Gangkhar Puensum is the highest mountain of Bhutan, the 7540 m high Gangkhar Puensum. There are no villages here, but during spring and summer, the yak herders and yarsa gumba (cordyceps) collectors are coming. Beautiful and very less visited Gangkhar Puensum and recently explore Gangkhar Puensum Ciricuit treks will take you to the glaciers of the mountain from which the Chamkhar Chhu and Mangde Chhu, two Bhutans' major rivers flow. 

You can read about the Firefox Tours led exploration of the area at our company blog,