It runs through the Chilean altiplano in Lauca National Park. It was declared a world biosphere reserve by its rich diversity of flora and fauna and for hosting places of great historical and cultural interest.

With a surface area of 137,883 ha (303,342 acres), this Global Biosphere Reserve covers the pre-Andean mountain chain and the high plateau of the northeast end of the region of Tarapacá. It has a dry climate with well-defined day and night thermal variations. This park is well-known for being home to a great wealth of flora and fauna, its highly interesting culture and history, and sites of uncultivated beauty. More than 130 different bird species live in this park, in addition to the distinctive vicuñas, vizcachas, and condors. A major attraction of the park is the astonishing Lake Chungará, one of the highest lakes in the world, located at the foot of the Payachata twin volcanoes.

Location: Región de Arica y Parinacota, 145 km (91 mi) east of Arica. Putre is located approximately 12 km (7.5 MI) west.

When to go: Year round

Lauca National Park map