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Huaca Cao Viejo, La Libertad, Peru

Huaca Cao Viejo is an archaeological site located in the Chicama Valley in northern Peru. It is part of the El Brujo Archaeological Complex.

Its main construction is a truncated pyramid belonging to the Moche culture (between the 3rd and 7th centuries BCE).

It is notable for its colorful high relief murals; the tomb of the so-called Lady of Cao was also discovered there.

Entrance to the El Brujo Archaeological Complex
Located in the Chicama Valley, the El Brujo Archaeological Complex, just north of Trujillo, La Libertad Province, Peru, is an ancient archaeological site that was occupied from preceramic times.

  • Considering the broad cultural sequencing, the Chicama Valley can be considered as an archaeological microcosm.
  • Research at the site benefits from the favourable environmental and topological conditions for material conservation.
  • See more at El Brujo - Wikipedia.

Huaca Cao Viejo: A Moche Temple
The El Brujo Archaeological Complex has various buildings from the Moche era of differing dimensions. Two of them stand out due to their size: Huaca Cortada, or Huaca El Brujo, and Huaca Cao Viejo.

  • Huaca Cao Viejo has been extensively researched since the 1990s.
  • It is a Moche temple whose construction, with millions of adobes, dates to the first centuries of the common era.
  • This temple consists of the following components: the main building (with a decorated facade and distinct spaces on its top), the ceremonial plaza, and the annexes to the East and West.

Scale model of the Huaca Cao Viejo


Plan of Huaca Cao Viejo
Plan Legend:

  1. Entrance
  2. Ceremonial Plaza
  3. Main Facade
  4. Corner Room and the Mythic Ceremonial Calendar
  5. East Annex
  6. The Officiants
  7. The Upper Platform
  8. The Wall of the Last Ceremonial Patio
  9. The Patio of the Marine Friezes
  10. The Ceremonial Room

The Main Building, the Ceremonial Plaza and the Main Facade
The Main Building and the Ceremonial Plaza

  • The Main Building is a truncated pyramid with four stepped faces The facade, to the north, displays polychrome murals in high relief on its lower terraces. The overall dimensions of this pyramid are 150 meters (492 ft) in length, 100 meters (328 ft) in width, and 28 meters (92 ft) in height, at over 40 meters (131 ft) above sea level.
  • Investigations show that in this place, five buildings were actually constructed, one on top of the other, in a successive manner.
  • To build a new temple, the previous building was converted into its constructive fill. To achieve this, the spaces of the old building were filled with blocks of broken adobe (BAT); then, on top of this foundation, the architecture of the new building was constructed.
  • The Ceremonial Plaza is a large open space measuring 140 x 75 meters (460 x 146 ft). It served as a gathering place for those who came to the temple and as a stage for complex public ceremonies.
  • The diverse surrounding spaces, as well as platforms situated to the East of the Plaza, suggest the possibility that these spaces would have been used in complementary ceremonies for smaller audiences.

The Main Facade

  • The Main Facade displays polychrome murals in high relief, whose contents were related to the conception of the world and the Moche's exercise of power. On the lower levels, distinct themes and characters characteristic of the period can be identified: the procession of warriors and naked prisoners, interpersonal combat, officiants tied by their hands, and "The Decapitator” (principal Moche deity), among others.
  • In addition to being known as "The Decapitator", this Moche deity has received various other names: “Aiapaec", "The God of the Mountain", "The Spider God". To avoid confusion, we will refer to him only by the name "The Decapitator", in reference to his principal distinctive attribute.
  • Due to their position in the plaza, it is likely that the representations on the frontal face of the building were directed at those who congregated there, relaying the messages and guidelines that should be followed for the events that were carried out there.

Ceremonial Plaza (Plan No. 2)

Panorama of the Ceremonial Plaza


Main Facade (Plan No. 3)

Panorama of the Main Facade


The procession of warriors and naked prisoners


The Corner Room and the Mythic Ceremonial Calendar (Plan No. 4)

The Corner Room and the Mythic Ceremonial Calendar
The room located in the southeast corner of the Ceremonial Plaza, or the “corner room", was apparently the most sacred space of the plaza, probably reserved for religious leaders during the most important moments of the ceremonies.

  • On the exterior of the corner room, two polychrome murals depict the so-called “Complex Themes”.
  • It is believed that they were a sort of calendar that explained the origin and order of the Moche world; they emphasize agricultural and maritime activity, the cycle of life, and the cult of divinities and ancestors.
  • Originally, this space had a roof that was plastered with a decorated ceiling, with themes analogous to those depicted on the exterior walls of the room.

