Join us for a scenic, fast-paced, challenging distance hike in the beautiful Limestone Canyon Nature Preserve. This hike is for physically fit hikers who enjoy the challenge of multiple steep climbs and descents.  This 10 – 12 mile hike offers sweeping views of Orange County and the Santa Ana Mountains as well as possible wildlife sightings, will visit The Sinks, and and may include a visit to Dripping Springs.

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

Come explore the Irvine Ranch Natural Landmarks in your backyard! This scenic hike involves steep climbs and descents on both double and singletrack trails and around 1100’ of accumulated climbing elevation. Though challenging, the hike rewards you with sweeping views of the Irvine Ranch Natural Landmarks and Santa Ana Mountains. On clear days you can see Catalina Island and even beyond Orange County into the Los Angeles Basin.

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

Come out and enjoy the evening with us on the Orchard Hills loop trail. This trail meanders around an avocado orchard on the edge of the open space preserve and provides fantastic ridge-top views of Irvine and the Pacific coastline.

The three-mile loop has several very steep climbs, but the hike is done at a moderate pace. The effort is rewarded with a beautiful, unobstructed view to the west. Please bring water and wear sturdy shoes. This hike is not suitable for children under 12.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-3 activity on the land

Come join us for some after work exercise on the Mesa Loop. The hike will cover close to 3 miles round trip at a moderate pace and will offer us beautiful panoramic views of the surrounding canyons. Also keep your eyes open for any animals starting their nightly routines. Please bring water and wear sturdy shoes. A flashlight with a red tinted light is not required but might be nice to have as it will be dark out when we finish our hike.

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

Come enjoy a leisurely paced, 2-3 mph, hike in the Irvine Open Space. Get to know the nature around you as we explore Orchard Hills at that magic time just before and after sunset. We will walk around an avocado orchard that borders on the natural open space. Far-reaching views from the highest point reward your effort.

This Orchard Hills route is around 3 miles and includes several climbs. Please be prepared with water and closed toe sturdy shoes or boots, and all other necessary elements to keep you healthy on the trail.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-3 activity on the land.

Recharge your batteries with a refreshing mid-week hike through the Agua Chinon Wash in Limestone Canyon Nature Preserve. This hike will visit The Sinks and other possible destinations such as Box Springs, Loma Ridge, Limestone Ridge and Limestone Canyon.

This hike involves multiple steep climbs and descents, with 2100+ feet of accumulated climbing elevation, but is done at a moderate pace of approximately 3 mph. Please bring plenty of water, and wear sturdy shoes. Hike distance is 10-12 miles. This activity originates in the City of Irvine and travels into OC Parks’ Limestone Canyon Nature Preserve.

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

This week in the Irvine Ranch Open Space, we’ll hike in Limestone Canyon to Dripping Springs. The hike is 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 NOTE: This is a Fitness Hike; pace is approximately a 19 minute mile. Please arrive 15 minutes early.

Raise your heart rate and your spirits on this difficult, strenuous and fast-paced, 4.8-mile hike (400-ft. elevation gain) over very steep, uneven terrain with Laguna Canyon Foundation volunteers. Ages 18 and up. Laguna Coast Wilderness Park, Little Sycamore Canyon Staging Area/Nix Nature Center (west side of Laguna Canyon Road/SR-133, approximately 3.5 miles south of I-5/405). Online reservations required: www.lagunacanyon.org/activities. For questions, call 949-497-8324 Mon-Fri or 949-923-2235 Sat/Sun. Parking: $3/vehicle.

Join us for a strenuous, extremely challenging, fast-paced, afternoon cardio hike starting in Limestone Canyon. Along the way we’ll be rewarded with panoramic views of Orange County and possible wildlife sightings.
This is a 8.5 mile cardio hike, completed in 2.5 hours and includes a 1600+ foot elevation change. This hike is for experienced, physically fit hikers who enjoy the challenge of multiple steep climbs and descents.

There are no rest stops on this approximately 8.5 mile cardio hike, and the average 3.5-4 mile per hour fast-pace can be 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.

Come out and enjoy the evening with us on the Orchard Hills loop trail. This trail meanders around an avocado orchard on the edge of the open space preserve and provides fantastic ridge-top views of Irvine and the Pacific coastline.

