In the South American Andes, the altiplano between the Cordillera Oriental and the Western Cordillera Occidental is widest in Bolivia. The altiplano itself runs from the southern portion of Peru, extending through Bolivia, and then ending in northern Argentina.
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The altiplano in the South American Andes is widest in Bolivia, where it spans about 1,200 kilometers in width. It is an important geographic feature that has historical significance due to its role in ancient civilizations. This region also includes Lake Titicaca, the highest navigable lake in the world.
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