Together at the Native Seed Farm

Looking for a way to give back to Nature this Winter? Come help us behind the scenes at the Irvine Ranch Conservancy’s one-of-a-kind Native Seed Farm in Irvine! Every day at the farm is different; depending on the needs of the farm we will be harvesting seeds from beautiful native plants, planting new seeds in the annual plots, working in our native plant demo garden, or tending to younger seedlings in our nursery.

Working with us at the Native Seed Farm is a great way to grow your community and cultivate knowledge about local plant and wildlife! Absolutely no experience or special equipment required! 

Reviewing the 1-5 Difficulty Ratings will help you evaluate your readiness to participate in this Level 2 activity. Activities may include bending, stooping, crouching, squatting, long periods of standing, reaching, pulling, grabbing, and pushing.

Please note our Minors Policy for all public activities: All minors (under 18 years of age) must be accompanied by their respective parent or legal guardian. Both parent and their accompanying minor(s) must be registered for the Irvine Ranch Conservancy led activity they wish to attend.

Growing Together at the Native Seed Farm
Date:
Wed, 03/27/2024
Time:
8:00 AM - 11:00 AM
Where:
Native Seed Farm OCP
Difficulty Rating:
2
Minimum Age:
8
Spaces Left:
14 of 15
More Information  

Intro Cardio Hike: Fremont Canyon Lakeview

Hiking & Fitness
Intro Cardio Hike: Fremont Canyon Lakeview

Come enjoy a scenic evening cardio hike in the remote Fremont Canyon Nature Preserve, part of OCParks’ Irvine Ranch Open Space. Our hike climbs steeply from the mouth of Fremont Canyon along the Lakeview Trail overlooking Irvine Lake. Upon reaching our turnaround point, we’ll head back the same way, descending to our starting point. This challenging hike involves steep climbs and an 1100’ elevation gain but the rewards are sweeping views of Fremont at sunset. Please arrive 15 minutes early and come prepared with a sturdy pack, water, closed-toe hiking shoes or boots, sunscreen, first aid, and all other supplies to keep you safe and healthy on the trail.

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.

Intro Cardio Hike: Fremont Canyon Lakeview
Date:
Wed, 03/27/2024
Time:
4:00 PM - 6:15 PM
Where:
Fremont Canyon Nature Preserve
Difficulty Rating:
4
Distance:
4.5 miles
Minimum Age:
18
Spaces Left:
21 of 25
More Information  

Gypsum Canyon Cardio Hike

Hiking & Fitness
Gypsum Canyon Cardio Hike

Prepare for an invigorating adventure in the newly opened Gypsum Canyon Wilderness with our Cardio Hike. This 4.5-mile, fast-paced trek is designed to get your heart racing as you conquer 800 feet of elevation gain. Immerse yourself in the pristine wilderness, where you may encounter breathtaking sights and wildlife as you push your limits. This Cardio Hike in Gypsum Canyon Wilderness is tailored for those seeking a heart-pounding, fitness-enhancing adventure in the great outdoors. Whether you’re an experienced hiker looking to challenge yourself or a newcomer eager to explore, this hike promises a dynamic blend of natural beauty, exercise, and possible wildlife encounters. As you ascend and descend the rugged trails, you’ll not only strengthen your body but also nourish your soul with the splendor of nature. Don’t miss this opportunity to connect with the wilderness and improve your fitness. Join us for an unforgettable journey through Gypsum Canyon Wilderness on our Wilderness Cardio Hike!

Wear comfortable, weather-appropriate clothing and suitable hiking shoes to navigate the terrain. Each participant is required to carry a minimum of 32 oz (946 ml) of water. Staying hydrated is essential, especially during a cardio hike. Energizing snacks will help keep your energy levels up as you tackle the elevation gain. Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-5 activity on the land. Please visit our FAQ page for answers to activity specific questions you may have prior to registering.

