rio apurimac, apurimac is upper part of amazon river

amazon amazonia amazonian andes apurimac area beautiful big brown canyon choquequirao cliff cordillera cusco cuzco forest grand great green hiker hiking landscape large largest longist machu mount mountain mountains natural nature outdoor part peru peruvian picchu range rapids ridge rio river rock scenery scenic stream tourism tourist trail travel traveler trek trekker trekking upper valley view water