Located in the transition zone between the arid steppe of Argentine Patagonia and the temperate southern beech forests of Chilean Patagonia, Patagonia National Park encompasses an array of ecosystems including grassland, riparian forest and wetland.
Sierra de las Quijadas National Park is located in the northwestern part of the Argentine province of San Luis. It was established to protect the natural features representative of the Semiarid Chaco and Argentine Low Monte ecoregions. It is the only protected area in this transition area.
The Yabotí Biosphere Reserve is located in the Misiones province of northeastern Argentina. The reserve is part of the Misiones Rainforest Corridor, within the Amazon Rainforest region, which is home to some of the most traditional villages of the Guaraní peoples.
Yacurí National Park is located in Ecuador, bordering the provinces of Loja and Zamora Chinchipe. The protected area contains a variety of ecosystems, over 46 high altitude lakes, a number of endangered species as well as archaeological ruins and petroglyphs.
Yasuní National Park and Biosphere Reserve is situated within the Amazonian region of northern Ecuador. Arguably the most biologically diverse spot on earth, it occupies an area within the claimed ancestral territory of the Huaorani indigenous people.