Spring 1964 season
16 expeditions, of which 8 put someone on the summit. 26 summits (16 by members, 10 by hired staff) and 4 deaths, among 68 members and 18 hired staff recorded.
Summits count member records: someone who summited twice on one expedition counts once, someone on two expeditions in the season counts twice. Claimed (unrecognised) ascents are excluded and disputed ones included, as in the database's own statistics. Hired staff are only recorded when they went above base camp.
First ascents
- Gyachung Kang (7861m), Apr 10 — Japan, Nepal: Yukihiko Kato, Kiyoto Sakaizawa, Pasang Phutar Sherpa (I) (GYAC64101)
- Talung (7349m), May 19 — W Germany, Nepal: Franz Lindner, Tenzing Nanda Sherpa (TLNG64101)
- Jasemba Goth (6730m), Apr 08 — W Germany: Georg Huber, Fritz Stammberger (JASG64101)
- Nupche Kang (6576m), Apr 06 — W Germany, Nepal: Fritz Stammberger, Aila Sherpa (NUPK64101)
- Bhemdang Ri (6150m), May 10 — Japan, Nepal: Tetsuya Kondo, Soshiro Sasaki, Mingma Tshering Sherpa (BHEM64101)
- Urkinmang (6143m), May 20 — Japan, Nepal: Akira Ban, Kazuhisa Jokei, Tesuya Kiyohara, Mingma Tshering Sherpa (URKM64101)
Busiest summit days
Peaks
| Peak | Height | Expeditions | Successful | Summits | Deaths |
|---|---|---|---|---|---|
| Gyachung Kang | 7861 | 1 | 1 | 5 | 1 |
| Imjatse | 6165 | 1 | 1 | 4 | 0 |
| Pethangtse | 6739 | 1 | 1 | 4 | 0 |
| Urkinmang | 6143 | 1 | 1 | 4 | 0 |
| Bhemdang Ri | 6150 | 1 | 1 | 3 | 0 |
| Jasemba Goth | 6730 | 1 | 1 | 2 | 0 |
| Nupche Kang | 6576 | 1 | 1 | 2 | 0 |
| Talung | 7349 | 1 | 1 | 2 | 0 |
| Baruntse | 7152 | 1 | 0 | 0 | 0 |
| Cho Oyu | 8188 | 1 | 0 | 0 | 2 |
| Dorje Lhakpa | 6966 | 1 | 0 | 0 | 0 |
| Everest | 8849 | 1 | 0 | 0 | 1 |
| Ganchenpo | 6378 | 1 | 0 | 0 | 0 |
| Hongku Chuli | 6833 | 1 | 0 | 0 | 0 |
| Kabru Dome | 6600 | 1 | 0 | 0 | 0 |
| Langtang Lirung | 7227 | 1 | 0 | 0 | 0 |