원정 개요

BC north of Annapurna III just above tree line
C2 in middle of icefall
C3 above icefall on snowfield
C4 on plateau (snow)
C5 on same huge plateau.

All route above C1 (icefall begins halfway to C2). C3 to C4 several ice walls of about 10m each. From C5 first assault team could not reach top and spent night of 2nd May 100m below top in snow hole and retreated next day. Second assault team on 3rd May took tents and pitched them just above an ice wall above C5. On 4th of May reached top at 3:00 pm. No further summit attempts because of storm with lightning, wind and heavy snow. Hira Bahadur and Surya Bahadur reached assault camp at midnight, other two spent night in snow holes. All 4 reached C4 with help from other.