The Algodones Dunes is a large [sand dune] located in the southeastern portion of the U.S. state of California, near the border with Arizona and the Mexican state of Baja California. The field is approximately 45 miles long by 6 miles wide and extends along a northwest-southeast line that correlates to the prevailing northerly and westerly wind directions.
Three U.S. Border Patrol vehicles patrolling the border to prevent illegal entries from Mexico.
