Come enjoy an early morning hike in Fremont Canyon Nature Preserve, part of OC Parks’ Irvine Ranch Open Space. Our hike climbs steeply from the mouth of Fremont Canyon, past an abandoned coal mine up…

Take a leisurely ride on beautiful Hall Canyon and Helo trail in the Black Star Wilderness Area, home of oak woodlands, grasslands, and coastal sage scrub. View evidence of the old ranch days when…

Enjoy an afternoon family hike in Agua Chinon, part of OC Parks’ Irvine Ranch Open Space. We hike a gradual climb of 500 ft elevation as we watch for red-tailed hawks and mule deer.  This…

Join us for a strenuous, extremely challenging, fast-paced, early morning cardio hike in Fremont Canyon Nature Preserve, part of OC Parks’ Irvine Ranch Open Space. Our hike with start off at Fremont…

Spend your morning nurturing Coast Live Oak seedlings within a beautiful oak woodland in OC Parks’ Baker Canyon. This activity will involve watering the planted oaks, weeding around them, and adding…

Come explore beautiful Gypsum Canyon Wilderness, the northernmost portion of OC Parks’ Irvine Ranch Open Space. This scenic hike involves steepish climbs and descents on several single-track trails…

Click here for information about the STI clinic and the services available at 17th Street Testing and Treatment Clinic Clinic HoursWe recommend that you make an appointment in advance, as walk-…

Think you would enjoy a challenging evening bike ride in the wilderness on empty trails with both a sunset and a view of the distant city lights of Orange County, then join us on this docent-led…

Come and hike with us to the East Sinks in Limestone Canyon, location of the Earthcache site — a special place people can visit to learn about unique aspects of the Earth — listed on www.…

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 OC Parks’ Irvine Ranch Open…