Machu Picchu
The most iconic archaeological site in the Americas and the Inca citadel that the Spanish conquest never found — Machu Picchu (Cusco Region, Peru; UNESCO WHS 1983) is a 15th-century Inca royal estate built at 2,430 meters on a dramatic granite ridge above the Urubamba River, rediscovered for the outside world by Hiram Bingham III in 1911 and now the most-visited heritage site in South America.
At a glance
Machu Picchu (the most precisely MachuPicchu single 15th century Inca citadel royal estate 2430m altitude Pachacuti Emperor 1438 1471 CE Huayna Picchu 2693m Urubamba River valley 930m below 150 structures granite ashlar masonry no mortar 700 agricultural terraces Temple of the Sun curved wall Hiram Bingham 1911 rediscovery Spanish conquest never found UNESCO heritage: the site (Machu Picchu covers approximately 32,500 hectares (the buffer zone) and the citadel proper covers approximately 5 km² of terraced construction; the site is divided into two principal sectors: the agricultural zone (the eastern terraces; cultivated in the 15th-16th centuries CE) and the urban zone (the western sector; divided by a central plaza into the Sacred District (the Temple of the Three Windows, the Temple of the Sun, the Intihuatana stone) and the Popular District (the residential compounds, the workshops, the storage facilities))); the construction (Machu Picchu was built approximately 1450-1460 CE during the reign of Sapa Inca Pachacuti (r. 1438-1471 CE); the construction technique (ashlar masonry: granite blocks cut with bronze tools (chisels and hammers) and shaped by abrasion; the blocks are laid without mortar; the walls are slightly tapered (wider at base, narrower at top) and the stones interlock in a way that resists earthquake deformation); the population (approximately 750-1,000 permanent inhabitants at peak; the site could host up to 1,200 people including seasonal visitors)) — the most precisely MachuPicchu single 15th century Inca citadel royal estate 2430m altitude Pachacuti Emperor 1438 1471 CE 32500 hectares 150 structures granite ashlar no mortar 700 terraces Temple Sun curved wall Hiram Bingham 1911 rediscovery Spanish never found UNESCO heritage in any UNESCO world heritage site)).
Key facts
- The Intihuatana Stone: the most precisely MachuPicchu single Intihuatana stone “hitching post of the sun” Quechua astronomical solar device 2 equinoxes sun directly above zero shadow December June solstice shadow northern southern corner unique Machu Picchu only Inca site intact colonial period Spaniards destroyed all other Intihuatanas as pagan UNESCO heritage — the most theologically significant object at Machu Picchu: the Intihuatana stone (the name is Quechua: “intiwatana” = “the hitching post of the sun” (inti=sun, wata=tie, ana=place)); the astronomical function (the Intihuatana is a carved granite pillar (approximately 1.8m tall) fixed at the center of an astronomical observation platform; at the two equinoxes (March 21 and September 23), the sun stands directly above the pillar and casts no shadow; at the December solstice (June 21 in the Southern Hemisphere), the shadow falls to the northwest at a precise angle; the Inca ceremony of “tying the sun” (conducted at each solstice to prevent the sun from “escaping” further south) was performed at the Intihuatana); the uniqueness (every other Intihuatana stone in the Inca empire was destroyed by the Spanish conquistadors as a pagan idol; Machu Picchu was never found by the Spanish, so its Intihuatana is the only intact example)
- GPS: -13.1631° S, -72.5450° W
History
From Pachacuti’s estate to abandonment to rediscovery (the most precisely MachuPicchu single Pachacuti 1450 CE construction royal estate 750 1000 inhabitants plateau Sapa Inca court Spanish conquest 1532 CE Pizarro Francisco abandon 100 years isolation Hiram Bingham Yale 1911 National Geographic 1913 cover Peruvian guide Melchor Arteaga Augusto Berns 1867 Richard Burger 2003 analysis UNESCO heritage: the construction and Inca period (approximately 1450-1532 CE: Machu Picchu was built by the Sapa Inca Pachacuti Inca Yupanqui (r. 1438-1471 CE), the ninth ruler of the Inca Empire and the ruler who transformed the small Inca kingdom into the Tawantinsuyu empire (the “Four Quarters of the World”; the largest pre-Columbian empire in the Americas); the function (archaeological analysis by Richard Burger and Lucy Salazar-Burger (Yale University, 2003 CE) and subsequent isotopic analysis suggest Machu Picchu was a royal estate of Pachacuti, not a military fortress or a religious center; approximately 60% of the skeletal remains found at the site were female (the aclla (chosen women), the specialists in weaving and brewing chicha)); the abandonment (approximately 1532-1572 CE: Machu Picchu was abandoned as the Inca Empire collapsed under the Spanish conquest (Francisco Pizarro captured the Inca Emperor Atahualpa in 1532 CE; the Inca capital of Cusco fell in 1533 CE); the reason Machu Picchu was not discovered by the Spanish (the site was on a dead-end road accessible only from the Inca road network; the local population of the Urubamba Valley did not reveal it to the Spanish); the rediscovery (1911 CE: Hiram Bingham III (Yale University) was led to the site on July 24, 1911 CE, by a local farmer, Melchor Arteaga, who knew of the site as “the place where a family grows potatoes”; two families were living on the site and farming the agricultural terraces; Bingham photographed the site and published the discovery in National Geographic in April 1913 CE)) — the most precisely MachuPicchu single Pachacuti 1438 1471 CE construction royal estate aclla chosen women 60 female skeletal remains abandonment 1532 Spanish conquest Pizarro Atahualpa Hiram Bingham 1911 Melchor Arteaga National Geographic 1913 UNESCO heritage in any UNESCO world heritage site)).
