The Ancomarca Plateau ( es, Meseta de Ancomarca) is an elevated

plateau In geology and physical geography, a plateau (; ; ), also called a high plain or a tableland, is an area of a highland consisting of flat terrain that is raised sharply above the surrounding area on at least one side. Often one or more sides ...

around the Bolivia–

Chile Chile, officially the Republic of Chile, is a country in the western part of South America. It is the southernmost country in the world, and the closest to Antarctica, occupying a long and narrow strip of land between the Andes to the east a ...

–

Peru , image_flag = Flag of Peru.svg , image_coat = Escudo nacional del Perú.svg , other_symbol = Great Seal of the State , other_symbol_type = National seal , national_motto = "Firm and Happy f ...

tripoint A tripoint, trijunction, triple point, or tri-border area is a geographical point at which the boundaries of three countries or subnational entities meet. There are 175 international tripoints as of 2020. Nearly half are situated in rivers, l ...

. It lies at 4,115 m asl. Villages in the plateau include Ancomarca in Peru,

Charaña Charaña is a high elevation town in the altiplano of the La Paz Department in Bolivia. It is the seat of the Charaña Municipality, the fifth municipal section of the Pacajes Province. Charaña is east of the border with Chile. History Ch ...

in Bolivia and

Visviri Visviri is a Chilean hamlet at the northern end of the country and the capital of the General Lagos commune in Parinacota Province, Arica and Parinacota Region. It is notable for being Chile's northernmost populated area. Pop. 265 (2002), and for b ...

in Chile. In colonial times the area of the plateau was organized as an

ayllu The ''ayllu'', a family clan, is the traditional form of a community in the Andes, especially among Quechuas and Aymaras. They are an indigenous local government model across the Andes region of South America, particularly in Bolivia and Peru. ...

References

Altiplano Landforms of Arica y Parinacota Region Landforms of La Paz Department (Bolivia) Landforms of Tacna Region Plateaus of the Andes Plateaus of Bolivia Plateaus of Chile Plateaus of Peru {{Peru-geo-stub