This mountain was in the 1999 movie Killer Mountain. It's higher than Jongsong Peak.
Gangkhar Puensum (Dzongkha:  "Kangkar Punsum ", alternatively, Gangkar Punsum or Gankar Punzum) is the highest mountain in Bhutan and a strong candidate for the highest unclimbed mountain in the world with an elevation of 7570 m and a prominence of 2995 m . 
 At 7462 m it is the 57th highest peak in the world, although it is dominated by 3rd highest, Kangchenjunga, 20 km to the south. 
 This sci-fi film tells the story of mountain climbers sent to rescue a missing expedition from a forbidden mountain (Gangkhar Puensum) only to discover the legendary Shangri-La and the hungry creature protecting it, the Druk. 
