Elitch Gardens Theme Park, previously known as Six Flags Elitch Gardens, is an amusement park in Denver, Colorado. It is owned by CNL Lifestyle Properties and operated by PARC Management alongside six other former Six Flags parks including: Darien Lake, Frontier City, White Water Bay, Waterworld California, Splashtown Houston, and Wild Waves Theme Park. It is a seasonal park usually opening in late April and closing around Halloween.