What you see
The terraces, the sacred district, and the Inca masonry (the most precisely MachuPicchu single Temple Sun curved wall semicircular Intihuatana stone hitching post solar equinox zero shadow Temple Three Windows three large trapezoidal windows Royal Tomb cave Guardhouse classic view southeastern agricultural terraces urban zone Sacred Popular district Huayna Picchu climb UNESCO heritage: the visitor circuit: the Guardhouse (the first stop after the entrance gate; the high-altitude viewpoint that provides the classic panoramic view of Machu Picchu (the terraces, the urban zone, Huayna Picchu behind); the best photography location); the Sacred District (the most architecturally refined part of the site: the Temple of the Sun (the only curved wall in Machu Picchu; built over a natural granite outcrop (the “Royal Tomb” cave is beneath the temple); the two precisely aligned windows (the window on the east, aligned with the solstice sunrise, and the window on the north)); the Intihuatana stone (the solar calendar; the most visited single object at the site)); the Temple of the Three Windows (three large trapezoidal windows overlooking the central plaza; the three windows are aligned to catch the rising sun); the urban zone (the Inca residences (the finely fitted limestone blocks of the elite residences vs. the rougher rubble-fill walls of the worker residences); the water distribution system (the 16 fountains in sequence from the mountain spring to the lowest terrace))) — the most precisely MachuPicchu single Temple Sun curved wall Intihuatana stone solar equinox zero shadow Temple Three Windows Guardhouse classic view Sacred Popular district Huayna Picchu climb 1h vertical UNESCO heritage in any UNESCO world heritage site)).
Practical information
- Getting there: fly to Alejandro Velasco Astete International Airport (CUZ; Cusco; 80 km south); the train from Cusco to Aguas Calientes (the official Peru Rail “Vistadome” or “Expedition” trains: 3h30m; approximately $70-90 USD one-way; the most comfortable connection; the train follows the Urubamba River gorge through the cloud forest); the bus from Aguas Calientes to the site entrance (the zigzag bus road from the town to the gate; 25 min; approximately $24 USD round trip; departs every 10 minutes from 05:30); the timed-entry ticket system (visitors must book timed-entry tickets in advance (advance booking of 1-3 months recommended for high season June-September); the daily visitor limit is 4,044 (as of 2023 CE; the limit has been progressively reduced from the 1990s peak of 5,000+)); the altitude (Aguas Calientes is at 2,040m; the site entrance is at 2,430m; some altitude acclimatization in Cusco (3,400m) for 1-2 days before visiting Machu Picchu is strongly recommended)
Getting there
Fly to Cusco (CUZ). Train from Cusco to Aguas Calientes (~3h30m, ~$70-90 USD) + bus to gate (25 min, $24 USD). Book timed-entry ticket 1-3 months ahead. Daily limit 4,044 visitors. GPS: -13.1631, -72.5450.
Nearby
- Historic Centre of Cusco — 80 km south (UNESCO WHS 1983; the Inca capital of Tawantinsuyu; the Qoricancha (the Temple of the Sun; the most sacred building in the Inca empire; the Spanish built the Convent of Santo Domingo on top of the Inca foundations; the lower Inca walls (extraordinary precision ashlar masonry) are visible in the lower courses of the colonial church); the Plaza de Armas (the principal square; the Cathedral of Cusco (1654 CE) and the Church of La Compañía de Jesús (1668 CE) flank the square); the Sacsayhuamán fortress (3 km north of the Plaza de Armas; the Inca fortress with zigzag walls of enormous limestone blocks (some blocks weigh 300 tonnes))
- Sacred Valley (Valle Sagrado de los Incas) — 30-60 km northwest (the Urubamba Valley between Pisac and Ollantaytambo; the Pisac market and Inca ruins; Ollantaytambo (the only Inca town where the original urban plan and architecture survive at street level); the salt pans of Maras (still in production since pre-Inca times)); the Moray Inca terraced circles (possibly an Inca agricultural laboratory (the concentric terraced circles create different microclimates at each level)))
Sources
- Wikipedia, Machu Picchu; Intihuatana; Pachacuti; Hiram Bingham III, accessed June 2026
- UNESCO, Historic Sanctuary of Machu Picchu, WHS reference 274, inscribed 1983
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