Machu Picchu

Template:Short description Template:Use dmy dates Template:Use American English Template:Infobox ancient site

Machu PicchuTemplate:Efn is a 15th-century Inca citadel located in the Eastern Cordillera of southern Peru on a mountain ridge at Template:Convert. It is situated in the Machupicchu District of Urubamba Province<ref>Template:Cite web</ref> about Template:Convert northwest of Cusco, above the Sacred Valley and along the Urubamba River, which forms a deep canyon with a subtropical mountain climate.Template:Sfn

Often referred to as the "Lost City of the Incas",<ref>Template:Cite web</ref> Machu Picchu is one of the most iconic symbols of the Inca civilization and a major archaeological site in the Americas. Built around 1450, it is believed to have served as an estate for the Inca emperor Pachacuti, though no contemporary written records exist to confirm this. The site was abandoned roughly a century later, likely during the Spanish conquest. Modern radiocarbon dating places its occupation between Template:Circa 1420 and 1530.Template:Sfn

Machu Picchu was constructed in the classical Inca style, featuring finely crafted dry-stone walls. Notable structures include the Temple of the Sun, the Temple of the Three Windows, and the Intihuatana ritual stone. Although the site was known locally and reached in the early 20th century by Peruvian explorer Agustín Lizárraga, it was brought to international attention in 1911 by American historian Hiram Bingham III. The original Inca name of the site may have been Huayna Picchu, after the mountain on which part of the complex stands.Template:Sfn

Designated a National Historic Sanctuary by Peru in 1981 and a UNESCO World Heritage Site in 1983, Machu Picchu was also named one of the New Seven Wonders of the World in 2007.<ref>Template:Cite web</ref> Template:As of, the site receives over 1.5 million visitors annually, making it Peru's most visited international tourist destination.

Etymology

The site is on a narrow saddle between two mountain peaks, Machu Picchu and Huayna Picchu. In the Quechua language, Template:Lang means 'old' or 'old person' and Template:Lang (spelled Template:Lang in standard Spanish orthography) means 'young', while Template:Lang refers to a 'summit', 'peak', or 'pyramid'.Template:Sfn Template:Efn Thus, the name of the site is often translated as 'old mountain' or 'old peak'.Template:Sfn

Although the original name given to the settlement by its builders is not definitively known, a 2021 study in Ñawpa Pacha: Journal of the Institute of Andean Studies suggests that the site was likely called "Huayna Picchu", after the smaller peak nearby, or simply "Picchu". According to the research, the association of the name Machu Picchu with the ruins likely began with American explorer Hiram Bingham's 1911 publications, a conclusion supported by Bingham's field notes, early maps, and historical documents.Template:Sfn<ref>Template:Cite web</ref>

History

Machu Picchu was previously believed (by Richard L. Burger, professor of anthropology at Yale University) to have been built in the 1450s.Template:Sfn However, a 2021 study led by Burger used radiocarbon dating (specifically, AMS) to reveal that Machu Picchu may have been occupied from around 1420 to 1530 AD.Template:Sfn Construction appears to date from two great Inca rulers, Pachacutec Inca Yupanqui (1438–1471) and Túpac Inca Yupanqui (1472–1493).Template:Sfn Template:Sfn

A consensus among archaeologists is that Pachacutec ordered the construction of the royal estate for his use as a retreat, most likely after a successful military campaign. Although Machu Picchu is considered to be a "royal" estate, it would not have been passed down in the line of succession. Rather it was used for 80 years before being abandoned, seemingly because of the Spanish conquests in other parts of the Inca Empire.Template:Sfn It is possible that most of its inhabitants died from smallpox introduced by travelers before the Spanish conquistadors even arrived in the area.Template:Sfn

Ancient life

Daily life in Machu Picchu

During its use as an estate, it is estimated that about 750 people lived there, with most serving as support staff (Template:Lang)Template:Sfn Template:Sfn who lived there permanently. Though the estate belonged to Pachacutec, religious specialists and temporary specialized workers (Template:Lang) lived there as well, most likely for the ruler's well-being and enjoyment. During winter, which was usually the harsher season, staffing was reduced to a few hundred servants and a few religious specialists focused on maintenance alone.Template:Sfn

Studies of skeletal remains found at Machu Picchu show that most people who lived there were immigrants from diverse backgrounds. They lacked the chemical markers and osteological markers they would have if they had been living there their entire lives. Instead, research into skeletal remains has found bone damage from various species of water parasites indigenous to different areas of Peru. There were also varying osteological stressors and varying chemical densities suggesting varying long-term diets characteristic of specific regions that were spaced apart.Template:Sfn These diets are composed of varying levels of maize, potatoes, grains, legumes, and fish, but the last-known short-term diet for these people was overall composed of less fish and more corn. This suggests that several of the immigrants were from more coastal areas and moved to Machu Picchu, where corn was a larger portion of food intake.Template:Sfn Most skeletal remains found at the site had lower levels of arthritis and bone fractures than those found in most sites of the Inca Empire. Incan individuals who had arthritis and bone fractures were typically those who performed heavy physical labor (such as the Mit'a) or served in the Inca military.Template:Sfn