Gypsum Canyon Cardio Hike
Date:
Wed, 03/27/2024
Time:
5:30 PM - 7:30 PM
Where:
Gypsum Canyon Wilderness
Difficulty Rating:
5
Distance:
4.5 miles
Minimum Age:
18
Spaces Left:
18 of 25
More Information  

After Work Fitness Hike on Paved Hicks Haul Road

Hiking & Fitness
After Work Fitness Hike on Paved Hicks Haul Road

Join us every Wednesday night in OCParks’ Irvine Ranch Open Space for a fitness-focused hike on the paved Hicks Haul Road. During the spring, summer and fall, hikers will enjoy wonderful sunset views and a panoramic overview of Orange County. This hike travels about 3.5 miles, up to the top of Loma Ridge and back down. The hike is conducted at an average of 3-3.5 miles per hour, but you may travel a bit faster or slower, at a walk, run, or jog depending on your comfort level. Most participants finish the route in about 1 hour. Because of the paved surface of the road, you may wear regular running or walking shoes. Trail shoes are fine, but not required. Please bring adequate water!

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.

After Work Fitness Hike on Paved Hicks Haul Road
Date:
Wed, 03/27/2024
Time:
6:00 PM - 7:30 PM
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
3
Distance:
3.5 miles
Minimum Age:
16
Spaces Left:
18 of 25
More Information  

Thursday, March 28, 2024

Fremont Loop Distance Hike

Hiking & Fitness
Fremont Loop Distance Hike

Join us for an extremely challenging and strenuous hiking adventure in the scenic Fremont Canyon Wilderness Area. This 16-mile loop hike is for experienced, physically fit distance hikers. The hike is on fire/SCE dirt roads with numerous significantly steep, unrelenting climbs and descents. We hike the entire rim of Fremont Canyon, passing by an abandoned coal mine, the Fremont Weather Station and the remnants of a rare stand of Tecate cypress. Along the way we’ll have sweeping views of Orange County, the Santa Ana Mountains and surrounding mountain ranges.

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

Fremont Loop Distance Hike
Date:
Thu, 03/28/2024
Time:
7:00 AM - 3:00 PM
Where:
Fremont Canyon Nature Preserve
Difficulty Rating:
5
Distance:
16 miles
Minimum Age:
18
Spaces Left:
9 of 15
More Information  

Thursday Morning Trek: Limestone Canyon and Dripping Springs

Hiking & Fitness
Thursday Morning Trek: Limestone Canyon and Dripping Springs

This week in OCParks’ Irvine Ranch Open Space, we’ll hike in Limestone Canyon to Dripping Springs. The hike is a 7-mile loop hike which includes some hills and descents. In addition to the springs, we will enjoy panoramic views of the wildlands from East Loma. Please bring water, a trail snack, sun screen, hat, and any other necessary equipment to keep you safe on the trail, and wear sturdy, closed-toe hiking boots. Participants must be able to hike 7 miles with an elevation gain of 1300 feet at an average moving rate of 3 miles per hour. Each hiker must carry his/her own water and supplies.

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.

Thursday Morning Trek: Limestone Canyon and Dripping Springs
Date:
Thu, 03/28/2024
Time:
7:30 AM - 11:00 AM
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
4
Distance:
7 miles
Minimum Age:
16
Spaces Left:
8 of 20
More Information  

Evening Hike on Hicks Haul Road

Hiking & Fitness
Evening Hike on Hicks Haul Road

Enjoy an evening hike through stunning rock formations and fragrant native plants as you listen to the sounds of nature. This hike in the Irvine Open Space Preserve is done at an easy walking pace. This out-and-back program travels 3.5 miles round trip to scenic Loma Ridge and back down. Please bring a red-tinted flashlight as the return portion of the hike may be after sunset.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-2 activity on the land. Please visit our FAQ page for answers to activity specific questions you may have prior to registering.

Evening Hike on Hicks Haul Road
Date:
Thu, 03/28/2024
Time:
6:00 PM - 7:30 PM
Where:
Irvine Open Space Preserve
Difficulty Rating:
2
Distance:
3.5 miles
Minimum Age:
12
Spaces Left:
16 of 25
More Information  

Friday, March 29, 2024

Toddler Treks

Interpretive
Toddler Treks

Spending time outside is one of the best ways to nurture curiosity and instill a love of the natural world. Bring your young ones and join OC Parks staff to learn all about the Newport Back Bay.

Our Toddler Treks program is offered every Friday from 10:00-10:45am and includes a story time, an age-appropriate hike, and a themed craft. Each week will focus on a different topic that encourages young ones to learn about the outdoors.

