Earth Day Celebration - Bear Mountain State Park and Zoo Date: 04/20/13 Hours: 10:30am-3pm Ages: All Price: Parking $8 per car; zoo admission by donation Address: Palisades Interstate Parkway Exit 19 or Route 9W - 845-786-2701 Bear Mountain , NY 10911 trailsidezoo.org Description: Visit the zoo's animals and this lovely state park for family-friendly and educational programs celebrating Earth Day. Rain date is April 21.