Echigo Hillside Park is a 400-hectare national park in Nagaoka, Niigata Prefecture, Japan. It offers a variety of activities and attractions, including a large outdoor playground, a kids' water park in summer, and snow sports in winter. The park also features vibrant flower displays and a fragrant rose garden. Visitors can enjoy picnicking, barbecuing, and exploring the park's scenic trails. With its vast recreational area and family-friendly atmosphere, Echigo Hillside Park is an ideal destination for outdoor enthusiasts and families.