 The present-day volcano is covered by an ice cap, and during the last glacial maximum glaciers advanced to low altitudes.In 1995, an Inca mummy known as Mummy Juanita was discovered on Ampato by Johan Reinhard; it had been offered as a human sacrifice more than six hundred years earlier on the mountain.Ampato lies south of the Colca Canyon and at the southern end of a chain of volcanoes formed by Hualca Hualca and Sabancaya, the last of which has been historically active.