원정 개요

ABC at highest ABC
C1 at North Col.

From C3 at 11:00 pm (NST) were Tuboi, Dawa Chhiri and Danuru Sherpas; Tuboi and Dawa Chhiri on top at 6:00 am and Danuru (carrying extra oxygen bottles) at 6:10 am; down to ABC same day at 6:00 pm. Tuboi was "very tired."

Miss Miwako Hashikawa went to C2 on 13 May in summit party, but she developed pulmonary edema, could no longer climb up the mountain nor descend alone. Yasumura put her on oxygen and took her down to ABC on 14 May.

Sadao Hoshiko reached 6000m but his blood pressure became very high; he left expedition on 24 April.

Oxygen: Hashikawa given it when she got altitude sickness. Summiters Tuboi, Dawa Tshering and Danuru used oxygen in C3 to summit to, but not in C3.

Sherpa summiters:
Dawa Tshering (Dawa Chhiri) Sherpa, 19/11/66, Thami, Cho Oyu X3, Everest X7
Danuru Sherpa, 10/4/73, Namche, Cho Oyu X4