The program begins at the Peter and Mary Muth Interpretive Center. Program content is tailored for the preschool level (ages 2-5), but all are welcome to attend. Please wear comfortable attire and closed-toe shoes.

Advance registration is required.

Adverse weather conditions may move the program indoors or cancel it.

Toddler Treks
Date:
Fri, 03/29/2024
Time:
10:00 AM - 10:45 AM
Where:
Upper Newport Bay
Difficulty Rating:
1
Minimum Age:
All Ages
Family Friendly:
Yes
Spaces Left:
13 of 45
More Information  

Saturday, March 30, 2024

Advanced Cardio Hike: Limestone

Hiking & Fitness
Advanced Cardio Hike: Limestone

Join us for a strenuous, extremely challenging, fast-paced, early morning cardio hike in Limestone Canyon, part of OCParks’ Irvine Ranch Open Space. Along the way we’ll be rewarded with panoramic views of Orange County and possible wildlife sightings.  This is an 8 mile cardio hike, completed in 2.5+ hours, includes a 1000+ foot elevation change. This hike is for experienced, physically fit hikers who enjoy the challenge of multiple steep climbs and descents. This hike is much faster than a regular walking hike. We average four (4) miles per hour fast-paced and is extremely difficult over steep terrain in the wilderness setting.

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

Advanced Cardio Hike: Limestone
Date:
Sat, 03/30/2024
Time:
6:30 AM - 9:00 AM
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
5
Distance:
8 miles
Minimum Age:
18
Spaces Left:
18 of 20
More Information  

Photo Journey Limestone Canyon: The Sinks, Loma Ridge Backcountry and Sunset

Interpretive
Photo Journey Limestone Canyon: The Sinks, Loma Ridge Backcountry and Sunset

Join us in the back-country wilderness for a journey filled with beautiful sights that are photographic and artistic sketching opportunities. Our journey begins in the afternoon. We will be deep in a secluded canyon, where time is measured in centuries, even millennia, in the sandstone cliffs of this ancient place called Limestone Canyon.
You will board a 4-wheel drive vehicle for a 13-mile tour of the canyon and hills surrounding it. We will stop frequently for 15-30 minutes to admire the views, take photos, sketch landscapes, and answer questions. Stops will include short walks with views of The Sinks, a trip up Cactus and Markel Spur, with optional, single track, one-mile hike into Box Springs or a 1.5 mile Markel Spur to East Sinks loop hike. Both the Box Springs and Markel Spur hikes provide the visitor a true back-country experience. An alternative, but similar, hiking trail may be used.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-2 activity on the land. Please visit our FAQ page for answers to activity specific questions you may have prior to registering.

Photo Journey Limestone Canyon: The Sinks, Loma Ridge Backcountry and Sunset
Date:
Sat, 03/30/2024
Time:
1:30 PM - 5:30 PM
Where:
Limestone Canyon Nature Preserve
Difficulty Rating:
2
Distance:
16 miles
Minimum Age:
16
Spaces Left:
Full
More Information  

Sunday, March 31, 2024

Advanced Distance Hike: Bommer Canyon

Hiking & Fitness
Advanced Distance Hike: Bommer Canyon

The title says it all. This is your chance to venture deep in the Irvine Open Space Preserve. Join us for a challenging and beautiful adventure. Hiking distance is up to 14 miles and is designed for advanced hikers. Participants must be physically fit and have distance hiking experience. Singletrack trails, steep climbs and descents are numerous on this route, with over 2,400 feet of accumulated climbing elevation. Most months, the route stays in the Irvine Open Space Preserve for its entirety, but will occasionally feature hiking to the sea and back: beginning in Bommer, the hike will head into Crystal Cove State Park, then pass through Laguna Coast Wilderness Park before returning to the Irvine preserve.

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

Advanced Distance Hike: Bommer Canyon
Date:
Sun, 03/31/2024
Time:
7:00 AM - 1:00 PM
Where:
Bommer Canyon Preserve
Difficulty Rating:
5
Distance:
14 miles
Minimum Age:
18
Spaces Left:
18 of 20
More Information  
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