Animals are also suspected to have been brought to Machu Picchu, as there were several bones found that were not native to the area. Most animal bones found were from llamas and alpacas. These animals naturally live at altitudes of Template:Convert rather than the Template:Convert elevation of Machu Picchu. Most likely, these animals were brought in from the Puna region for meat consumption and for their pelts.Template:Sfn Template:Sfn Guinea pigs were also found at the site in special tomb caves, suggesting that they were at least used for funerary rituals,Template:Sfn as it was common throughout the Inca Empire to use them for sacrifices and meat.Template:Sfn Six dogs were also recovered from the site. Due to their placements among the human remains, it is believed that they served as companions of the dead.Template:Sfn

Agricultural activity

Much of the farming done at Machu Picchu was done on its hundreds of Template:Lang (man-made terraces). These terraces were a work of considerable engineering, built to ensure good drainage and soil fertility while also protecting the mountain itself from erosion and landslides. However, the terraces were not perfect, as studies of the land show that there were landslides that happened during the construction of Machu Picchu. Still visible are places where the terraces were shifted by landslides and then stabilized by the Inca as they continued to build around the area.Template:Sfn The terraces also enabled irrigation, increasing crop yields, with maize likely being the main crop due to its ceremonial importance, alongside possible cultivation of potatoes.Template:Sfn

However, terrace farming area makes up only about Template:Cvt of land, and a study of the soil around the terraces showed that what was grown there was mostly corn and potatoes, which was not enough to support the 750+ people living at Machu Picchu. This explains why studies done on the food that the Inca ate at Machu Picchu suggest it was imported from the surrounding valleys and farther afield.Template:Sfn

It is estimated that the area around the site has received more than Template:Cvt of rain per year since AD 1450, which was more than that needed to support crop growth. Because of the ample rainfall at Machu Picchu, it was found that irrigation was not usually needed for the terraces. The terraces received so much rain that they were built by Incan engineers specifically to allow for drainage of excess water. Excavation and soil analyses done by Kenneth WrightTemplate:Sfn Template:Sfn in the 1990s showed that the terraces were built in layers, with a bottom layer of larger stones covered by loose gravel.Template:Sfn On top of the gravel was a layer of mixed sand and gravel packed together, with rich topsoil covering it. Research showed that the topsoil was probably moved from the valley floor to the terraces because it was much better than the soil higher up the mountain.Template:Sfn

Human sacrifice and mysticism

Little information exists surrounding human sacrifices at Machu Picchu, though it is known that many sacrifices were never given a proper burial, and their skeletal remains succumbed to the elements.Template:Sfn However, there is evidence that retainers were sacrificed to accompany a deceased noble in the afterlife.Template:Sfn Animal, liquid and dirt sacrifices to the gods were more common and were made at the Altar of the Condor. The tradition is upheld by members of the New Age Andean religion.Template:Sfn

Encounters with Westerners

Spanish conquest

Machu Picchu is believed to have been abandoned in the mid-16th century, around the time of the Spanish conquest, likely due to the collapse of Inca rule and disease following European contact.Template:Sfn Template:Sfn In the late 16th century, Spaniards who had recently gained control of the area documented that indigenous individuals mentioned returning to "Huayna Picchu", the name that is believed to be originally given to the site by locals.Template:Sfn The Spanish conquistador Baltasar de Ocampo had notes of a visit during the end of the 16th century to a mountain fortress called Template:Lang with sumptuous and majestic buildings, erected with great skill and art, all the lintels of the doors, as well the principal as the ordinary ones, being of marble and elaborately carved.Template:Sfn

Over the centuries, the surrounding jungle overgrew the site, and few outside the immediate area knew of its existence. The site may have been re-discovered and exploited in the late 19th century by the German engineer Augusto Berns.Template:Sfn Some suggest the German engineer J. M. von Hassel arrived earlier, though there's no solid evidence. Maps reference Machu Picchu as early as 1874, and a 1904 atlas labeled it as Huayna Picchu.Template:Sfn Template:Sfn

