Select a language:

Thursday Morning Trek: Limestone Canyon and Dripping Springs

This week in OC Parks’ 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.

Please note that you will be asked to adhere to the following measures in order to participate:

  • Be registered in advance, no walk-up registration is permitted.
  • Arrive with all necessary equipment to keep you safe on the trail, including water, proper attire, and closed-toe footwear, first aid, health needs etc.
  • Restrooms will be available, but facilities will not be sanitized for each individual.
  • All participants are required to sign a liability waiver upon arrival at the staging area and before beginning the activity. The waiver can be previewed here: IRC Liability Waiver
  • You may be prevented from participating if you do not adhere to the above protocols.

Additionally, in an effort to respect and protect all employees, volunteers, and participants, please do not sign up or attend if you are not feeling well, exhibiting any symptoms of illness or have been in recent contact with someone who was ill.

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. To learn more about the staging areas and activity locations, please visit our Staging Areas Playlist page.

Learn more and register here.

Weir Canyon Hike to the Overlook Trail

Demonstration Garden Maintenance: Native Seed Farm

Visitors to IRC’s Native Seed Farm are first greeted by our Demonstration Garden, providing inspiration for regionally suitable plant gardens. Our garden hosts a variety of native plant species which support a healthy local ecosystem!

IRC Volunteers are invited to help at our monthly Garden Maintenance Day! Our tasks each day are to be determined, but we’ll be tackling whatever jobs are a top priority to keep our Garden teeming with native plant life. Weeding, clearing, cutting, digging, watering, whatever it takes! Activities may include bending, stooping, crouching, squatting, long periods of standing, reaching, pulling, grabbing, and pushing.

Just like all settings on the Landmarks, please always be aware of your surroundings. There may be unseen and hidden dangers in the area, as well as wildlife crossing through finding refuge. Please be sure to follow all instructions provided to you from your lead during this activity and follow standard trail protocols, including remaining in areas that are designated for your use only.

Please note that you will be asked to adhere to the following measures in order to participate:

  • Be registered in advance, no walk-up registration is permitted.
  • Arrive with all necessary equipment to keep you safe on the trail, including water, proper attire, and closed-toe footwear, first aid, health needs etc.
  • Restrooms will be available, but facilities will not be sanitized for each individual.
  • All participants are required to sign a liability waiver upon arrival at the staging area and before beginning the activity. The waiver can be previewed here: IRC Liability Waiver
  • You may be prevented from participating if you do not adhere to the above protocols.

Additionally, in an effort to respect and protect all employees, volunteers, and participants, please do not sign up or attend if you are not feeling well, exhibiting any symptoms of illness or have been in recent contact with someone who was ill.

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. To learn more about the staging areas and activity locations, please visit our Staging Areas Playlist page.

Learn more and register here.

What’s Buzzing at the Native Seed Farm: Native Plants and their Pollinators

Starry, Starry Night

Come join us for an interactive evening under the stars.  Immerse yourself in a scaled-down version of our solar system.  Test your imagination in naming the constellations.  Reenact the struggle between Orion and the Scorpion.  The hike will average 2-3 miles round trip at an easy pace with a high level of interpretation. This program is for participants who would like a slower-paced hike. Wear comfortable clothes and sturdy shoes and bring water for the hike. This activity is designed with kids ages 5 – 12 in mind but, everyone is welcome.

Please note that you will be asked to adhere to the following measures during the activity in order to participate:

  • Be registered in advance, no walk-up registration is permitted.
  • Arrive with all necessary equipment to keep you safe on the trail, including water, proper attire, and closed-toe footwear, first aid, health needs etc.
  • Restrooms will be available, but facilities will not be sanitized for each individual.
  • All participants are required to sign a liability waiver upon arrival at the staging area and before beginning the activity. The waiver can be previewed here: IRC Liability Waiver
  • You may be prevented from participating if you do not adhere to the above protocols.

Children under the age of 5 are permitted to attend the hike if they are secured in a carrier for the duration of the hike. Strollers or all terrain wagons are not permitted.

Additionally, in an effort to respect and protect all employees, volunteers, and participants, please do not sign up or attend if you are not feeling well, exhibiting any symptoms of illness or have been in recent contact with someone who was ill.

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.

Learn more and register here.

Starry Starry night

After Work Fitness Hike on Paved Hicks Haul Road

Join us every Wednesday night in OC Parks’ 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.

