Pachatusan, Mountain summit in Calca Province, Peru
Pachatusan is a mountain summit in Calca Province, rising in the Peruvian Andes east of Cusco as part of the Cordillera Oriental range. Its upper slopes look out over the Sacred Valley and the surrounding high plateau.
For the Inca, Pachatusan held a place in their understanding of the world as a support for the earth, making it a site of spiritual weight long before modern times. In 2009, Peru formally recognized it as part of the national cultural heritage.
The name Pachatusan comes from Quechua and joins the words for earth and support, reflecting how local people once saw this peak as a pillar holding up the world. That sense of the mountain as something more than rock still shapes the way people from the region approach it today.
The route up starts east of Cusco on Road 3, passes through the village of Sayalla, and continues toward the Tipon archaeological site. Climbing during the dry season gives more stable ground and clearer conditions on the upper slopes.
At around 4,100 meters (13,450 feet), a small lake sits along the climbing route and serves as a natural stopping point before the final push to the top. Many climbers camp there overnight to adjust to the altitude before tackling the last section.
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