Where is Great Sand Dunes National Park?
Great Sand Dunes National Park and Preserve is a national park of the United States in the San Luis Valley, in the far east of Alamosa County and Saguache County in the U.S. State of Colorado.
Originally founded as the Great Sand Dunes National Monument on 17 March 1932, the Great Sand Dunes National Park and Preserve was founded on 13 September 2004 by a law of the United States Congress.
Natural history. The Park contains the highest sand dunes in North America, and rises about the floor of the San Luis Valley at the Western foot of the Sangre de Cristo Range. The researchers say that the dunes formed less than 440,000 years ago. The dunes were formed from Sand and soil deposits of the Rio Grande and its tributaries flowing through the San Luis Valley.
Over the centuries, Western winds picked up sand particles from the River Plain. When the Wind lost power before crossing the Sangre de Cristo Range, the Sand deposited on the eastern edge of the Valley. This process continues, and the dunes grow slowly. The Wind changes The Shape of the dunes daily.
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Where are sand dunes found?
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Can you drive on the Great Sand Dunes?
What is the highest sand dune in the world?
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