Today you will cross the magnificent Callejón de Huaylas, a valley fed by the Santa River and located between the Cordillera Blanca and Cordillera Negra Mountain Ranges. On the way, you will visit the towns of Carhuaz, Mancos and Yungay, and while ascending towards the Cordillera Blanca the mountainous landscape will become increasingly spectacular. The granite walls of Huandoy (6395 masl) and Huascarán Mountains (6768 masl) make up a ´U´-shaped canyon, with the two turquoise lagoons of Llanganuco. You will find yourself in the heart of the Huascaran National Reserve, a massive laboratory of natural history where it is possible to learn about the tropical species of the Andes and their ecosystems. You will visit the Orcocha and Chinacocha lagoons (3850 masl), where queñuales forests and Quishuar trees can be seen. After lunch, you will be transferred back to Huaraz.