What is "kallapu"

Kallapu ( Aymara for stairs close to the walls, step of the stairs in a mine; buttress, wood to prop up, hispanicized spelling Calapo) is a mountain in the Wallanka mountain range in the Andes of Peru which reaches an altitude of approximately . It is located in the Ancash Region, Bolognesi Province, Aquia District, east of the town of Pachapaqui.