Supriya Ghosh (Editor)

Chankillo

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Alternate name
  
Chanquillo

Type
  
Fortified sanctuary

Area
  
4 km²

Location
  
Ancash Region, Peru

Founded
  
300 BC

Part of
  
Casma/Sechin culture

Chankillo

Similar
  
Mojeque, Casma/Sechin culture, Tambo Colorado, Guitarrero Cave, Rumiqullqa

Conservation science visualizaci n virtual de chankillo per spanish


Chankillo is an ancient monumental complex in the Peruvian coastal desert, found in the Casma-Sechin basin in the Ancash Department of Peru. The ruins include the hilltop Chankillo fort, the nearby Thirteen Towers solar observatory, and residential and gathering areas. The Thirteen Towers have been interpreted as an astronomical observatory built in the 4th century BC. The culture that produced Chankillo is called the Casma/Sechin culture or the Sechin Complex.

Contents

The site covers about four square kilometres (1.5 square miles) and has been interpreted as a fortified temple.

Conservation sicence a virtual visualization of chankillo peru


The Thirteen Towers solar observatory

The regularly-spaced thirteen towers of Chankillo were constructed atop the ridge of a low hill running near north to south and are, forming a "toothed" horizon with narrow gaps at regular intervals. To the east and west investigators designated two possible observation points. From these vantages, the 300m long spread of the towers along the horizon corresponds very closely to the rising and setting positions of the Sun over the year, albeit they are not all visible. On the winter solstice, the sun would rise behind the leftmost tower of Chankillo and rise behind each of the towers until it reached the rightmost tower six months later on the summer solstice, marking the passage of time. The Thirteen Towers of Chankillo could be the earliest known observatory in the Americas. Inhabitants of Chankillo would have been able to determine an accurate date, with an error of a day or two, by observing the sunrise or sunset from the correct tower.

The towers had been known to travelers for centuries, the astronomical function of the towers were speculated famously by Thor Heyerdahl in his book Kon-Tiki of the 1940s but only recently hypothesized at length in 2007 by Iván Ghezzi and Clive Ruggles.

References

Chankillo Wikipedia