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 zone exists above the area. UNESCO is considering putting Machu Picchu on its List of World Heritage in Danger. During the 1980s a large rock from Machu Picchu's central plaza was moved to a different location to create a helicopter landing zone. In the 1990s, the government prohibited helicopter landings. In 2006, a Cusco-based company, Helicusco, sought approval for tourist flights over Machu Picchu. The resulting license was soon rescinded. Authorities have struggled to maintain tourist safety. Tourist deaths have been linked to altitude sickness, floods and hiking accidents. UNESCO received criticism for allowing tourists at the location given high