Search for the Neo-Inca capital

Template:Multiple image In 1902 Peruvian explorer Agustín Lizárraga led an expedition to the area now known as Machu Picchu. After several hours of clearing undergrowth they reached the stone structures of the citadel, during that visit Lizárraga marked his surname and the year, "A. Lizárraga 1902", in charcoal on one of the walls of the Temple of the Three Windows. In 1911 American historian and explorer Hiram Bingham traveled the region looking for the lost capital of the Neo-Inca state (later established to be Vilcabamba), established by Manco Inca after the Spanish conquest, and was led to Machu Picchu by a villager, Melchor Arteaga. Bingham found the surname of Lizárraga and the 1902 date on the temple. Initially disappointed, he documented in his pocket field journal: "Agustín Lizárraga is discoverer of Machu Picchu and lives at San Miguel Bridge just before passing."Template:Sfn Template:Sfn However, while Bingham initially acknowledged Lizárraga as the discoverer in his early writings and speeches, including Inca Land (1922), he gradually downplayed Lizárraga's role until, in his final version of the story, Lost City of the Incas (1952), Bingham claimed to have found the site himself.Template:Sfn In a 1922 letter to the head of the school he had once attended in Honolulu, Bingham wrote:Template:Sfn Template:Blockquote

Though Bingham was not the first to visit the ruins, he was considered the scientific discoverer who brought Machu Picchu to international attention. Bingham organized another expedition in 1912 to undertake major clearing and excavation.Template:Sfn Template:Sfn

1911 American Expedition

Bingham was a lecturer at Yale University, although not a trained archaeologist. In 1909, returning from the Pan-American Scientific Congress in Santiago, he travelled through Peru and was invited to explore the Inca ruins at Choqquequirau in the Apurímac Valley. He organized the 1911 Yale Peruvian Expedition in part to search for the Inca capital, which was thought to be the city of Vitcos, reportedly located near the town of Torontoy.Template:Sfn He consulted Carlos Romero, one of the chief historians in Lima who showed him helpful references and Father Antonio de la Calancha's Template:Lang (Chronicle of the Augustinians), first published in 1631. In particular, Ramos thought Vitcos was "near a great white rock over a spring of fresh water." Back in Cusco again, Bingham asked planters about the places mentioned by Calancha, particularly along the Urubamba River. According to Bingham, "one old prospector said there were interesting ruins at Machu Picchu," though his statements "were given no importance by the leading citizens." Only later did Bingham learn that Charles Wiener had also heard of the ruins at Huayna Picchu and Machu Picchu, but was unable to reach them.Template:Sfn Template:Sfn

Armed with this information, Bingham's expedition went down the Urubamba River. En route, Bingham asked local people to show them Inca ruins, especially any place described as having a white rock over a spring.Template:Sfn Template:Sfn

At Mandor Pampa, Bingham asked farmer and innkeeper Melchor Arteaga if he knew of any nearby ruins. Arteaga said he knew of excellent ruins on the top of Huayna Picchu.Template:Sfn The next day, 24 July, Arteaga led Bingham and Sergeant Carrasco across the river on a log bridge and up to the Machu Picchu site. At the top of the mountain, they came across a small hut occupied by a couple of Quechua people, Richarte and Alvarez, who were farming some of the original Machu Picchu agricultural terraces that they had cleared four years earlier. Richarte's 11-year-old son, Pablito, led Bingham along the ridge to the main ruins.Template:Sfn

The ruins were mostly covered with vegetation except for the cleared agricultural terraces and clearings used by the farmers as vegetable gardens. Because of the vegetation, Bingham was not able to observe the full extent of the site. He took preliminary notes, measurements, and photographs, noting the fine quality of Inca stonework of several principal buildings. Bingham was unsure about the original purpose of the ruins, but concluded there was no indication that it matched the description of Vitcos.Template:Sfn Template:Sfn

The expedition continued down the Urubamba and up the Vilcabamba Rivers examining all the ruins they could find. Guided by locals, Bingham rediscovered and correctly identified the site of the old Inca capital, Vitcos (then called Rosaspata), and the nearby temple of Chuquipalta. He then crossed a pass and into the Pampaconas Valley where he found more ruins heavily buried in the jungle undergrowth at Espíritu Pampa, which he named "Trombone Pampa".Template:Sfn As was the case with Machu Picchu, the site was so heavily overgrown that Bingham could only note a few of the buildings. In 1964, Gene Savoy further explored the ruins at Espiritu Pampa and revealed the full extent of the site, identifying it as Vilcabamba Viejo, where the Incas fled after the Spanish drove them from Vitcos.Template:Sfn Template:Sfn Template:Sfn

Excavations and controversy (1912–1915)

