Question: Which mountain is higher Gangkhar Puensum or Jongsong Peak ?
Related documents: [0]  [DOC] Gangkhar Puensum (Dzongkha: གངས་དཀར་སྤུན་གསུམ་ "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 . Its name means "White Peak of the Three Spiritual Brothers". [END] 
[1]  [DOC] Jongsong Peak is a mountain in the "Janak" section of the Himalayas. 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. Jongsong's summit is on tri-junction of India, Nepal and China. [END] 
Answer: 
Gangkhar Puensum
Gangkhar Puensum