The Official Linkedin Page of Elitch Gardens. Located in the heart of Denver and celebrating over 125 years of fun, Elitch Ga ... rdens is America’s only Downtown Theme and Water Park. The park is open May through October with 54 rides and attractions, live entertainment, thrilling roller coasters, an entire water park and Fright Fest. Visit ElitchGardens.com for more information and to purchase tickets. read more