Bingham returned to Machu Picchu in 1912 under the sponsorship of Yale University and the National Geographic Society. The expedition conducted site clearing and archaeological work between July and November of that year, under the supervision of George Eaton and Ellwood Erdis. These efforts included burnings, vegetation removal, mapping, and excavations, many of which were carried out with the assistance of local labor organized in part by Ángel Lizárraga, younger brother of Agustín Lizárraga. The work was supported logistically by regional authorities, including the Prefect of Cusco. Excavations resumed in 1914 and 1915 during a subsequent expedition. Although Bingham proposed several hypotheses regarding the purpose and significance of the site, none have been substantiated by later research. During the expeditions, numerous artifacts were recovered and transported to Yale University. Among these was a set of 15th-century ceremonial Incan knives made from bismuth bronze, which are the earliest known artifacts to contain this alloy.Template:Sfn Template:Sfn

Although local institutions initially welcomed the exploration, they soon accused Bingham of legal and cultural malpractice.Template:Sfn Rumors arose that the team was stealing artifacts and smuggling them out of Peru through Bolivia. In fact, Bingham removed many artifacts, but openly and legally; they were deposited in the Yale University Museum. Bingham was abiding by the 1852 Civil Code of Peru; the code stated that "archaeological finds generally belonged to the discoverer, except when they had been discovered on private land".Template:Sfn Local press perpetuated the accusations, claiming that the excavation harmed the site and deprived local archaeologists of knowledge about their own history. Landowners began to demand rent from the excavators.Template:Sfn By the time Bingham and his team left Machu Picchu, locals had formed coalitions to defend their ownership of Machu Picchu and its cultural remains, while Bingham claimed the artifacts ought to be studied by experts in American institutions.Template:Sfn

Dispute over cultural artifacts

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In 1912, 1914 and 1915, Bingham removed thousands of artifacts from Machu Picchu—ceramic vessels, silver statues, jewelry, and human bones—and took them to Yale University for further study, supposedly for 18 months. Yale instead kept the artifacts until 2012, arguing that Peru lacked the infrastructure and systems to care for them. Eliane Karp, an anthropologist and wife of former Peruvian President Alejandro Toledo, accused Yale of profiting from Peru's cultural heritage. Many of the articles were exhibited at Yale's Peabody Museum.Template:Sfn

In 2006, Yale returned some pieces but retained more than 250 "museum-quality" pieces, claiming this was supported by federal case law of Peruvian antiquities.<ref>Template:Cite news</ref> In 2007, the Peruvian government and Yale had agreed on a joint traveling exhibition and construction of a new museum and research center in Cusco advised by Yale. Yale acknowledged Peru's title to all the objects, but would share rights with Peru in the research collection, part of which would remain at Yale for continuing study.<ref>Template:Cite news</ref> In November 2010, Yale agreed to return the disputed artifacts.<ref>Template:Cite news</ref> The third and final batch of artifacts was delivered in November 2012.<ref>Template:Cite web</ref> The artifacts are permanently exhibited at the Machu Picchu Museum–Template:Lang, located near Cusco's colonial center and owned by the National University of San Antonio Abad del Cusco.Template:Sfn

Current state

Preservation

Template:Further In 1981, Peru declared an area of Template:Convert surrounding Machu Picchu a "Historic Sanctuary".<ref>Template:Cite web</ref> In addition to the ruins, the sanctuary includes a large portion of the adjoining region, rich with the flora and fauna of the Peruvian Yungas and Central Andean wet puna ecoregions.Template:Sfn

Beyond its historical significance, Machu Picchu houses a diverse range of species. Among them are the Andean fox, puma, vizcacha, spectacled bear, and white-tailed deer. The sanctuary is also habitat for more than 420 bird species, notably the cock-of-the-rock and the Andean condor. The area hosts over 550 tree species across 74 families, including ferns, gymnosperms, and palms.Template:Sfn

In 1983, UNESCO designated Machu Picchu a World Heritage Site, describing it as "a masterpiece of art, urbanism, architecture and engineering" and "a unique testimony" of the Inca civilization, with the inscription covering both the archaeological complex and its surrounding landscape.<ref name="unesco">Template:Cite web</ref>

The modern town of Machu Picchu

Along the Urubamba river, below the ruins, surrounding the train line "street", is the town of Machu Picchu, also known as Aguas Calientes (hot springs), with a post office, a train station, hotels, and other services for the many tourists. The station, called Template:Lang (bridge to the ruins) is the end of the line for the Template:Lang (tourist train), which arrives every morning from Cusco and returns every afternoon. There is also a luxury hotel on the mountain, near the ruins.Template:Sfn

Machu Picchu is officially twinned with Haworth, West Yorkshire, United Kingdom,<ref>Template:Cite web</ref> as well as Fukushima<ref name=JapTimes>Template:Cite web</ref> and Ōtama, Japan,<ref name=Jap>Template:Cite web</ref> Petra, Jordan,<ref name="Machu Picchu-Petra">Template:Cite web</ref> Medley, United States,<ref name="Miraflores-Medley">Template:Cite web</ref> and Tinum, Mexico.<ref>Template:Cite web</ref>

