An unclimbedmountain is a mountain peak that has not been climbed to the top. Determining which unclimbed peak is highest is often a matter of controversy
south. As of December 2018[update], the highest peaks on four of the mountains—Gangkhar Puensum, LabucheKangIII, Karjiang, and Tongshanjiabu, all located
they did not receive the necessary permit, and made an attempt to climb LabucheKang 420 kilometres (260 mi) to the west, during which Puryear died. Karjiang