Patagonian Forest (old-growth and second growth), with final intervention of 50 years.

The Alto Patache fog oasis is located in northern Chile, 70 km south of Iquique, Tarapacá Region. This Oasis is located along the Coastal Range of Norte Grande, in the Atacama Desert, known for its remarkable aridity. The influence of coastal fog allows the development of a specially adapted vegetation, which provides habitat suitable for animal species.

The site is a wave-exposed rocky shore typical of central-northern Chile. The coastal border (including littoral zone and intertidal shore) as well as the shallow subtidal habitat (down to about 25-30m deep) has been protected from human intervention since 1982. In 2005 the marine area was declared Area Marina Costera Protegida (AMCP) de Chile (Marine Protected Area). Adjacent to the marine reserve there is a marine laboratory, Estación Costera de Investigaciones Marinas of P. Universidad Católica de Chile.