Origins and Founding of the Inca

The origins and founding of the Inca refer to the long process — partly legendary, partly historical — by which a small highland people of the Cusco basin in what is now southern Peru became the ruling group of a vast Andean empire. The earliest layer of the tradition is a corpus of foundation myths preserved in oral memory and recorded by sixteenth-century chroniclers such as Pedro Sarmiento de Gamboa, Juan de Betanzos, and Pedro Cieza de León. Beneath the myths, archaeology and ethnohistory describe a real ethnogenesis in the valleys around Cusco between roughly 1200 and 1400 CE, in which a Quechua-speaking elite consolidated power over neighboring ayllus, absorbed the cultural inheritance of older Andean states such as Tiwanaku and Wari, and laid the institutional foundations on which the later empire of Tawantinsuyu would be built. The full legendary account of the founding pair is treated in the article on Manco Cápac, the legendary founder of the Inca.

The story of Inca origins cannot be told as the biography of a single founder or the founding moment of a single city. It is the story of a people, a language, a religion, and a political system taking shape over several generations in a highland basin that was already deeply shaped by previous Andean civilizations. The Inca state that would, by the late fifteenth century, stretch from Quito to central Chile was the product of this slow maturation, not of a single act of foundation. For the broader history of which the founding period is a part, see the overview of the history of the Inca civilization.

Mythic Origins and the Founding Legend

The best-known version of the Inca origin myth is preserved in Sarmiento de Gamboa’s Historia de los Incas (1572), compiled from the testimony of Inca nobles interrogated by the Spanish Crown. According to this account, the creator god Viracocha shaped a first race of giants at Tiwanaku near Lake Titicaca and then destroyed them with a flood for their sins. He then created a second race, smaller and more obedient, and from among them he chose four brothers and four sisters — Manco Cápac and Mama Ocllo, Ayar Cachi and Mama Cora, Ayar Uchu and Mama Rahua, and Ayar Manco and Mama Yaya — to be the founders of a chosen people. The brothers and sisters were sent forth from a cave or windowed shrine called Tampu Tocco to found a kingdom in which they would teach humanity the arts of agriculture, herding, and worship. The full symbolic content of the foundation legend, including the role of the sacred cave, the journey of the ayars, and the foundation of Cusco, is examined in the article on Manco Cápac, the legendary founder of the Inca.

Earlier and parallel versions of the myth differ in important details. In the version recorded by Juan de Betanzos in his Suma y narración de los Incas (c. 1551), the founder Manco Cápac and his sister-wife Mama Ocllo emerge from a cave at Paccarictambo, about 25 kilometers south of Cusco, and are tested by the Sun, who gives them a golden staff to test the soil of the lands they will occupy. The staff sinks without resistance only at the site of Cusco, which they thereupon found. In yet another tradition, recorded by Pedro Cieza de León, the founders emerge from Lake Titicaca itself, and the chosen site of Cusco is determined by a sacred idol. These differences are not contradictions but complementary regional memories: the version that came to dominate was the one sponsored by the imperial court of the Inca Pachacuti in the fifteenth century and later codified by the chroniclers he patronized. For the cosmological framework in which these myths are set, see the related discussion of the Inca creation myth and the figure of Viracocha.

The historicity of the founding legend has been debated since the sixteenth century. Some scholars, following the Spanish priest Bernabé Cobo, treat the figures of Manco Cápac and the eight brothers and sisters as purely mythic. Others, including the ethnohistorian Tom Zuidema in The Ceque System of Cusco (2002), read the legend as a symbolic encoding of the social geography of pre-imperial Cusco. The broad scholarly consensus is that the legend compresses a real process of migration, confederation, and territorial expansion over several generations into a single idealized biography.

Ethnogenesis in the Cusco Valley

Beneath the mythic layer, archaeology and ethnohistory describe a process of ethnogenesis in which the people who came to call themselves Inca — a name that originally may have referred to a single lineage or ayllu — gradually absorbed neighboring groups in the Cusco valley and adjacent basins. The Cusco valley lies at an elevation of about 3,200 to 3,500 meters in the eastern cordillera of the southern Peruvian Andes, between the Vilcanota and Apurímac river systems. In the centuries before the rise of the Inca, the valley was occupied by a patchwork of small polities, each centered on a defended town and the surrounding agricultural terraces and irrigation canals. Archaeological surveys have identified dozens of such settlements in the valley, of which the largest and best known are Cusco itself, Pikillacta, Huaro, and Rumicolca.

The political consolidation of these polities can be traced through the archaeological record in the gradual expansion of Cusco’s monumental architecture, the spread of a distinctive style of imperial stonework, and the integration of outlying sites into a single administrative network. By about 1200 CE, Cusco had become the principal settlement of the valley, and by about 1300 it was the seat of a polity capable of mobilizing labor for large construction projects. The most important surviving monument of this early phase is the cyclopean fortress of Sacsayhuamán, whose lower walls are attributed by most archaeologists to the late pre-imperial period. The architectural traditions visible at Sacsayhuamán, and especially the mortared ashlar masonry later refined at sites such as Coricancha and the Temple of the Sun, drew on a long Andean heritage of stonework that the Incas inherited and perfected.

