Ollantaytambo is an archeological site and town in an area known as the Sacred Valley The town dates back to the 15th century and has some of the oldest occupied dwellings in South America. The ancient ruins above the town are known as Temple Hill and also commonly known as the Fortress. In the mid 15th century Emperor Pachacuti built the town and undertook the extensive works of terracing and irrigation in the Urubamba Valley. Later the area became the stronghold for Manco Inca who led a native resistance group against the Spanish conquistadors during the Spanish conquest of Peru.
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