Can I camp in Changbai Mountain for the night?

You can't. It is forbidden to stay overnight in Changbai Mountain Scenic Area, so it is not allowed to stay overnight in Changbai Mountain. There are some campsites outside the scenic spot, but they are all beside the expressway. Jilin Changbai Mountain National Nature Reserve is located in the southeast of Jilin Province, adjacent to the Democratic People's Republic of Korea. Geographical coordinates are127 42' 55 "east to12816' 48" north to 4141'49 "to 42 25'/kloc-0 north. The longest from north to south is 80km, and the widest from east to west is 42km, with a total area of196465m2. The main protection targets are temperate forest ecosystems, natural and historical sites and rare animals and plants.