Marcahuamachuco technical expertise for a conservation at Marcahuamachuco. Marcahuamachuco Marcahuamachuco is an archeological site of Pre-Incan ruins in the La Libertad Region of Peru. Although less well-known than other sites, it is considered significant and has been referred to by archaeologists as "Machu Picchu of the North" and "The Jewel of La Libertad." Construction of Marcahuamachuco began around AD 400, during the Andean Middle Horizon period and continued until approximately 800 AD. This was well before the Huari and the later imperial expansion of the Incas. Before being conquered by the Incas in the 14th century, Marcahuamachuco was known as northern
Machu Picchu the sun rise. Architecturally, Inti Mach'ay is the most significant structure at Machu Picchu. Its entrances, walls, steps and windows are some of the finest masonry in the Incan Empire. The cave also includes a tunnel-like window unique among Incan structures, which was constructed to only allow sunlight into the cave during several days around the December solstice. For this reason, the cave was inaccessible for much of the year. Inti Mach'ay is located on the eastern side of Machu Picchu, just north of the "Condor Stone." Many of the caves surrounding this area were prehistorically used as tombs, yet