Join OC Parks at Heritage Hill Historical Park for the annual Rancho Days Fiesta! Learn about the rich history of Orange County's rancho era through hands-on activities, crafts, music, dance and…

Thank you to everyone who attended the Frank R. Bowerman Resident Meeting on March 26. If you missed it, the Zoom recording is now available to view. 

Advance registration is required for this program.*Due to raptor nesting, some trails will be closed during the Limestone Canyon Wilderness Access Day on Saturday, April 4, including access to The…

Advance registration is required for this program.*Due to raptor nesting, some trails will be closed during the Limestone Canyon Wilderness Access Day on Saturday, April 4, including access to The…

Join us for a strenuous, extremely challenging, fast-paced, early morning cardio hike in Limestone Canyon, part of OC Parks’ Irvine Ranch Open Space. Along the way we’ll be rewarded with panoramic…

Join us for a slow-paced hike through Limestone Canyon Nature Preserve. Slowing our pace will encourage us to experience the land with all of our senses. If you enjoy recording your sightings of…

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…

This week in OC Parks’ Irvine Ranch Open Space, we’ll hike in Baker Canyon. This scenic hike includes steep climbs and descents on both single and double-track trails with about 1100 feet of…

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…

Enjoy nature with friends and family on the Mesa. We start our program by climbing a small hill at an easy pace to reach the top. Once up on the mesa, we will hike along a fairly flat trail as we…