The Andean town of Colchane, on the border with Bolivia, is the most used crossing point for foreigners to enter Chile, and it is a region where dozens of people have died in recent years.

Borders every country in South America except Chile and Ecuador. Argentina, Bolivia, Colombia, Guyana, Paraguay, Peru, ...

The border stretches to be air surveyed are Bolebra (a geographical point shared by Brazil, Bolivia and Peru) and the common geographical area of Bolivia, Paraguay and Brazil. Cáceres pointed out ...