Please note that you will be asked to adhere to the following measures in order to participate:

  • Be registered in advance, no walk-up registration is permitted.
  • Arrive with all necessary equipment to keep you safe on the trail, including water, proper attire, and closed-toe footwear, first aid, health needs etc.
  • Restrooms will be available, but facilities will not be sanitized for each individual.
  • All participants are required to sign a liability waiver upon arrival at the staging area and before beginning the activity. The waiver can be previewed here: IRC Liability Waiver
  • You may be prevented from participating if you do not adhere to the above protocols.

Additionally, in an effort to respect and protect all employees, volunteers, and participants, please do not sign up or attend if you are not feeling well, exhibiting any symptoms of illness or have been in recent contact with someone who was ill.

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.

Learn more and register here.

Hikers on Hicks Haul Road

After Work Cardio Hike in Limestone Canyon: Limestone Ridge

Come along with us on this afternoon fitness hike through beautiful Limestone Canyon Nature Preserve. 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 is a 10 mile fitness hike, completed in 3 hours and includes a 1000+ foot elevation change. The hike is for experienced, physically fit hikers who enjoy the challenge of multiple steep climbs and descents.
Please come prepared with a sturdy day pack, water, snacks, closed-toe hiking shoes or boots, sunscreen, first aid, and all other supplies to keep you safe and healthy on the trail on this very fast hike in the wilderness area.

Each participant must carry their own day pack and water and be comfortable hiking an average moving pace of 3-3.5 miles per hour. Please make sure you bring a minimum of 70 oz. (2 quarts) of water and trail snacks. Under-prepared participants may be denied access to this program. Please come prepared.

Please note that you will be asked to adhere to the following measures during the activity in order to participate:

  • Be registered in advance, no walk-up registration is permitted.
  • Arrive with all necessary equipment to keep you safe on the trail, including water, proper attire, and closed-toe footwear, first aid, health needs etc.
  • Restrooms will be available, but facilities will not be sanitized for each individual.
  • All participants are required to sign a liability waiver upon arrival at the staging area and before beginning the activity. The waiver can be previewed here: IRC Liability Waiver
  • You may be prevented from participating if you do not adhere to the above protocols.

Additionally, in an effort to respect and protect all employees, volunteers, and participants, please do not sign up or attend if you are not feeling well, exhibiting any symptoms of illness or have been in recent contact with someone who was ill.

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

Learn more and register here.

Large colorful cliff with green valley below and puffy clouds above

Crazy 8 Hike in Red Rock Wilderness

Join us on this moderate paced fitness hike in OC Parks Red Rock Wilderness Park. We will hike around 8 miles at a 3.5 mph pace through coastal sage brush and see views of the surrounding Limestone and Black Star Wilderness areas. This hike is designed for fit individuals who relish the challenge of a brisk outdoor adventure.  Please bring a minimum 70 oz. of 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. Each participant must carry his or her own pack and water. Under-prepared participants may be denied access to this activity.

Please note that you will be asked to adhere to the following measures in order to participate:

  • Be registered in advance, no walk-up registration is permitted.
  • Arrive with all necessary equipment to keep you safe on the trail, including water, proper attire, and closed-toe footwear, first aid, health needs etc.
  • Restrooms will be available, but facilities will not be sanitized for each individual.
  • All participants are required to sign a liability waiver upon arrival at the staging area and before beginning the activity. The waiver can be previewed here: IRC Liability Waiver
  • You may be prevented from participating if you do not adhere to the above protocols.

Additionally, in an effort to respect and protect all employees, volunteers, and participants, please do not sign up or attend if you are not feeling well, exhibiting any symptoms of illness or have been in recent contact with someone who was ill.

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. To learn more about the staging areas and activity locations, please visit our Staging Areas Playlist page.

Learn more and register here.

Red Rock Wilderness Equestrian

Nature Hike at Red Rock Wilderness

Visit Red Rock Wilderness, part of OC Parks’ Irvine Ranch Open Space, and explore OC Parks’ newest trails!

This slow-paced hike offers an approachable experience for all skill levels to embrace their senses and explore the local flora and fauna. The hike will cover 3 to 4.5 miles with elevation gain. Hike through a variety of habitats then up a single-track trail with switchbacks and elevation gain to different overlook points with a spectacular view of Orange County.

Please bring water, sunscreen, hat, and any other necessary equipment to keep you safe on the trail and wear sturdy, closed-toe hiking shoes. Participants must be able to hike up to 4.5 miles with an elevation gain of 500 feet at an average moving rate of 2-3 miles per hour. Each hiker must carry their own water and supplies.