Tourist activity

Machu Picchu is both a cultural and natural UNESCO World Heritage Site. Since Hiram Bingham's expedition, growing numbers of tourists have visited the site each year, with numbers exceeding 1.5 million in 2024.Template:Sfn As Peru's most visited tourist attraction, and a major revenue generator, it is continually exposed to economic and commercial forces. In the late 1990s, the Peruvian government granted concessions to allow the construction of a cable car and a luxury hotel, including a tourist complex with boutiques and restaurants and a bridge to the site.<ref name="BBC1">Template:Cite news</ref> These plans faced widespread protests, with critics arguing that the government had failed to conduct a proper environmental impact survey, as requested by the National Institute of Natural Resources, which warned of potential harm to the ecosystem.Template:Sfn In 2018, plans were restarted to again construct a cable car to encourage Peruvians to visit Machu Picchu and boost domestic tourism.<ref>Template:Cite news</ref><ref>Template:Cite web</ref> A no-fly zone exists above the area.<ref name="ban">Template:Cite news</ref> UNESCO considered including Machu Picchu on its List of World Heritage in Danger in 2017 due to overcrowding concerns, but ultimately decided against it.<ref>Template:Cite news</ref><ref>Template:Cite web</ref>

Efforts to manage the impact of tourism have included various measures over the years. In the 1980s, a rock from Machu Picchu's central plaza was moved to create a helicopter landing zone, a practice which was later stopped. In 2006, the company Helicusco sought approval for tourist flights over the site, but the license was soon rescinded.<ref name="ban"/> In January 2010, severe flooding caused by El Niño trapped over 4,000 people and disrupted access to Machu Picchu, leading to its temporary closure.<ref>Template:Cite news</ref> The site reopened on April 1, 2010.<ref>Template:Cite web</ref> To further address tourism's impact, stricter entrance regulations were introduced in July 2011, limiting the number of daily visitors to 2,500 per day to the citadel and 400 to Huayna Picchu.<ref>Template:Cite web</ref> In 2018, a third entrance phase was added to better manage tourism and reduce site degradation.<ref>Template:Cite web</ref> In 2024, the daily visitor limit was officially increased to 4,500, with up to 5,600 permitted during peak season.<ref>Template:Cite news</ref><ref>Template:Cite news</ref>

In May 2012, UNESCO urged additional protection measures for the site's buffer zone, especially due to the rapid growth in the nearby town of Aguas Calientes.<ref>Template:Cite news</ref> Tourist deaths at Machu Picchu from altitude sickness, floods, and accidents have led to criticism of UNESCO for allowing visits despite the site's high safety risks.<ref>Template:Cite web</ref><ref>Template:Cite news</ref><ref>Template:Cite news</ref>Template:Sfn The trend of nude tourism in 2014 also led to increased surveillance by Peru's Ministry of Culture to end the practice.<ref>Template:Cite web</ref>

In recognition of efforts to manage and protect the site, Fernando Astete, who served as Chief of the National Archaeological Park of Machu Picchu from 1994 to 2019, was honored with the "Personalidad Meritoria de la Cultura" award by the Ministry of Culture of Peru in January 2020. This award acknowledged his extensive contributions to the preservation, management, and study of Machu Picchu.<ref>Template:Cite web</ref><ref>Template:Cite web</ref>

During the 2022–2023 Peruvian protests, routes to Machu Picchu were blocked, trapping thousands of tourists and leading to a government airlift of the stranded visitors.<ref name=":4">Template:Cite news</ref><ref>Template:Cite news</ref> Due to these disruptions, the Ministry of Culture closed the site indefinitely on January 22, 2023, and it was reopened on February 15, 2023.<ref name=":4" /><ref name="dw.com">Template:Cite news</ref><ref>Template:Cite news</ref>

Geography

Machu Picchu lies in the Southern Hemisphere, 13.111 degrees south of the equator.Template:Sfn It is Template:Convert northwest of Cusco, on the crest of the mountain Machu Picchu, located about Template:Convert above mean sea level, over Template:Convert lower than Cusco, which has an elevation of Template:Convert.Template:Sfn As such, it had a milder climate than the Inca capital. It is one of the most important archaeological sites in South America, one of the most visited tourist attractions in Latin America and the most visited in Peru.Template:Sfn

Machu Picchu is situated above a bow of the Urubamba River, which surrounds the site on three sides, where cliffs drop vertically for Template:Convert to the river at their base. The area is subject to morning mists rising from the river.Template:Sfn When inhabited by the Incas, the location of the city was a military secret, and its deep precipices and steep mountains provided natural defenses. The Inca Bridge, an Inca grass rope bridge, across the Urubamba River in the Pongo de Mainique, provided a secret entrance for the Inca army. Another Inca bridge was built to the west of Machu Picchu, the tree-trunk bridge, at a location where a gap occurs in the cliff that measures Template:Convert.

