Lauca National Park is located in Chile's far north, in the Andean range. It encompasses an area of 1379 km² of altiplano and mountains, the latter consisting mainly of enormous volcanoes. Las Vicuñas National Reserve is its neighbour to the south. Both protected areas, along with Salar de Surire Natural Monument, form Lauca Biosphere Reserve. The reserve comprises three protected areas: Lauca National Park, Las Vicuñas National Reserve and Salar de Surire Natural Monument. This zone was declared a Biosphere Reserve by UNESCO in 1981. Today, the park is in great danger. There are mining companies that threaten to destroy the delicate ecosystem, poisoning the water and plants with manganese.