The Bularung Sar is located in a mountain range of Hispar Muztagh between the western Trivor and the eastern Distaghil Sar. On the northern flank of the flows Momhilgletscher. On the southern slope runs Kunyanggletscher. The first ascent took place in July 1990 instead of by a Swiss expedition on the south ridge. were members of the expedition: Alain Vaucher, Heinz Hügli, Lothar Matter, Carole Spleen, Thierry Bionda, Christian Meillard, Gerard Vouga, Vincent von Kaenel, Jean-Jacques Sauvain and Jacques Aymon.