The city sits in a saddle between the two mountains Machu Picchu and Huayna Picchu, with a view down two valleys and a nearly impassable mountain at its back.Template:Sfn The bedrock is dominantly granite with smaller occurrences of granodiorite plus local dikes of peridotite and serpentine.Template:Sfn The agricultural terraces, covering about Template:Convert, complemented the site's architecture and protected against runoff and erosion. Constructed with stone retaining walls and well-drained topsoil, the terraces were built using deeper strata and stone chips to enhance drainage and ensure stability.Template:Sfn Two high-altitude routes from Machu Picchu cross the mountains back to Cusco, one through the Sun Gate, and the other across the Inca bridge. Both could have been blocked easily, should invaders have approached along them.

Machu Picchu and other sites in the area are built over earthquake faults. According to research conducted in 2019, this may not be a coincidence: "[o]ne simple answer, researchers now suggest, is that that's [earthquake faults] where building materials for the site—large amounts of already fractured rock—were readily available."<ref>Template:Cite web</ref>

Climate

Between the valley floor and the altitudinal zone of the Inca citadel, ranging from Template:Convert to Template:Convert meters above sea level, Machu Picchu features a subtropical highland climate, with an average annual precipitation of Template:Convert and an annual mean temperature of approximately Template:Convert. The site is characterized by steep slopes, dense vegetation, and significant rainfall, contributing to high humidity levels of 80–90%. The area is also frequently enveloped in cloud cover, typical of a cloud forest environment.Template:Sfn

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Site

Layout

The site is divided into two main sectors: an agricultural sector to the southeast composed of terraces (Template:Lang), and an urban sector to the northeast containing residences, places of worship and warehouses. The urban sector is further split into an upper town (Template:Lang) and a lower town (Template:Lang).Template:Sfn

The architecture is adapted to the mountains. Approximately 200 buildings are arranged on wide parallel terraces around an east–west central square. The various compounds, called Template:Lang, are long and narrow in order to exploit the terrain. Sophisticated channeling systems provided irrigation for the fields. Stone stairways set in the walls allowed access to the different levels across the site. The eastern section of the city was probably residential. The western section, separated by the square, was for religious and ceremonial purposes. This section contains the Template:Lang, the massive tower which may have been used as an observatory.Template:Sfn

Located in the urban sector are the primary archaeological treasures and tourist attractions: the Intihuatana, the Temple of the Sun and the Temple of the Three Windows.Template:Sfn

The Popular District, or Residential District, is the place where the lower-class people lived. It includes storage buildings and simple houses.Template:Sfn

The royalty area, a sector for the nobility, is a group of houses located in rows over a slope; the residence of the Template:Lang (wise people) was characterized by its reddish walls, and the zone of the Template:Lang (princesses) had trapezoid-shaped rooms. The Monumental Mausoleum is a carved statue with a vaulted interior and carved drawings. It was used for rites or sacrifices.

The Guardhouse is a three-sided building, with one of its long sides opening onto the Terrace of the Ceremonial Rock. The three-sided style of Inca architecture is known as the Template:Lang style.Template:Sfn

In 2005 and 2009, the University of Arkansas made detailed laser scans of the entire site and of the ruins at the top of the adjacent Huayna Picchu mountain. The scan data is available online for research purposes.<ref>Template:Cite web</ref>

Sites of interest

Temple of the Sun or Torreón

The Torreón is a semicircular, two-part structure built among the large granite blocks at Machu Picchu. It occupies the rock overlying Bingham’s "Royal Mausoleum" and, like the Coricancha at Cusco and Pisac, has been described as having a "parabolic enclosure wall".Template:Sfn Template:Sfn The lower part fills an irregular, cave-like space between wedged boulders and contains fine ashlar masonry with several trapezoidal niches, in some places the natural rock was worked into stepped ledges and platforms. The upper part sits on an oblong, artificially shaped rock surrounded by some of the site’s finest ashlar, the rock top is carved with steps and horizontal platforms and a Z-shaped edge commonly interpreted as an altar. The upper chamber’s wall contains embedded niches and a system of three openings (eastern, south-eastern and northern); the eastern and south-eastern openings have stone pegs of uncertain function, and the northern opening is door-like but damaged.Template:Sfn A trapezoidal opening known as the “Serpent’s Door” leads onto a small platform that overlooks a series of pools and affords a view of Huayna Picchu.Template:Sfn Archaeoastronomical studies report that the openings create characteristic sunlight patterns and allow limited views of important star groups (for example the Pleiades);Template:Sfn however, detailed 3D analyses indicate the Torreón was not a highly precise astronomical instrument but rather incorporated solar orientations for ritual and ceremonial purposes.Template:Sfn

