We start our ride through OC Parks’ Irvine Ranch Open Space on the paved Hicks Haul Road, the extension of Jeffrey Rd north of Portola Pkwy. As we warm up on the climb to the top of the road, we…

What is flea-borne typhus?Flea-borne typhus is a disease caused by the bacteria Rickettsia typhi and Rickettsia felis. Also called murine typhus, most cases in the United States are reported from…

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  This training is part of a series and will take place online. Registration is required by August 5, 2026.Help people manage chronic conditions and improve their quality of life! You'll be…

*This program takes place at Mile Square Regional Park, 16801 Euclid St., Fountain Valley, CA 92708*The OC Parks Jr. Ranger Program encourages park guests to explore the outdoor world within OC Parks…

Nature journaling can be practiced in almost any space and combines observations with insights, questions and connections with the environment around us. It allows us to pay attention to details that…

*This program begins at Canyon View Park, 22144 Canyon Vistas, Aliso Viejo, CA 92656 *Please be aware that this is a fitness hike and not for beginners; the pace is approximately a 19-minute mile.…

*This program begins at Canyon View Park, 22144 Canyon Vistas, Aliso Viejo, CA 92656*Explore Aliso and Wood Canyons Wilderness Park where you might see deer, bobcats and hawks. Learn about acorn…

After the sun has set, the night sky fills with small but mighty flying bats. Enjoy an evening discovering how important bats are to our ecosystems and how they help us stay free of bug bites! …

Insects are the most diverse group of animals on Earth and make up 80% of all known species. There are more varieties of bugs than all other types of animals combined!Join us on a family-friendly…