Please note that you will be asked to adhere to the following measures in order to participate:

  • Be registered in advance, no walk-up registration is permitted.
  • Arrive with all necessary equipment to keep you safe on the trail, including water, proper attire, and closed-toe footwear, first aid, health needs etc.
  • Restrooms will be available, but facilities will not be sanitized for each individual.
  • All participants are required to sign a liability waiver upon arrival at the staging area and before beginning the activity. The waiver can be previewed here: IRC Liability Waiver
  • You may be prevented from participating if you do not adhere to the above protocols.

Additionally, in an effort to respect and protect all employees, volunteers, and participants, please do not sign up or attend if you are not feeling well, exhibiting any symptoms of illness or have been in recent contact with someone who was ill.

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.

Learn more and register here.

Red Rock Wilderness

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. During this hike in the Irvine Ranch Open Space, you may travel at various hiking speeds based on your comfort level.  This out-and-back program travels 3.5 miles round trip up to scenic Loma Ridge and back down. Please bring a red-tinted flashlight as the return portion of the hike may be after sunset.

Please note that you will be asked to adhere to the following measures in order to participate:

  • Be registered in advance, no walk-up registration is permitted.
  • Arrive with all necessary equipment to keep you safe on the trail, including water, proper attire, and closed-toe footwear, first aid, health needs etc.
  • Restrooms will be available, but facilities will not be sanitized for each individual.
  • All participants are required to sign a liability waiver upon arrival at the staging area and before beginning the activity. The waiver can be previewed here: IRC Liability Waiver
  • You may be prevented from participating if you do not adhere to the above protocols.

Additionally, in an effort to respect and protect all employees, volunteers, and participants, please do not sign up or attend if you are not feeling well, exhibiting any symptoms of illness or have been in recent contact with someone who was ill.

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. To learn more about the staging areas and activity locations, please visit our Staging Areas Playlist page.

Learn more and register here.

Cloudy orange and yellow sky at sunset over a dark cityscape view

Butterfly Series: Limestone Canyon Butterfly Habitat Islands

Spend your morning helping to remove weeds and rebuild berms within the butterfly habitat islands in Limestone. With your help we will be able to maintain “islands” of host and nectar plants for butterflies in decline in Limestone Canyon. You will be transported from via a safari style truck from butterfly island to butterfly island through a beautiful oak woodland.

Please note that you will be asked to adhere to the following measures in order to participate:

  • Be registered in advance, no walk-up registration is permitted.
  • Arrive with all necessary equipment to keep you safe on the trail, including water, proper attire, and closed-toe footwear, first aid, health needs etc.
  • Restrooms will be available, but facilities will not be sanitized for each individual.
  • All participants are required to sign a liability waiver upon arrival at the staging area and before beginning the activity. The waiver can be previewed here: IRC Liability Waiver
  • You may be prevented from participating if you do not adhere to the above protocols.

Additionally, in an effort to respect and protect all employees, volunteers, and participants, please do not sign up or attend if you are not feeling well, exhibiting any symptoms of illness or have been in recent contact with someone who was ill.

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.

Learn more and register here.

Nature Butterfly

Enjoy Nature's Story, Vistas, and Special Places - Intro Hike in Weir Canyon to Ox Cart Monument

Join us on a slow-paced hike along the back-country ridges and valleys of Weir Canyon, part of OCParks’ Irvine Ranch Open Space. We’ll travel on rough old ranch roads passing by woodlands of majestic oak trees and expanses of Coastal Sage Scrub and enjoy wonderful vistas. Total round-trip distance is 5 miles with an elevation gain of 500 feet at an average moving rate of 2.0-2.5 miles per hour. Some of the hills are strenuous and we will take breaks as needed. Participants should be in good hiking condition and have previously completed a similar distance hike. Please come prepared with a backpack, plenty of water (at least 1 liter), snacks, sturdy closed-toe hiking shoes or boots, sunscreen, first aid kit, and all 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.

Please note that you will be asked to adhere to the following measures in order to participate:

  • Be registered in advance, no walk-up registration is permitted.
  • Arrive with all necessary equipment to keep you safe on the trail, including water, proper attire, and closed-toe footwear, first aid, health needs etc.
  • Restrooms will be available, but facilities will not be sanitized for each individual.
  • All participants are required to sign a liability waiver upon arrival at the staging area and before beginning the activity. The waiver can be previewed here: IRC Liability Waiver
  • You may be prevented from participating if you do not adhere to the above protocols.

Additionally, in an effort to respect and protect all employees, volunteers, and participants, please do not sign up or attend if you are not feeling well, exhibiting any symptoms of illness or have been in recent contact with someone who was ill.

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.

Learn more and register here.

Our Magnificent Oaks Interpretive Hike
Subscribe to