Kuelap is the remains of a fortified town built over the course of 600 years at an altitude of 3,000m. A lot of the original brickwork remains and it is fascinating to wander gently through these remains, especially after the massed hordes who visit Machu Picchu.
From Chiclayo, travel to Chacapoyas region and then you'll need to catch a tour going to the ruins. Well worth it.
www.kuelap.org/
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