Great Sand Dunes National Park is located in Colorado.

The Great Sand Dunes National Park and Preserve in Colorado is home to the tallest dunes in North America, reaching heights of up to 750 feet. The park, set against the backdrop of the Sangre de Cristo Mountains, offers visitors stunning views and a variety of outdoor activities, including sandboarding, hiking, and camping. The dunes were formed by wind, water, and time, creating an awe-inspiring landscape that attracts nature lovers and adventure enthusiasts alike. The park is also rich in wildlife and offers a unique opportunity to experience the diverse ecosystems of the region.