Bolivia–Chile border, International border in Andes Mountains, South America.
The Bolivia-Chile border runs through the Andes Mountains and marks the division between both countries in one of South America's highest regions. The terrain features steep mountains, vast plateaus, and volcanic formations that create a remote and harsh landscape at extreme elevations.
Following the War of the Pacific in 1884, Bolivia lost its coastal territory to Chile, establishing this international boundary. The border was formalized through treaties and has since become a recognized crossing point between the two nations.
Local communities along the border maintain indigenous traditions through markets and festivals that connect families from both nations.
The main crossing at Chungara-Tambo Quemado sits at extreme elevation and requires proper preparation for altitude conditions. Visitors should acclimatize beforehand and ensure all necessary documents and permits are in order before arrival.
The border region contains salt lakes, volcanic basins, and shifting climate zones across short distances. These areas form some of the continent's most extreme ecosystems, where visitors experience drastically different landscapes in a brief span.
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