On the border of China and North Korea in a caldera at the top of Baekdu Mountain you will find Heaven Lake. Caldera was created when a volcano erupted in 969 CE.The surface elevation of lake is 7182 ft. and it covers the area of 9.82 km2. Visitors to the lake can enjoy stunning walks hiking and horse rides along the mountain paths. Canvas yurts are the most common accommodation for tourists but there are also more upmarket hotels. The semi-nomadic Kazakh people inhabit the area seasonally. Staying in traditional Kazakh yurts and using their guided horseback tours help them earn the income that they live on for the rest of the year. It can get quite cold in the area so warm clothes are suggested.