Huayhuash is a mountain range within the Andes of Peru, in the boundaries of the regions of Ancash, Lima and Huánuco. Since 2002 it is protected within the Cordillera Huayhuash Reserved Zone.

Huánuco is a department and region in central Peru. It is bordered by the La Libertad, San Martín, Loreto and Ucayali regions in the north, the Ucayali Region in the east, the Pasco Region in the south and the Lima and Ancash regions in the west. Its capital is the city Huánuco.