Destinations

Temple of the Sun in Machu Picchu: the Torreón and Its Ceremonial Function

By Fredy Huaman

March 25, 2026

The Temple of the Sun, also known as the Torreón, is an astronomical and religious enclosure. It is believed to have been related to solar observation and rituals linked to the agricultural calendar. According to history, it was ordered to be built during the government of the Inca Pachacútec. Its main function was ceremonial and it features outstanding Inca architecture and engineering. In addition, it is related to other elements such as the Intihuatana, forming part of a ritual complex.

What is the Temple of the Sun in Machu Picchu?

It is a religious enclosure built on top of a natural cave. It is located in an elevated area and stands out for its finely carved stonework. In this place, homage was paid to the god Inti, considered a main deity in the Inca civilization. It has trapezoidal windows and a single access door. Some chroniclers mention the possibility that it may have had funerary functions, although this is not confirmed.

The Torreón: semicircular structure and stonework

The Temple of the Sun has a semicircular structure worked in stone. It is one of the most outstanding constructions in Machu Picchu and is associated with the worship of the god Inti

History of the Temple of the Sun

Built in the 15th century, the Temple of the Sun is an example of Inca engineering and architecture. It was ordered to be built by Pachacútec and stands out for its semicircular shape, made with finely carved granite blocks. It is believed to have had astronomical and ceremonial functions related to the observation of the sun.

Its relationship with the Inca elite and the government of Pachacútec

This temple is linked to the Inca elite and the government of Pachacútec. Some theories indicate that it may have been decorated with elements of gold and silver, although these were looted over time.

Why was it built on a natural rock?

It was built on a natural base that served as a foundation. This choice reflects the relationship of the Incas with nature and their worldview, integrating the natural with the spiritual.

Architecture of the Temple of the Sun

It is a semicircular tower, a form that is uncommon in Inca architecture, which is generally characterized by straight structures. Its design creates a sense of harmony and fluidity.

Curved walls, trapezoidal windows and construction technique

The Temple of the Sun features curved walls built with granite blocks. Its trapezoidal windows provide structural stability and allow sunlight to enter on specific dates, such as the June and December solstices.

Stonework in Inca architecture

It stands out for the use of precisely carved stone, assembled without mortar, which gives it seismic resistance.

Relationship with the sun and the ritual calendar

The temple functioned as a space for solar observation. Through its windows, the Incas identified changes in the position of the sun, which was related to rituals and agricultural activities.

The windows and their possible solar alignment

The windows are oriented to capture sunlight during the solstices, allowing the observation of important astronomical phenomena.

Was it an astronomical observatory or a ceremonial space?

It was both: a ceremonial space dedicated to the god Inti and a place for astronomical observation.

The cave beneath the Temple of the Sun

Beneath the temple there is a natural cave known as the “royal tomb.” Its exact use is not confirmed, although it is associated with ritual functions.

The so-called “royal mausoleum” and its interpretations

Located in the lower part, this space is formed by a cavern that serves as the base of the temple. It is believed to have been related to funerary rituals, although there is no definitive evidence.