원정 개요

BC 13 Apr 5350m
C1 26 Apr 6000m
C2 27 Apr 6400m
C3 16 May 7300m
C4 17 May 7900m
HPt 18 May by Watanabe, Sona Sherpa at 6:30 am.

Summit team left C4 at 8 pm on 17 May. At first it was calm, but the winds picked up at the Hillary Step. Straightforward climb. They summited at 6:30 am and stayed about 30 minutes on the summit, then descended to C3, where they arrived at 6 pm. On 19 May they descended to C2. As Sona Sherpa helped with the rescue of the Taiwanese climber, who later died on Lhotse, they stayed at C2 for 2 nights. On 21 May to BC.

Oxygen:
Taken and used from C3 to top to C3 by Watanabe
Taken and used from C4 to top to C4 by Sona

Sherpa:
Sona, 26/11/77, Chheskam-2, Solu, Everest X2, Makalu X1