Pachacuti is the Inca emperor traditionally credited with ordering Machu Picchu’s construction.
Pachacuti Inca Yupanqui ruled the Inca Empire during the 15th century and transformed a regional kingdom into a powerful Andean state. Archaeologists generally date Machu Picchu’s construction to the 15th century, during his reign, and many researchers interpret it as a royal estate or ceremonial retreat connected with him.
Machu Picchu stands high in the Andes of modern Peru, above the Urubamba Valley. Its carefully fitted stonework, terraces, drainage systems, and integration with the surrounding mountains show the sophistication of Inca engineering. The site was probably used for a relatively short period before the Spanish conquest disrupted the Inca state.
No surviving Inca written record directly names its builder, so the attribution is historical rather than an inscriptional certainty. Atahualpa was the last sovereign Inca emperor before the conquest, while Huayna Capac ruled after Pachacuti and before the empire’s civil war.