원정 개요

C1 at top of icefall
C2 in Western Cwm
C3 on Lhotse West Face
C4 on Lhotse West Face.

Summit team left C4 at 6:00 am - 5 members and 3 Sherpas: Tanigawa on top at 10:20 am and stayed 1-1/2 hours on top; Hirose on top at 11:30 am and stayed 30 minutes; Nagakubo and Yoshida on top at 13:15 hours and 15 minutes; Nakamura on top at 13:30 hours and stayed 15 minutes; Phurba Tshiring on top at 13:40 hours; Lhakpa Dorje on top at 13:30 hours and Da Gyalzen on top at 12:30 hours. All 3 Sherpas stayed on top 15 minutes; all summiters returned to C4 that day. Summiters returned to BC 12 May.

All used oxygen except Lhakpa Dorje.

Sherpa summiters:
Phurba/Tsheirng, Saframa, Lokhim, Solu, 1968, Lhotse X1, Everest X1,
Cho Oyu X1, Manaslu
Lhakpa Dorje, Kurima, Sotang, Solu, 27/3/66, Everest X2
Dawa Gyalzen/Da Gyalzen, Lokhim-9, Solu, 35 years old, 1st 8000er
(ascent of Dhaulagiri I on 2/04/01 by Japanese (Ishii) claimed incorrectly)

Lhakpa Dorje said: he used no oxygen but other Sherpas used it climbing from C4 to top to (but not in) C4; members used oxygen sleeping in C4, climbing top, down to C4 and in C4.