Pachat'aqa, Archaeological site near Lake Titicaca in Copacabana Municipality, Bolivia.
Pachat'aqa is an archaeological site with two parallel stone blocks located about 600 meters south of Copacabana. Multiple structural remains and steps indicate a carefully organized construction for specific observational purposes.
This site was built during the Chiripa culture period around 1764 BC. It was constructed to track celestial movements and help predict important calendar events for ancient communities.
The name Pachat'aqa comes from the Aymara language and means 'place where time is measured'. This reflects how ancient Andean peoples used this location to track the movement of celestial bodies.
The site is within walking distance of Copacabana town and can be reached by local transportation. In Copacabana you will find lodging, food options, and various services to help plan your visit.
Research by the Cosmic Physics Institute of Bolivia has verified the site's role in tracking lunar cycles with remarkable precision. This scientific confirmation reveals how accurately the builders aligned their structures with the night sky.
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