Mount Paektu, Baekdu, or Changbai is an active volcano on the border between North Korea and China. At 2,744 m (9,003 ft), it is the highest mountain of the Changbai and Baekdudaegan ranges.
It is also the highest mountain on the Korean Peninsula and in Northeast China. A large crater lake, called Heaven Lake is in the caldera atop the mountain. (Source: Wikipedia)
Sig Nordal 