Megalithic Sites Around Lake Titicaca Include Unknown Solar Calendar. Orca del Inca (Copa Cabana, Bolivia) is an ancient megalithic site with unknown creators Likely functions as a solar calendar for equinoxes and solstices Could be Inca construction or pre-Inca (far older)

At Horca del Inca near Copacabana, Bolivia: a megalithic astronomical observatory built during the 14th century BC by the pre-Inca Chiripa culture. Features flat slabs believed to mark the course of the sun. Weathering and construction style suggest significant antiquity. The site, while controversial among scholars, is widely cited as a pre-Columbian astronomical structure.

Key Facts

  • Orca del Inca (Copa Cabana, Bolivia) is an ancient megalithic site with unknown creators
  • Likely functions as a solar calendar for equinoxes and solstices
  • Could be Inca construction or pre-Inca (far older)
  • Thousands of cutout shapes in bedrock around Lake Titicaca and Cusco area
  • Shapes are pie-shaped and don't match quarrying patterns
  • Weathering indicates likely several thousand years old
  • Amaru Muru features central portal with vertical grooves in sandstone
  • Kenowani site faces Tiwanaku, made of compressed volcanic ash, function completely unknown
  • Temple of Fertility near Puno has megalithic blocks fitted without mortar, likely used by Inca and other cultures