Grunion Run Schedule 2021

So you want to go on a grunion run. There are a few things you must know before you go. First, do you know what grunion are? For those not familiar, Grunion are a species of fish that leave the water at night to spawn on beaches during the spring and summer months throughout Southern California (San Diego to San Luis Obispo County). For more specifics see our list of the best grunion run beaches in California.