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 Sinks. Participants will receive the revised map at check-in.*

Start your weekend off by exploring numerous opportunities found throughout magnificent Limestone Canyon located within OC Parks’ Irvine Ranch Open Space. Trails will be open for self-guided trail use with routes that vary in distance and level of difficulty, ranging from easy one-hour walks to strenuous 15-mile cardio treks. Whether traveling by foot or wheels, Wilderness Access Day in Limestone Canyon is a treasure waiting to be discovered by hikers and mountain bikers alike.

Rain or inclement weather will cancel the program. 

Advance registration is required. Learn more and register here.