Intihuatana stone

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The Intihuatana is a ritual stone which was used by the Incas. The stone is designed to point directly at the Sun during the winter solstice.Template:Sfn The name of the stone, likely attributed by Bingham due to a similar monument in Pisac, comes from Quechua and means "place where the sun is tied". While its exact function is debated, scholars generally reject the popular idea that it served as a solar calendar gnomon. Instead, it may have been used for horizontal solar observations and was aligned with sacred mountains and cardinal directions.Template:Sfn The stone is situated at 13°9'48" S. At midday on 11 November and 30 January, the Sun is situated almost exactly above the pillar, casting no shadow. On 21 June, the stone casts the longest shadow on its southern side, and on 21 December a much shorter shadow on its northern side.Template:Sfn Its placement may have held symbolic significance within a sacred landscape, aligning with prominent surrounding peaks such as Veronica, Salcantay, and Huayna Picchu.Template:Sfn

Inti Mach'ay and the Royal Feast of the Sun

Inti Mach'ay is a special cave used to observe the Royal Feast of the Sun. This festival was celebrated during the Incan month of Template:Lang. It began earlier in the month and concluded on the December solstice. On this day, noble boys were initiated into manhood by an ear-piercing ritual as they stood inside the cave and watched the sunrise.Template:Sfn

Architecturally, Inti Mach'ay is often considered to be one of the most significant structure at Machu Picchu. Its entrances, walls, steps, and windows display some of the finest masonry in the Inca Empire. The cave also includes a tunnel-like window unique among Incan structures, designed so that sunlight enters the interior only for a few days around the December solstice. This precise alignment suggests that Inti Mach'ay functioned as a solar observatory associated with the Template:Lang festival.Template:Sfn Inti Mach'ay is located on Machu Picchu's eastern side, just north of the "Condor Stone". Many of the caves surrounding this area were prehistorically used as tombs, yet there is no evidence that Mach'ay was a burial ground.Template:Sfn

Temple of the Three Windows

The Temple of the Three Windows stands on the eastern side of the Template:Lang, a 16 m × 16 m terrace at the heart of Machu Picchu's urban sector.Template:Sfn Its single trapezoidal wall is constructed of large, finely worked white granite blocks whose joints display helical planes unique in the site's masonry.Template:Sfn

This wall contains three oversized trapezoidal openings—dintels and jambs each carved from single stones—flanked by two smaller niches. Four terraces at the base of the wall retain the platform on its exterior face.Template:Sfn

From within the temple one can observe both sunrise and sunset across the ruins and surrounding mountains.Template:Sfn Evidence suggests it was originally roofed by a three‑wall timber truss system resting on wooden beams and pilasters set into side pockets in the masonry.Template:Sfn

During his 1911 visit, Hiram Bingham recorded a charcoal inscription on the central window reading "Lizárraga 1902", left by Agustín Lizárraga. The graffiti appears in Bingham's early photographs, published in The Geographical Journal (December 1911) and National Geographic Magazine (April 1912), indicating prior local knowledge and clearing of the site.Template:Sfn

Construction

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The central buildings of Machu Picchu are built in classical Inca dry masonry, with large blocks precisely shaped through quarrying, stone-cutting, and stone-dressing, then fitted together without mortar.Template:Sfn

The site may have been intentionally built on fault lines to provide natural drainage and a source of fractured stone for construction. According to geologist Rualdo Menegat, Machu Picchu "shows us that the Incan civilization was an empire of fractured rocks."<ref>Template:Cite web</ref>

The section of the mountain where Machu Picchu was built provided various challenges that the Incas solved with local materials. One issue was the seismic activity due to two fault lines which made mortar and similar building methods nearly useless. Instead, the Inca mined stones from some quarries at the site,Template:Sfn including one recently discovered using remote sensing techniques, which was probably located in the catchment area between the Hurin and Hanan before it was covered over to create the current Plaza Principal.Template:Sfn Once mined, the Inca lined the granite stones up and shaped them to fit together perfectly, stabilizing the structures. Inca walls have many stabilizing features: doors and windows are trapezoidal, narrowing from bottom to top; corners usually are rounded; inside corners often incline slightly into the rooms, and outside corners were often tied together by L-shaped blocks; walls are offset slightly from row to row rather than rising straight from bottom to top.Template:Sfn

Heavy rainfall required terraces to drain rain water and prevent mudslides, landslides, erosion, and flooding. Terraces were layered with stone chips, sand, dirt, and topsoil, to absorb water and prevent it from running down the mountain. Similar layering protected the large city center from flooding.Template:Sfn Multiple canals and reserves throughout the city provided water that could be supplied to the terraces for irrigation and to prevent erosion and flooding.Template:Sfn

