Leader: Carlos Buhler
Period: April to June 2004
The American climber Carlos Buhler continued his affair with this group of peaks. He was on Changabang and now he is concentrating on the peak of Kalanka. They were attempting this peak in pre monsoon season by the north face. Unfortunately they encountered serious bad weather and snowfall, which could have avalanched. They reached 6075 m on 30th May. They were a three-member team with the leader Carlos Buhler, John M. Lyall and Sandy Allan and all three climbers reached the high point.