How High Can You Climb Without Oxygen?

How High Can You Climb Without Oxygen? So how high can we climb before we need oxygen? 26,000 feet (8,000 meters) is the official ‘Death Zone’ where severe altitude sickness occurs without the use of supplemental oxygen. The body begins shutting down, eventually leading to death. Do you need oxygen at 14000 feet? Altitude (Feet)

How High Above Sea Level Is Machu Picchu?

How High Above Sea Level Is Machu Picchu? You may be wondering how the altitude at Machu Picchu will affect your visit. The site itself is not considered a high-altitude destination. The saddle of the mountain, where most of the ruins are located, is roughly 7,900 feet above sea level—about 3,300 feet lower than Cusco