Wednesday, October 4, 2023
Distance Hike: Santiago Oaks to Weir Canyon

Join us on this early morning distance hike passing through Irvine and Santiago Oaks Regional Parks and crossing into beautiful Weir Canyon Nature Preserve, part of Irvine Ranch Open Space. Leaving Santiago Oaks, we head up Weir Canyon to a scenic overlook trail and then drop down to lower Weir Canyon, winding our way back to Irvine Regional Park. Distance is 9 – 12 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.
Sunday, October 8, 2023
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 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.
Thursday, October 12, 2023
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.
Monday, October 16, 2023
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.
Tuesday, October 17, 2023
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. Please visit our FAQ page for answers to activity specific questions you may have prior to registering.
Thursday, October 19, 2023
Enjoy Nature’s Story, Vistas, and Special Places – Intro Hike to Upper Weir Canyon

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 7 miles with an elevation gain of 700 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 1.5 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.
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.
Monday, October 23, 2023
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, November 6, 2023
Distance Hike: Santiago Oaks to Weir Canyon

Join us on this early morning distance hike passing through Irvine and Santiago Oaks Regional Parks and crossing into beautiful Weir Canyon Nature Preserve, part of Irvine Ranch Open Space. Leaving Santiago Oaks, we head up Weir Canyon to a scenic overlook trail and then drop down to lower Weir Canyon, winding our way back to Irvine Regional Park. Distance is 10 – 12 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.
Wednesday, November 15, 2023
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.
Thursday, November 16, 2023
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.
Sunday, November 19, 2023
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 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.
Tuesday, November 28, 2023
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. Please visit our FAQ page for answers to activity specific questions you may have prior to registering.
Tuesday, December 5, 2023
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.
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.
Saturday, December 9, 2023
Early Morning Hike: Weir Canyon

Join us on this early morning hike enjoying beautiful Weir Canyon Nature Preserve, part of OC Parks’ Irvine Ranch Open Space. Starting in Irvine Regional Park, we pass through Lower and Upper Weir Canyon to a scenic overlook. We then head down Upper Blind Canyon as we wind our way back to our starting point. This hike is around 9.5 miles with one significant climb and descent.
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.
Sunday, December 10, 2023
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 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.
Tuesday, December 19, 2023
Nurturing Oaks in Weir Canyon

Spend the morning in a beautiful oak woodland planting Coast Live Oak seedlings and native shrubs 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. Please visit our FAQ page for answers to activity specific questions you may have prior to registering.
Thursday, December 21, 2023
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.