Ancomarca Plateau
The Ancomarca Plateau (Spanish: Meseta de Ancomarca) is an elevated plateau around the Bolivia–Chile–Peru tripoint. It lies at 4,115 m asl. Villages in the plateau include Ancomarca in Peru, Charaña in Bolivia and Visviri in Chile. In colonial times the area of the plateau was organized as an ayllu.
Data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).