Sosbun Brakk is one of the mountain peaks of the Spantik-Sosbun Mountains, part of a subrange of the Karakoram range in Gilgit-Baltistan, Pakistan.

[1] The peak is located at 6,413 m (21,040 ft) above sea level.

[2] In 1976, a German expedition team tried to reach the summit but failed.

Finally, on 4 July 1982, a Japanese team led by Seiichi Kawauchi of the Japanese Alpine Club successfully climbed the mountain.

[3] Hisao Hashimoto, Mikio Tabata, and Norichika Matsumoto were the other people on the Japanese team.