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Sacsayhuaman is an impressive example of Inca engineering

Published: 25 September 2021 | Update: 12 February 2026 | Reads: 7380
Home / Travel Blog / Sacsayhuaman is an impressive example of Inca engineering
Sacsayhuaman is an impressive example of Inca engineering

Just two kilometers north of the Plaza de Armas, an ancient structure full of mysteries and history dominates the imperial capital from the heights: Sacsayhuaman. Known as the "Sacsayhuaman Fortress" due to its massive zigzag walls that protected the city, this site is more than a military defense. It was a great ceremonial temple dedicated to the sun and the Andean worldview.

 

Its limestone blocks are precision-built. Some weigh over 120 tons and reach 5 meters in height. This level of engineering and architecture is nothing short of astonishing. Tour this monument if you visit the city of Cusco and wonder what to do. You'll learn how a civilization without iron or the wheel could build this fortress.

Today, this archaeological complex is the most popular site for tourists in Cusco. This is because it offers a lesson in history and architecture, and it provides one of the most spectacular panoramic views of the city. Exploring the Sacsayhuaman fortress on a Cusco city tour is undoubtedly one of the best choices.

 

Where is Sacsayhuaman located?

Sacsayhuaman is an archaeological site located 2 kilometers north of the Plaza de Armas in Cusco, at an altitude of 3,700 meters above sea level. This impressive complex extends over more than 3,000 hectares on a hill surrounded by mountains, offering panoramic views of the city and the valley. Its surroundings are full of history and nature, with abundant Andean flora and typical fauna, where llamas graze and falcons fly.

 

 

History of Sacsayhuaman

In 1450, the Inca Pachacutec—the ninth ruler of the Empire—ordered the construction of an impressive sanctuary. This sanctuary was built to celebrate the military victories of his son Túpac Yupanqui.

 

More than 20,000 workers were mobilized from different regions of the empire for this monumental project. They were recruited through the mitas system. They transported enormous blocks of stone from various quarries in Cusco and assembled them with amazing precision, achieving a perfect fit without the need for tools like mortar.

The architectural design of Sacsayhuaman was part of the great urban plan of Pachacútec, who designed the city of Cusco and gave it the shape of a puma, the sacred animal of the Kay Pacha (Andean earthly world). Sacsayhuaman represented the head of the feline, a symbol of strength and power.

Note: Sacsayhuaman is a "fortress" in name only. Archaeological studies prove that it was a ceremonial center with strategic defensive capabilities.

Sacsayhuaman is a must-see. "The Inca Fortress"

  1.  
  2. What does Sacsayhuaman mean?

    In Quechua, Sacsayhuaman means "place where the falcon is satisfied." The name is undoubtedly related to the presence of these birds in the area, which were of immense importance in Andean culture. Its monumental design and giant walls make it clear that this was no ordinary fortress; it was also a very important ceremonial center.

    The Spanish arrived in the 16th century, were impressed by its architecture and defensive appearance, and called it a "fortress." During the Inca rebellion of Vilcabamba in 1536, the site was key: Inca troops fought off a Spanish attack, confirming its military use.

  3. When was Sacsayhuaman built?

    Its construction began under the rule of the Inca Pachacutec in the 15th century and was continued by his successors, finishing in the time of Huayna Capac in the early 16th century. Later, in 1536, Manco Inca, the leader of the resistance against the Spanish, used Sacsayhuaman as a strategic bastion in one of the most significant battles of the era. After the conflict, the colonizers tore down much of the construction. They used its stones to build churches and houses in Cusco. Today, only about 20% of the original complex remains.

  4. What was it built for?

    Sacsayhuaman is not just an Inca fortress. It was primarily designed as a ceremonial center and temple dedicated to the Sun (Inti), the supreme deity of the Inca culture.

    Its location and the scale of its design also gave it a defensive role, making it a multifunctional space within the Inca Cusco organization.

    Important fact: The Inti Raymi, the most important festival in the Inca calendar, was celebrated in Sacsayhuaman. This event is still recreated today every June 24th and attracts thousands of visitors from all over the world.

Sacsayhuaman Age

 

The Fortress's details are as follows:

Today, Sacsayhuaman is the perfect setting for the celebration of the Inti Raymi, or "Festival of the Sun." This festival is held every June 24 and revives the ancient Inca ceremonies in honor of the sun god. Thousands of national and foreign visitors gather on its esplanade to witness this artistic representation.

 

The fortress is a masterpiece of Inca architecture, renowned for its cyclopean construction: its walls are made of enormous blocks of stone that fit together perfectly, a technique that continues to amaze archaeologists and engineers today. These stones are massive. Some are 9 meters high, 5 meters wide, and 4 meters thick. They weigh an estimated 125 tons.

 

The complex has three stepped platforms, each 360 meters on average, connected by stairs and access doors that reveal the strategic planning of its design. The Throne of the Inca is at the top. It is carved directly into the rock and oriented towards the main esplanade. From there, the sovereign could witness ceremonies and military acts. The "Rodadero" is nearby. It's a natural formation of polished rock that the ancient Incas used for recreational purposes. Today, it's a curiosity for visitors.