Panorama of the Corner Room and the Mythic Ceremonial Calendar


The Corner Room


The Mythic Ceremonial Calendar


The East Annex (Plan No. 5)

The East Annex of Huaca Cao Viejo
The East Annex, located to the East of the Ceremonial Plaza, is a large platform composed of millions of adobes grouped in blocks of broken adobes (BAT), the type of constructive fill typical of the Moche period.

  • The adobes from the last stages of constructign of the huaca are characterized by, having individual marks, commonly interpreted as the distinctive marks of the community responsible for their production. This feature is associated, chronologically, with the latest times of the Moche phenomenon.
  • Recent investigations have revealed, under six meters of BATs, an extensive and dynamic domestic: area contemporaneous with the first constructive stages of Huaca Cao Viejo, associated with the prepardtion of food and the raising of fivestock. According to the evidence, a street connected this space with other residences, seemingly corresponding to human groups of a low social status.

Panorama of the East Annex


The Officiants (Plan No. 6)

The Officiants and the Principal Deity
On this platform are depicted individuals with their hands tied in a frontal position, often referred to as officiants. These same individuals appear in Moche iconography as dancing, holding white ribbons and accompanied by musicians.

  • On another platform, the principal Moche deity, "The Decapitator", can be seen. This character is represented in a hybrid manner, with human and animal features. He carries a tumi, or ceremonial knife, in one hand and a human head in the other, and has spider-like extremities and feline fangs. In spite of his connection to the Moche religion, it is estimated that the cult of this Andean divinity dates back to 1,000 BCE.
  • Cupisnique stone plates (1200-500 BCE) with the image of "The Decapitator”.
  • Scene of musicians and dancers holding hands depicted in Moche iconography.

The Officiants


The Principal Deity


The Upper Platform (Plan No. 7)

The Upper Platform
In this space, two architectural components fit together: a small stepped pyramid and a ceremonial patio. The small pyramid possesses an access ramp and was the main altar of Huaca Cao Viejo. In this place, the sacrificial ceremonies that began publicly in the plaza were finalized.

  • The walls of the ceremonial patio were decorated with polychrome figures in high relief. Here, restricted ceremonies were celebrated, directed at smaller and more privileged audiences.
  • The patio was surrounded by interconnected rooms for specific cults. Excavations have also revealed the bodies of some sacrificed individuals who were buried under the floor of this ceremonial patio, within the foundation of the last building.

The march of the sacrificed to the summit
Moche scene that depicts the march of the sacrificed individuals to the summit of the temple.


The Wall of the Last Ceremonial Patio (Plan No. 8)

The Wall of the Last Ceremonial Patio
In 1995, archaeologists discovered a collapsed wall on top of Huaca Cao Viejo. On the southern part of this wall, which probably collapsed after the abandonment of the building, a surface that was finely decorated in high relief was discovered, defined by a sequence of rhombuses and triangles. The principal design corresponds to "The Decapitator" (Moche principal deity), who is surrounded by serpents and birds.

  • In its time, this wall formed a part of an ample ceremonial patio that belonged to the last building of Huaca Cao Viejo.

The Wall of the Last Ceremonial Patio
The bottom photo is a modern reproduction.


The Patio of the Marine Friezes (Plan No. 9)

The Patio of the Marine Friezes
This patio is also known as the Patio of the Stingrays and Manta Rays, dating to approximately the 5th century of the common era. It is a ceremonial patio that measures approximately 30 meters (98 ft) each side. It contains a ceremonial corner room on whose northern face appear two polychrome, high-relief representations, corresponding to the supernatural being known as "The Decapitator’. This character has feline and arachnid features, a sort of staff in one hand, and a human head in the other.

  • The east and south walls of the patio are decorated with stylized designs of fish, especially stingrays and manta rays (thus the name), in high relief and polychrome. The west wall displays representations, similarly stylized, of the life fish (Trichomycterus sp.), a freshwater animal.
  1. Designs of aquatic animals in a spiral layout.
  2. Figures of marine animals depicted on the southern wall of the ceremonial patio.
  3. Figures of life fish depicted on the western wall of the ceremonial patio.

Panorama of the Marine Friezes


Panorama with the continuation of the Marine Friezes


The Chambered Tomb of the Moche Elite and the Patio of the First Building
In this place, around the 8th century, a person of high status in the hierarchy was buried in a double-chambered tomb. His body was placed in a reed cofin and was originally accompanied by more than sixteen individuals, the majority adolescents, in addition to various fine objects. However, at some time during this period, both the body and its offerings were extracted from the tomb.

  • Most likely, the people of that time retrieved the ancestor for religious or political purposes. Beyond possible explanations, the body was never returned to its tomb, which remained empty until it was discovered by archaeologists.
  • Underneath the Patio of the Stingrays and Manta Rays, evidence of another older open space was discovered, corresponding to the first building of Huaca Cao Viejo. Its wall displays painted murals of marine fish, and the associated square columns were adorned with images of bicephalous life fish.

