The Bolivia–Chile border is an international

border Borders are generally defined as geography, geographical boundaries, imposed either by features such as oceans and terrain, or by polity, political entities such as governments, sovereign states, federated states, and other administrative divisio ...

South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a considerably smaller portion in the Northern Hemisphere. It can also be described as the southern Subregion#Americas, subregion o ...

. It separates

Bolivia Bolivia, officially the Plurinational State of Bolivia, is a landlocked country located in central South America. The country features diverse geography, including vast Amazonian plains, tropical lowlands, mountains, the Gran Chaco Province, w ...

from

Chile Chile, officially the Republic of Chile, is a country in western South America. It is the southernmost country in the world and the closest to Antarctica, stretching along a narrow strip of land between the Andes, Andes Mountains and the Paci ...

along Cordillera Occidental on the western edge of the Altiplano Plateau. There is an ongoing dispute about the nature of Silala River and Chile's use of its waters. Since 2021 the Bolivia–Chile border has been a major point of entry of irregular Venezuelan migrants into Chile. Migrants are aided in the crossing by human smugglers. Irregular migration has been particularly troublesome for the Chilean border town of Colchane. Indigenous Aymara communities live on both sides of the border.

References

Borders of Chile International borders Geography of Arica y Parinacota Region Geography of Tarapacá Region Geography of Antofagasta Region {{Chile-geo-stub