Cahuachi: The Adobe Pilgrimage Centre of the Nazca People

Cahuachi was the great ceremonial centre of the Nazca (or Nasca) culture of southern Peru, used mainly between about AD 1 and AD 500. Spread along the desert bank of the Nazca River, its adobe-clad mounds hosted rituals, feasts and offerings for people from across the region, and it lies within sight of the plain where the Nazca Lines were drawn. It is one of the keys to understanding how a society without cities or writing organised its religious life.

Background: the Nazca world

The Nazca culture developed on Peru’s arid south coast from about 100 BC, growing out of the earlier Paracas culture, famous for its textiles. The Nazca lived in scattered villages in the river valleys of the Ica and Río Grande de Nazca drainage, farming beans, maize, squash, cotton and other crops wherever water allowed.

They are best known today for two things: brightly painted polychrome pottery and the vast drawings scraped into the desert surface. Cahuachi connects both. Large amounts of fine painted pottery were broken and deposited there, and the site stands close to the pampa covered with lines and figures.

Setting and layout

Cahuachi lies on the south side of the Nazca River, west of the modern town of Nazca. In this stretch of the valley the river often runs underground for part of the year and resurfaces nearby. The archaeologist Helaine Silverman suggested that this reappearance of water in a desert may have made the place sacred.

The site covers a large area, with roughly 40 mounds commonly counted. Many are not solid artificial pyramids. Instead, builders took natural hillocks and reshaped them with terraces, retaining walls and platforms of adobe (sun-dried mud brick), then plastered and sometimes painted the surfaces. The largest of these, often called the Great Temple, rises above a series of plazas and enclosures.

Builders used distinctive adobes, including loaf-shaped and conical bricks in earlier phases. Walls were renewed and rooms deliberately filled in over time, a pattern of rebuilding seen at many Andean sacred sites.

Rituals, offerings and pilgrims

Excavations have found little evidence of ordinary everyday life on the scale of a city: few large residential areas and limited craft production. What they have found are signs of ritual activity, including:

• Large quantities of fine polychrome pottery, much of it deliberately broken.
• Caches of ceramic panpipes, an instrument closely associated with Nazca ceremony.
• Textiles, feathers, food remains and llama offerings.
• Human “trophy heads”, a well-known Nazca practice whose meaning (ancestor veneration, warfare or both) is debated.

Silverman’s work in the 1980s led her to argue that Cahuachi was a pilgrimage centre. In her view, a small group of caretakers lived there permanently, while people from across the Nazca region gathered at certain times for ceremonies, feasts and the building and renewal of mounds. The plazas could hold large crowds, and the debris fits episodes of mass gathering.

Excavations and debate

Cahuachi drew the attention of early researchers in the region, among them the American anthropologist Alfred Kroeber in the 1920s. William Duncan Strong excavated there in 1952–53 and assumed it was a town. Silverman’s fieldwork changed that picture.

From the 1980s onward, the Italian archaeologist Giuseppe Orefici directed long-running excavations (the Proyecto Nasca). His team uncovered more architecture, burials and offerings, and argued for a longer and more complex sequence of building than earlier studies had shown. Scholars still debate how many people lived at the site and how centralised Nazca society was.

Decline and later use

Around AD 400–500, Cahuachi lost its role as the main ceremonial centre. Orefici’s team identified evidence of flooding and earthquake damage, and some researchers link the change to wider shifts in Nazca society and settlement. Parts of the site were then ritually buried or sealed.

In later periods, people used Cahuachi as a cemetery. These graves attracted looters (huaqueros) in modern times, and many surfaces are pitted with their holes, a serious problem for archaeologists.

Myths and facts

Myth: Cahuachi was a lost Nazca capital city. Fact: Most evidence points to a ceremonial and pilgrimage centre with a small resident population, not a dense urban capital.

Myth: The Nazca Lines were made to be seen from the air by visitors from elsewhere. Fact: The lines could be walked along on the ground, and their closeness to Cahuachi supports interpretations rooted in Nazca religion, water and ritual processions.

Timeline

• c. 100 BC: Nazca culture emerges from Paracas traditions on Peru’s south coast.
• c. AD 1–400: Main building and ritual use of Cahuachi during the Early Nazca period.
• c. AD 400–500: Cahuachi loses its central role; parts are sealed and later used for burials.
• 1952–53: William Duncan Strong excavates at the site.
• 1983–85: Helaine Silverman carries out fieldwork and develops the pilgrimage-centre model.
• From 1980s: Giuseppe Orefici’s Proyecto Nasca begins decades of excavation.

Why it matters

Cahuachi shows how a society of farming villages could create a monumental sacred landscape without a city at its heart. Together with the desert geoglyphs and the later Moche civilization to the north, it reveals the variety of ways ancient Andean peoples built religion into the land itself.