The approach to moving and placing the enormous stones remains uncertain, probably involving hundreds of men to push the stones up inclines. A few stones have knobs that could have been used to lever them into position; the knobs were generally sanded away, with a few overlooked. For larger stones, the Incas likely employed ramps with gentle inclines, along with wooden rollers, levers, and ropes made from maguey fibers. Most stones were moved from higher to lower elevations, but some, like those at Ollantaytambo, were transported over long distances.Template:Sfn

Transportation

Machu Picchu was connected to the Inca road system and long-distance trade, as shown by obsidian nodules found near the site’s entrance. Analyses by Burger and Asaro in the 1970s traced them to the Titicaca or Chivay sources, indicating extensive pre-Hispanic exchange networks.Template:Sfn

Today, visitors can reach Machu Picchu via three main routes. The most popular option is the train journey from Cusco or Ollantaytambo. Operated by PeruRail and Inca Rail, this scenic route takes visitors to the town of Aguas Calientes, from where they can take a bus ride of Template:Convert or walk to the Machu Picchu entrance.Template:Sfn

Another widely chosen route is the Inca Trail, a historic path built by the Incas considered "the most famous hike in South America" by Lonely Planet,Template:Sfn attracting thousands of tourists each year.Template:Sfn The trail begins at either Template:Lang (Km 82 on the railway to Aguas Calientes) or Template:Lang (Km 104), and, depending on the starting point, spans up to approximately Template:Convert, reaching an altitude of Template:Convert at Warmi Wañusqa. It passes through the Andes and various archaeological sites before reaching the Template:Lang (Sun Gate) at Machu Picchu. Due to limited permits, advance booking through a tourism agency is required.Template:Sfn<ref>Template:Cite web</ref>

Alternatively, travelers can take a less conventional route that involves traveling by road to a point near the Hydroelectric station. From there, they can either walk or take a short train ride to Aguas Calientes.Template:Sfn This option is generally more affordable and does not require advance booking, but it is less recommended during the rainy season due to potential landslide risks.<ref>Template:Cite web</ref>

As of November 2024, the construction of a new paved roadway right to the doorstep of the historic site is in progress and due for completion in 2025. The path, otherwise known as Santa María-Santa Teresa-Machu Picchu Hydroelectric Bridge highway, involves 28.41 kilometers (22 miles) of asphalt-paved roads that would generally reduce access time to the heritage site from 4 or 5 hours, to 2 hours.<ref>Template:Cite web</ref>

In popular culture

Machu Picchu has appeared in several films, television programmes and music productions. The Paramount Pictures film Secret of the Incas (1954), starring Charlton Heston and Yma Sumac, was filmed on location at Machu Picchu and Cusco, marking the first time a major Hollywood studio shot on site.<ref>Template:Cite news</ref> Werner Herzog's drama Aguirre, the Wrath of God (1972) opens with scenes shot in the Machu Picchu area and on the stone stairway of Huayna Picchu.Template:Sfn The site features prominently in the biopic The Motorcycle Diaries (2004), based on Che Guevara's 1952 travel memoir,<ref>Template:Cite web</ref> and in the NOVA television documentary "Ghosts of Machu Picchu".<ref>Template:Cite web</ref> The site also appears briefly in The Simpsons episode Lost Verizon (2008).Template:Sfn Contemporary appearances include the footage of Machu Picchu in multimedia artist Kimsooja's Thread Routes series (2010)<ref>Template:Cite web</ref> and the blockbuster Transformers: Rise of the Beasts (2023), which filmed sequences at Machu Picchu and other Cusco sites.<ref>Template:Cite web</ref><ref>Template:Cite web</ref> The song "Kilimanjaro" from the Indian Tamil‑language film Enthiran (2010) was also filmed at Machu Picchu.<ref>Template:Cite news</ref><ref>Template:Cite news</ref>

References

External links

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Images

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Machu Picchu

Contents

Etymology

History

Ancient life

Daily life in Machu Picchu

Agricultural activity

Human sacrifice and mysticism

Encounters with Westerners

Spanish conquest

Search for the Neo-Inca capital

1911 American Expedition

Excavations and controversy (1912–1915)

Dispute over cultural artifacts

Current state

Preservation

The modern town of Machu Picchu

Tourist activity

Geography

Climate

Site

Layout

Sites of interest

Temple of the Sun or Torreón

Intihuatana stone

Inti Mach'ay and the Royal Feast of the Sun

Temple of the Three Windows

Construction

Transportation

In popular culture

See also

References

Notes

Citations

Bibliography

Further reading

External links

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