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La Blanca is a pre-Columbian Mesoamerican archaeological site in present-day La Blanca, San Marcos Department, western Guatemala. It has an occupation dating predominantly from the Middle Preclassic (900–600 BC) period of Mesoamerican chronology. This site belongs to the later period of the Mokaya culture.
A minor archeological site nearby is Salinas La Blanca at the mouth of the Río Naranjo.