2026 Grunion Run
May 16 @ 8:30 pm - 11:00 pm
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Grunion Run Exploration
Experience one of Southern California’s most fascinating natural phenomena during this special evening program with Crystal Cove Conservancy. Join Conservancy staff for a guided exploration of the grunion run, when small silver fish come ashore under the cover of night to spawn on sandy beaches.
Participants will learn about grunion behavior, coastal ecology, and the unique conditions that bring these fish onto shore. After a short introduction, the group will walk to the beach to observe the run and, with a bit of luck, witness this remarkable event firsthand.
Meeting Location: Education Commons, Crystal Cove Historic District
Parking: Please park at the Los Trancos parking lot on the inland side of PCH. From there, walk through the tunnel and follow the path to the Historic District (approximately a 10-minute walk).
What to Bring: Warm layers, comfortable clothing and footwear suitable for getting wet, and a flashlight or headlamp with a red-light setting.

