The Cordillera Oriental is a mountain range (cordillera) that forms the eastern branch of the Andes in Peru. It contains Paleozoic metamorphic rocks and runs through the entire country, from the Ecuadorian border in the north to the Bolivian border in the south. It has an approximate length of 1,800 km and is located along the edge of the Peruvian Amazon. The range crosses the departments of Amazonas, Loreto, San MartĂn, Huánuco, Ucayali, Pasco, JunĂn, Cusco, Madre de Dios, and Puno.
It includes many subsidiary ranges such as the Vilcanota, Vilcabamba, Urubamba and Carabaya mountain ranges and peaks above 6,000Â m such as Salcantay.