 

Sacsayhuaman architecture

  • Sacsayhuaman's architecture features sacred constructions such as residential buildings, towers, shrines, warehouses, roads, and aqueducts. The landscape's shape and harmony mirrors that of other Inca sacred places, like Machu Picchu.
  • The main wall of Sacsayhuaman is built in a zigzag with gigantic stones up to 5 meters high and 2.5 meters wide (between 90 and 125 tons in weight).
  • The south side is defined by a polished wall that spans approximately 400 meters. The east and west are defined by other walls and platforms.
  • The Inca chronicler Inca Garcilaso de la Vega stated that Sacsayhuaman was the greatest architectural work the Incas built during their heyday.

Cusco City Tour

 

Here are the facts about Sacsayhuaman

  • Sacsayhuaman Archaeological Park is an impressive 3,000-hectare site located at an impressive 3,700 meters above sea level.
  • It is located 3 kilometers from Cuzco, the capital of the ancient Inca Empire.
  • It is believed to have been a military fortress, but recent research definitively shows that it was actually used for religious purposes.
  • It is a temple dedicated to the cult of the sun.
  • Construction took more than 50 years, with approximately 20,000 men working on it.
  • Sacsayhuaman had channels for the distribution of water in the fortress.
  • It also had warehouses for food and weapons.
  • It was one of the most impressive constructions of the Inca empire, a testament to the Inca's mastery of architectural technique on a grand scale.
  • Large rocks from the quarries were dragged with ropes by hundreds of men.
  • Its exterior walls are over 9 meters high, 5 meters wide, and 4 meters thick. Some weigh more than 350 tons.
  • It is clear that some types of rock do not originate from the same place. It is certain that they were transported from more than 38 kilometers away.
  • Sacsayhuaman is in direct communication with the Coricancha and three other Inca buildings in the area. This is a clear reference to astronomy.
  • The construction is almost completely destroyed. At the time of the Spanish conquest, it was almost completely destroyed.
  • Currently, only 20% of the construction remains.
  • The remains of the fortress were used as a quarry to build houses and churches in Cuzco.

Sacsayhuaman

 

The Mystery of Sacsayhuaman 

Cunningham is the author of The Map That Talked, a book that delves into the mysteries of prehistory. It has departed from the more orthodox theories to suggest that the builders of Sacsayhuaman developed an intricate writing system that dates back 30,000 years. In that case, it would not be the Incas, but an advanced civilization of which we have lost memory.


This ancient form of writing is the basis of the geometric shapes that take into account the movement of the Moon and the Sun. According to his mystery of Sacsayhuaman, the astronomical values considered central to anticipating eclipses become "angular values." The stones of the monumental wall (see map) are made of these materials.


Astronomical terms define it as a combination of the values used to measure time (sidereal month: 27.32 days) and the values used to determine when the Moon, the Earth, and the Sun align at the nodes. This includes the moon's 18.6-year nodal cycle, the 6,511-day draconic month between eclipse seasons, and the 5.1-degree tilt of the moon's orbit. The rest of the values are either the values of the middle of the different lunar terms or values linked to the 11-day difference between the lunar and solar years.

 

He believes that this old way of writing was the foundation for the geometric shapes that were used to study the movement of the Moon and the Sun. According to his theory about Sacsayhuaman, the astronomical values considered central to anticipating eclipses become "angular values." These are the stones that make up the monumental wall (see map).

 

In the study of astronomy, it is a combination of two types of values. The first type is used to measure time. It is called the sidereal month, and it has a duration of 27.32 days. The second type is used to determine when the Moon, the Earth, and the Sun align at the nodes. This includes the moon's 18.6-year nodal cycle, the 6,511-day draconic month between eclipse seasons, and the 5.1-degree tilt of the moon's orbit. The other values are usually either the values of the middle of the various lunar terms, or values linked to the 11-day difference between the lunar and solar years.

 

Cunningham suggests that his analysis of the fortress of Sacsayhuaman is just one example of ancient writing based on astronomy. It has been found in many places around the world. The Ishango bone (Africa) and the stone (China) are some of the oldest examples of art and writing. The Ishango bone was carved with bones, and the stone was carved with tools about 30,000 years ago. This shows that people were using language and writing a long time ago.

 

Cunningham wants to know if the massive polygonal walls of Sacsayhuaman line up with the exact astronomical values used in the Muiscan figurines of Colombia and the giant Atacama of Chile. The surprising result is yes.

Curiosity: Although Cunningham's hypothesis is fascinating, most archaeologists and astronomers do not think there is any proof that Sacsayhuaman was used as a prehistoric "astronomical code." However, his theory has sparked the interest of alternative researchers and travelers who want to unlock the secrets of the Andean world.
Sacsayhuaman fortressSacsayhuaman cusco tour

 

How to get to Sacsayhuaman?

