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Cool Birds of Fall in Limestone Canyon - Bird Walk

Birds are among the most colorful and entertaining...

Equestrian Ride: Discover The Natural Wonders of Weir Canyon

Be prepared to experience the beauty and wonder of...

Intermediate Mountain Bike Ride from Irvine to Limestone Canyon

We start our ride through OC Parks’ Irvine Ranch...

CANCELED: Tuesday Morning Fitness Hike on Paved Hicks Haul Road

*This program has been canceled due to inclement...

Irvine Ranch Open Space Advanced Distance Hike: Fremont, Weir, & Blind Canyons

The IROS Advanced Distance Hike otherwise known as...

CANCELED: Evening Hike on Hicks Haul Road

*This program has been canceled due to inclement...

Rocks are Rad: Geology Hike at Black Star Canyon

Join us for a morning walk to one of the Irvine...

Hoofprints and Horizons: a Gentle Family Hike with a Horse

Escape into the stunning landscapes of the Irvine...

Sunset Mountain Bike Ride to Mini Moab

Think you would enjoy a challenging but relaxing...

Celebrate Cultures in Nature: Mid-Autumn Festival

This month we will focus on a Chinese celebration...