Gangkhar Puensum is the highest, unclimbed mountain in the world. It is located in Bhutan. This mountain has a height of 7570 meters and it is the 40th highest mountain the world. As you know. even the highest peak, Mount Everest already been successfully climbed by many people. But Gangkhar Puensum still remain unclimbed.
There are only four reported expeditions took place in Gangkhar Puensum. In 1983, 1985, 1986 and 1994 respectively. But, all of those expeditions became unsuccessful due to heavy snowfall and unsustainable conditions. in 2004, Bhutan government restricted mountaineering in Gangkhar Puensum because of spiritual beliefs. So, Gangkhar Puensum mountain became unclimbed and unexplored.