Join North Star Naturalist for a guided fungi foray to learn how to find, identify, and appreciate the remarkable role of fungi in our local ecosystems.

Explore La Jolla’s rocky shoreline at the perfect low tide with an expert guide by your side.

Join North Star Naturalist for a 90-minute guided night tidepool tour under the glow of flashlights, blacklights, and moonlight.

Beneath the canopy of oaks and the calls of woodpeckers, discover the plants, wildlife, and ancient stories that make the chaparral California’s signature ecosystem.

Traverse the sun-warmed hills near Poway and experience the fragrant, rare California Sage Scrub — one of the most endangered ecosystems in North America.

Explore one of San Diego’s most scenic trails in our largest urban canyon with the history, ecology, and hidden details most people walk right past.

Design your ideal day outdoors with a private naturalist guide dedicated entirely to your interests, pace, and curiosity.

Join an expert naturalist for a guided evening hike where the scents of sage fill the cool air and the city glows below.

The Preserve is CLOSED to all visitors through February 2027 for construction and improvements. Tours will resume once the park reopens! Thanks! Experience San Diego’s most iconic coastal hike with the stories and science most visitors miss.

Discover San Diego’s spectacular wildflower blooms — without the crowds, guesswork, or overrun hotspots.