Colorado.
Yes they exist and it is a great National Park near Mosca, Colorado
Colorado, The Great Sand Dunes National park is in Central Colorado. Great Sand Dunes National Park is located 35 miles northeast of Alamosa, Colorado, reached by U.S. Highway 160 and State Highway 150 from the south, or from State Highway 17 and County Lane 6 from the west.
Star Dune is in The Great Sand Dunes National Park in Colorado, USA.
In the united states national park, colorado. September 13, 2004
colorado
Great Sand Dunes National Park and Preserve is a United States National Park located in the San Luis Valley, in the easternmost parts of Alamosa County and Saguache County, Colorado, United States. It is not far from the town of Alamosa, Colorado.
The tallest sand dune is in Great Sand Dunes National Park in south-central Colorado. It reaches about 750 feet above the San Luis Valley floor.
The Great Sand Dunes National Park is located at Mosca, Colorado, 238.76 miles south of Denver, Colorado and MapQuest estimates the driving time as 3 hours and 57 minutes via Walsenburg on Interstate 25.
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No, the National Parks in Colorado are Mesa Verde, Black Canyon of the Gunnison, Rocky Mountains and Great Sand Dunes.