The park contains the tallest sand dunes in North America, rising to a maximum height of 750 feet from the floor of the San Luis Valley on the western


The park contains the tallest sand dunes in North America, rising to a maximum height of 750 feet from the floor of the San Luis Valley on the western base of the Sangre de Cristo Range, covering about 19,000 acres. The dunes were formed from sand and soil deposits of the Rio Grande and its tributaries.


Size: 5472px × 3648px
Location: San Luis Valley, Alamosa County, CO, United States
Photo credit: © Brian Welker / Alamy / Afripics
License: Royalty Free
Model Released: No

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