Many tourists wonder how to get to Sacsayhuaman when they arrive in Cusco. Here are some ways to get to this impressive archaeological site:

  • You can get to Sacsayhuaman by walking:
    You can get there from the main square of Cusco by going up Sweden Street and continuing on Resbalosa Street. Turn right after the San Cristóbal church and follow the road that will lead you to the archaeological site of Sacsayhuaman. It will take you about 30 minutes to walk to the complex.

  • Take a taxi to Sacsayhuaman:
    You can take a taxi from the Plaza de Armas of Cusco to the same archaeological site. You can also find return taxis. This option gives you plenty of time to explore Sacsayhuaman.

  • You can visit Sacsayhuaman as part of a city tour
    All agencies that offer tours in Cusco have this option. This will help you learn more about the archaeological sites at Sacsayhuaman. You can get the tourist ticket from Cusco to enter.

 

What to see in Sacsayhuamán?

Beyond the beautiful view of the city, the site has special buildings that stand out because of their history and interesting architecture. Here are the five most important things to know about the tour:

  • The Bastions (Zigzag Walls)

    This is the most typical structure of the area. They are three platforms built with huge limestone blocks that fit together perfectly. The zigzag layout of these walls creates shadows that look like a puma's teeth. On the first level, you'll find the largest stones, some of which weigh 128 tons and are 5 meters tall.

  • Muyucmarca Tower

    It was located at the top of the walls, and today only its round, concentric foundations remain. It is important in history because it was the site of the Inca resistance in 1536. According to records, the Inca general Titu Cusi Huallpa (also known as Cahuide) jumped from its top to avoid being captured by Spanish troops. Originally, this tower was used to store water and as a place to watch the surroundings.

  • Suchuna (The Slides)

    It is located in front of the bastions and is a natural rock formation of volcanic origin. Over time, the rock's surface became curved and smooth, like a slide. Right now, it's one of the most popular places on the tour because visitors can slide down these stone ramps.

  • The Inca's Throne (K'usilluc Jink'ian)

    It is a carved and polished stone structure with great symmetry that resembles a set of seats or steps. It is believed to have functioned as a box of honor for the Inca or the nobility during ceremonies and important festivals because it is in a strategic location with a direct view of the main esplanade and the bastions.

  • The Chincanas (Tunnels)

    These are underground holes in the slides area. There are two main ones. The smaller one, which is about 15 meters long, is open to the public. You can walk through it for a short time. The larger one, located to the north, remains closed for safety. According to oral tradition, these tunnels connected Sacsayhuaman with the Coricancha. However, this is more of a myth than confirmed archaeological evidence.

Sacsayhuaman Fortress

Chincanas of Sacsayhuaman

 

Climate

Sacsayhuaman has a dry and temperate climate. The average temperature per year is 12°C. There are two seasons: summer and winter. The rainy season, which is from November to March, is when the most rain falls. The dry season (from April to October) has hot days and cold nights.

 

The entrance fee to Sacsayhuaman is:

To visit Sacsayhuaman, you need the Cusco Tourist Ticket. You could also choose to take a "City Tour."

 

Schedules

Sacsayhuaman opens its doors from 7 a.m. at 6 p.m.

 

This is a ticket for tourists.

It is the most complete ticket because it includes more attractions (16). It is valid for 10 days from the day it is purchased. Here are the attractions included in the ticket:

  • In Cusco: the Museum of Contemporary Art, the Museum of Regional History, the Museum of Popular Art, the Monument to Pachacutec, the Qosqo Music and Traditional Dance Center, the Qoricancha Museum.
  • Around Cusco: the ruins of Sacsayhuaman, Q’enqo, Puca Pucara, Tambomachay, Tipón, Pikillacta
  • In the Sacred Valley: the ruins of Pisac, the ruins of Ollantaytambo, Chinchero and the agricultural terraces of Moray

This is a ticket for only some of the attractions.

With three possible circuits, it is perfect if you don't have a lot of money, since you can spend a little time in each place and visit specific attractions that interest you.

  • Circuit 1: Sacsayhuaman, Qenqo, Tambomachay, Puca Pucara (the archaeological sites around Cusco). Valid for 1 day
  • Circuit 2: Regional Historical Museum, Museum of Contemporary Art, Museum of Popular Art, Qosqo Traditional Music and Dance Center, Coricancha Museum, Monument to Pachacutec, Tipón and Pikillacta. Valid for 2 days
  • Circuit 3: Pisac, Ollantaytambo, Chinchero, Moray (sites of the Sacred Valley). Valid for 2 days

How much does the tourist ticket cost?

Foreign

  • The integral ticket costs 130 soles for adults, 70 soles for children between 10 to 17 years old and students between 18 and 25 years old (only with ISIC card).
  • The partial ticket costs 70 soles. There is no special price for foreign students. Children from 10 to 17 years old pay the student fee.
  • The ticket is free for children 9 and under.

Nationals

  • The integral ticket costs 70 soles for adults, 40 soles for children between 10 to 17 years old and students between 18 and 25 years old
  • The partial ticket costs 40 soles.
  • The ticket is free for children 9 and under.

Sacsayhuaman Peru

 

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