The fall equinox marks the end of summer, and beginning of fall, when the day and night are equal length. Celebrate the season on a guided Autumnal Equinox Sunset Hike at Crystal Cove State Park. Join a park naturalist on this moderate up-hill one-hour hike. Meet at the Berns Amphitheater (PCH inland at stoplight School-State Park, follow signs towards the campground.) Wear sturdy shoes, bring water, and dress in layers. $5 sunset rate.