Panorama of the Chambered Tomb


The Rooms that Surround the Patio of the Marine Frieze
These spaces are connected by an external passage oriented toward the sea, and are laid out from north to south. Only three rooms have been excavated.

  • The interiors of these spaces are painted white and their walls have niches. The use of these rooms is still not known with certainty; they were probably utilized for ceremonial activities of a more private and intimate nature.
  • In one of the rooms, buried beneath hundreds of adobes, a 2.48-meter-tall (8 ft) idol was discovered, carved in lúcumo wood.
  • To date, this is the only discovery of a Moche idol of this size. This piece can be found on exhibit in the Museum.

The Ceremonial Room (Plan No. 10)

The Ceremonial Room
The walls of this room exhibit fine decoration with schematic representations of stingrays and life fish, fauna of the sea and river, respectively.

  • As with all ample Moche spaces, it contains a corner room on whose walls were depicted the most notable Moche figures: anthropomorphic beings with feline features accompanied by condors and serpents, the so-called "lunar animal", and stepped waves.
  1. Representation of life fish on the southern wall of the ceremonial room.
  2. Representation of “The Decapitator” on the northern wall of the corner room.
  3. Schematic representation of rays on the eastern wall of the ceremonial room.
  4. Drawing of the “lunar animal” on the western wall of the corner room.

Panorama of the Ceremonial Room


The “Decapitator”
The “Decapitator” on the northern wall of the corner room.


The “lunar animal”
The “lunar animal” on the western wall of the corner room.


Panorama of the Eastern Wall of the Ceremonial Room
Notice the representation of rays on the eastern wall of the ceremonial room.


Panorama of the Ceremonial Room including the Tombs


The Funerary Context of the Lady of Cao
In 2004, a set of five tombs was uncovered, of which the largest and deepest stood out, containing the mummy bundle of an important person of the Moche elite: Lady of Cao.

  • To date, it is a unique find in Peruvian archaeology due to the biological sex of the person, the presence of a mummy bundle that remained intact for hundred of years, its extraordinary state of conservation, and the quantity of objects associated with their death.
  • Tomb 3, located at the foot of the corner room of this patio, and covered with original algarrobo wood planks, contained the mummy bundle of the Lady of Cao, accompanied by the body of an adolescent who was possibly strangled, buried without further mortuary treatment.
  • Lining the foot of the south wall of this room, four additional associated tombs were found. These tombs were smaller and less deep and contained at least six people distributed among them. In Tomb 1, an elite person given the name “The Main Priest", due to the ornaments found in his mummy bundle, was discovered. He was accompanied by an adolescent individual who was killed by strangulation. Tombs 2 and 4, located to both sides of Tomb 1, each contained male individuals without further materials or offerings. Tomb 5, the smallest of all, contained the unarticulated bones of various individuals.

The Mummy Bundle of the Lady of Cao
The mummy bundle of the Lady of Cao measured 181 cm (71 in) in length, 75 cm (30 in) in width, and 42 cm (17 in) in depth, and weighed alrnost 120 kg (264 lbs).

  • The unwrapping process revealed 22 layers grouped into three stages, meaning that the Lady of Cao's mummy bundle was in reality composed of three successive mummy bundiles.
  • The exterior murnmy bundle contained diverse emblems of power, including two maces and four crowns with their respective V-shaped diadems made of decorated golden metal.
  • The intermediate mummy bundle displayed an abundant presence of bands and shrouds, small offerings, and large quantities of cotton fiber.
  • In the interior mummy bundle, where the body of the Lady lay, four decorated dresses, artifacts, and raw materials for textile production, as well as its beautiful collection of jewelry, consisting of nose ornaments, necklaces, and earrings, were discovered.
  • Investigations have revealed that, at the time of her death, around the 5th century of the common era, this Moche woman was 1.48 meters (4.8 ft) tall and approximatety 25 years old. She ate corn and marine products and suffered from an abscess of her wisdom tooth.
  • Her mortal remains, as well as a part of the fabulous metal pieces, textiles, and ceramics that made up her lavish funerary goods, are currently exhibited in Room 6 of the Cao Museum.

Tomb of the Lady of Cao


Huaca Cortada

Huaca Cortada
The Huaca Cortada measures approximately 100 x 100 metres (328 x 328 ft) and reaches a height of 17 metres (56 ft). Like the Huaca Cao Viejo, it is built entirely from parallelepiped adobe bricks from the Moche period (100-800 CE).

  • The two gigantic cuts or gashes that can be seen on the southern façade and that reach close to the core of the building are, unfortunately, the most notable features of this huaca and the reason for its current name.

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