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Judi Lynn

(163,882 posts)
1. 'No parallels': 2,300-year-old solar observatory awarded Unesco world heritage status (great Guardian article)
Wed Sep 3, 2025, 07:24 AM
Wednesday

This article is more than 4 years old

Dan Collyns in Lima
Tue 27 Jul 2021 21.35 EDT



Chankillo in Peru features 13 stone towers built in 250 to 200 Chankillo in Peru, which has been given Unesco world heritage status. Photograph: Ivan Ghezzi/Courtesy of World Monuments Fund



The oldest solar observatory in the Americas has been awarded Unesco world heritage status and dubbed “a masterpiece of human creative genius”.
The 2,300-year-old archaeological ruin Chankillo which lies in a desert valley in northern Peru was one of 13 new global sites added to the list of cultural monuments.

Thirteen towers that align on a ridge are the best-known feature of the ancient site which dates between 250 and 200 BCE. The towers functioned as a calendar using the rising and setting arcs of the sun to mark not only equinoxes and solstices but even to define the precise time of year to within one or two days. The site also includes an imposing triple-walled hilltop complex, known as the Fortified Temple set in the barren landscape of the Casma river valley.

Iván Ghezzi, the Chankillo programme director, told the Guardian that while he was “truly overwhelmed” by the recognition he was not surprised that the UN agency found Chankillo worthy of inclusion in the list.

“It is the only observatory from the ancient world that we know of that is a complete esolar calendar,” said Ghezzi, an archeologist who has studied and work ed on the site for two decades.C that functioned as a calendar by marking the rising and setting arcs of the sun

More:
https://www.theguardian.com/world/2021/jul/28/chankillo-oldest-solar-observatory-in-the-americas-awarded-unesco-world-heritage-status

More Google images of this site:

https://tinyurl.com/58xcwz6r

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