The three-mile loop has several very steep climbs, but the hike is done at a moderate pace. The effort is rewarded with a beautiful, unobstructed view to the west. Please bring water and wear sturdy shoes. This hike is not suitable for children under 12.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-3 activity on the land

Join us for a strenuous, extremely challenging, fast-paced, early morning cardio hike in Limestone Canyon. Along the way we’ll be rewarded with panoramic views of Orange County and possible wildlife sightings. We will visit the back side of the Sinks to gain beautiful vistas of Agua Chinon and beyond. This is a 8 mile cardio hike, completed in 2 1/2 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.

There is one scheduled rest stop at the East Sinks Viewing Deck on this approximately  8  mile cardio hike, and the average four (4) mile 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.

Are the regular cardio hikes a little too fast for you? If so, join us in beautiful Baker Canyon for this slower intro-to-cardio hike. This scenic loop hike will involve a few steep climbs with a net gain of about 1000′ but you will be rewarded with sweeping views of the northeastern edge of the Irvine Ranch Natural Landmarks.
Remember, even though this is a slower cardio hike, it is still faster than a walk. You must be able to hike the entire time without stopping. Please make sure you are in excellent physical condition!
Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-4 activity (due to pace) on the land.

Remember, even though this is a slower cardio hike, it is still faster than a walk. You must be able to hike the entire time without stopping. Please make sure you are in excellent physical condition!

Come out and join us on a breathtaking hike from the Irvine Open Space Preserve into OC Parks’ Limestone Canyon. This week’s docent-led hike begins in the Agua Chinon wash, continues to The Sinks, and may include a side trip to Box Springs, a natural year-round source of fresh water.

Maximum distance is just short of 7 miles, with some sustained climbing in one section. Participants must wear sturdy, closed-toe hiking shoes. Remember to pack plenty of water, sunscreen, a hat, and all other necessary equipment to keep you safe on the trail. This activity originates in the City of Irvine and travels into OC Parks’ Limestone Canyon Nature Preserve.

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

Ready for a workout, but not sure where to start? Join us for a fitness-focused hike in Limestone Canyon. Along the trail, you’ll pass through coastal sage scrub, grasslands, and oak woodlands. The 5 mile hike is conducted at about 2.5 miles per hour over mainly level trails.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-3 activity on the land.

Remember, this is faster than a walk. You must be able to hike the entire time without stopping. Please make sure you are in excellent physical condition!

This week in the Irvine Open Space, we’ll be in Quail Hill, once part of the historic Irvine cattle ranch. The hike is seven and a half miles with some climbing, but rewards you with fantastic views overlooking Laguna Canyon and many Irvine locales. Please bring water, a trail snack, sunscreen, hat and any other necessary equipment to keep you safe on the trail.   Get your boots out and register to hike the Quail Trail and Shady Canyon 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 NOTE: This is a Fitness Hike; pace is approximately a 19–minute mile. Please arrive 15 minutes early.

Raise your heart rate and your spirits on this moderate, fast-paced, 6.5-mile hike (700-ft. elevation gain) over very steep, uneven terrain with Laguna Canyon Foundation volunteers. Ages 18 and up. Not for beginners. Laguna Coast Wilderness Park, Ridge Park Staging Area (Newport Coast Drive to Ridge Park Rd. east to end; meet at the gate.) Online reservations required: http://www.lagunacanyon.org/activities For questions, call 949-497-8324 Mon-Fri or 949-923-2235 Sat/Sun. Parking: Free.

Come out and enjoy the evening with us on the Orchard Hills loop trail. This trail meanders around an avocado orchard on the edge of the open space preserve and provides fantastic ridge-top views of Irvine and the Pacific coastline.

The three-mile loop has several very steep climbs, but the hike is done at a moderate pace. The effort is rewarded with a beautiful, unobstructed view to the west. Please bring water and wear sturdy shoes. This hike is not suitable for children under 12.

Reviewing the 1-through-5 Difficulty Ratings will help you evaluate your readiness to participate in this level-3 activity on the land

Join us for a strenuous, extremely challenging, fast-paced, early morning cardio hike in Limestone Canyon. Along the way we’ll be rewarded with panoramic views of Orange County and possible wildlife sightings. We will visit the back side of the Sinks to gain beautiful vistas of Agua Chinon and beyond. This is a 8 mile cardio hike, completed in 2 1/2 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.

There is one scheduled rest stop at the East Sinks Viewing Deck on this approximately  8  mile cardio hike, and the average four (4) mile 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.

Join us every Monday night 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 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.