Tag Archives: Chankillo
The Ancient Solar Calendar at Chankillo
Chankillo, built 2,300 years ago, in northern Peru is an extraordinary observatory also used as a solar calendar. Built on a ridge in the Casma Valley at Chankillo, a structure of 13 towers, the observatory allowed remarkably accurate astronomical observations by people with an exceptionally sophisticated understanding of astronomy and the rising and setting arcs of the sun.
