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La Línea is a highway tunnel between the cities of Calarcá, Quindío and Cajamarca, Tolima in Colombia. It crosses beneath the locally famous "Alto de La Línea" in the Cordillera Central or central range of the Andes mountains, easing traffic on one of Colombia's main east-west road connections which links Bogotá with Cali and the Pacific port of Buenaventura.