The society that produced these monuments was organized around the ayllu, a kinship group that held land collectively, performed ritual labor in honor of its founding ancestors, and provided its members with access to fields, pastures, and water. The early Cusco state can be understood as a federation of ayllus presided over by a hereditary chief who, in the earliest period, was not yet a sacred figure of imperial stature. The position of this chief — eventually to be transformed into the Sapa Inca — was tied to the Hanan Cusco moiety, the upper moiety of the city, while the lower moiety of Hurin Cusco retained its own hereditary leaders and ritual functions. The dual division of the city, preserved in the plan of imperial Cusco, is one of the deepest structural features of Inca society.

Tiwanaku and Wari Inheritance

The early Inca did not invent their civilization from nothing. The Cusco valley had been incorporated into the sphere of two earlier Andean empires before the Inca rise: the Middle Horizon states of Tiwanaku (c. 500–1000 CE) on the altiplano around Lake Titicaca, and Wari (c. 600–1000 CE) in the Ayacucho basin. Both states had outposts and colonies in the Cusco region, and both left durable marks on local religion, art, and technology. The Wari site of Pikillacta, located about 25 kilometers southeast of Cusco, was one of the largest planned cities of the Middle Horizon, and its grid plan, plastered walls, and storage facilities are often cited as direct precedents for Inca statecraft. The article on the Tiwanaku and Wari influence on early Inca society examines this inheritance in detail.

The Tiwanaku and Wari inheritance is visible in Inca material culture, in the iconography of the Inca pantheon, and in a range of administrative and ritual practices. Inca state religion, in particular, retained long after the imperial transformation a stratum of older highland beliefs in which creator deities, ancestor mummies, and sacred landscape features played a central role. The carved stone figures of the Kenko complex near Cusco, the sunken courtyard temple of the same site, and the carved rocks above the village of Tambomachay all preserve iconographic elements that scholars have traced to Tiwanaku and Wari prototypes. The cult of the Pachamama, the Earth Mother, widely practiced in the Andes today, is also a Middle Horizon inheritance.

The collapse of Wari around 1000 CE and the gradual waning of Tiwanaku influence opened a power vacuum in the central Andes. Into this vacuum moved a host of small successor states, of which the Inca state of Cusco was the most successful. The successor states shared a common cultural and linguistic substrate, and the political fragmentation of the Late Intermediate Period (c. 1000–1476 CE) made intensive competition and rapid innovation possible. The Incas were, in this sense, the heirs of Tiwanaku and Wari as well as their rivals and destroyers.

The Early Kingdom of Cusco

The political history of the early Incas is preserved in a royal genealogy of rulers traditionally counted from Manco Cápac. Modern scholars treat the first eight or so rulers as semi-legendary, with deeds that mix foundation myths and the memory of irrigation works, territorial disputes, and dynastic struggles. The list of rulers in the Comentarios Reales de los Incas (1609) of Inca Garcilaso de la Vega, a descendant of Inca nobility writing in Spain, runs from Manco Cápac through Sinchi Roca, Lloque Yupanqui, Mayta Cápac, Cápac Yupanqui, and Inca Roca, and then to Yáhuar Huácac, Viracocha, and finally to the founder of the empire, Pachacuti. The accounts of the early rulers emphasize their piety, their skill as irrigators, and their role in extending the bounds of the small kingdom. None of these early rulers is associated with large-scale conquest, which is consistent with the picture of a small, slowly expanding polity deduced from archaeology.

By the late fourteenth century, the kingdom of Cusco was surrounded by several larger or more populous polities, including the Chanka of the Andahuaylas region to the west, the Quechuas of the Apurímac, the Lupaca and Colla of the Lake Titicaca basin, and the Kichwa peoples of the tropical lowlands to the east. The Cusco state was by no means the largest or wealthiest of these polities; its rise to dominance is therefore all the more remarkable. The decisive moment came in the early fifteenth century, when the Chanka invaded the Cusco valley and threatened the very existence of the kingdom. The traditional account of this invasion, and the role of the young prince Cusi Yupanqui in repelling it, is treated in the account of the rise of the Inca Empire. Cusi Yupanqui’s victory and his subsequent accession as the emperor Pachacuti mark the transition from the pre-imperial period to the imperial period proper. For the further development of the empire, see the article on the Inca Empire at its height.

The Calendar, Time, and the Sacred Landscape

The early Incas, like all Andean peoples, organized their lives around a careful observation of the sun, the moon, and the Pleiades. The Inca calendar combined a solar reckoning of twelve months with a ritual cycle of festivals and a complex system of horizon-aligned shrines called huacas. The year began in June with the festival of Inti Raymi, the winter solstice, when the sun reached its farthest northern declination and was symbolically re-tied to the earth. The article on the Inca calendar and time reckoning examines the architecture of this system in detail, including the role of the solar pillars at Quiancahuasi outside Cusco, the lunar counts used to fix agricultural work, and the long-term ritual cycles that structured the Andean year.

The sacred geography of the early Inca state was anchored in Cusco, which was conceived as a microcosm of the cosmos. The city was divided into a grid of neighborhoods called canchas, each associated with a particular lineage, and each linked by a system of ceques — radiating sightlines — to a sequence of shrines, fountains, and tombs in the surrounding countryside. The ceque system, described in detail by Zuidema, was both a religious calendar, a map of the social order, and a record of the historical expansion of the Cusco state. The system was reorganized and extended under Pachacuti to encompass the new empire, and its traces can still be identified in the rural districts around Cusco and in the Sacred Valley of the Incas to the north.

The combination of mythic memory, ethnographic consolidation, inherited Andean high culture, and practical statecraft made the pre-imperial Inca state a uniquely capable political organism. It was this state, in the early fifteenth century, that the young Pachacuti inherited and began to transform into a continental empire.