Nevado Sajama

Nevado Sajama (6542m) is Bolivia's highest mountain and one of the world's highest volcanoes. Situated in the centre of Sajama National Park it has Queñoa de Altura (polylepis tarapacana) growing on its slopes. This shrublike tree grows in heights of up to 5000m.
Sajama is a holy mountain for the indigenous Aymara people and recent research has found a 3000 years old network of lines etched into the ground which is 15 times the size of the Nazca lines. Sajama Lines