The "temple", strictly speaking, consists of a major platform supporting a building which is raised 5 meters above the ground, with an 8-meter-high (26 ft) entrance.
Huaca de la Luna (Temple of the Moon), contains 6 levels, built on top of each other during a 200-year span.
[3] The similar site of Naupa Iglesia near Ollantaytambo is also called Temple of the Moon occasionally.
[6] Some believe that this was a place for sacrifices, because the structure has beautiful vaulted niches and empty trapezoids of typical Inca type and in front of the cavern, there is a rock sculpted in the shape of an altar.
[8] The trail that leads from the summit of Huayna Picchu to the Temple and the Great Cave is very exposed and can be quite slippery.
A few spots have a steel handrail cable (via ferrata), but a fall in many places would have severe results.