Cho Oyu | 2006 NW side
A Japan expedition to Cho Oyu in 2006 via NW side, led by Takehiko Ikeda. Summit reached on 3rd October 2006. 11 members recorded.
Expedition Details
| Field | Value |
|---|---|
| ID | 5385 |
| Imported | 2026-03-06 18:04:49.359634 |
| Expedition ID | CHOY06319 |
| Peak ID | CHOY |
| Year | 2006 |
| Season | 3 |
| Host Country | 2 |
| Route 1 | NW side |
| Route 2 | - |
| Route 3 | - |
| Route 4 | - |
| Nationality | Japan |
| Leaders | Takehiko Ikeda |
| Sponsor | JWAF Nagano Mt. Cho Oyu Expedition 2006 |
| Success 1 | True |
| Success 2 | False |
| Success 3 | False |
| Success 4 | False |
| Ascent 1 | - |
| Ascent 2 | - |
| Ascent 3 | - |
| Ascent 4 | - |
| Claimed | False |
| Disputed | False |
| Countries | - |
| Approach | - |
| Basecamp Date | 2006-09-05 |
| Summit Date | 2006-10-03 |
| Summit Time | 0650 |
| Summit Days | 28 |
| Total Days | 36 |
| Termination Date | 2006-10-11 |
| Termination Reason | 1 |
| Termination Notes | - |
| High Point (m) | 8188 |
| Traverse | False |
| Ski | False |
| Paraglide | False |
| Camps | 3 |
| Fixed Rope (m) | 0 |
| Total Members | 7 |
| Summit Members | 6 |
| Member Deaths | 0 |
| Total Hired | 5 |
| Summit Hired | 4 |
| Hired Deaths | 0 |
| No Hired | False |
| O2 Used | True |
| O2 None | False |
| O2 Climb | True |
| O2 Descent | False |
| O2 Sleep | True |
| O2 Medical | False |
| O2 Taken | False |
| O2 Unknown | False |
| Other Summits | - |
| Campsites | BC(05/09),ABC(09/09,5700m),C1(14/09,6400m),C2(01/10,7000m),C3(02/10,7600m),Smt(03,06/10) |
| Route Notes | First summit party left C3 at 2:30 am NST 3 Oct, on top at 6:50 am (Hirano) and other members 8:16 am; Hirano to ABC at 16:20 hours, Hiroki and Ueno to C2 at 14:00 hours; no wind, clear sky, saw Everest. 2nd summit party left C3 at 2:30 am, on top at 9:40 am and back to C2 at 14:00 hours; clean sky but strong wind and Ikeda and Takegami got mild frostbite (Ikeda's nose and Takegami's toe); saw Everest and Lhotse. Oxygen used on 3 Oct by members in C2 to top to C2, but Sherpas used none and 6 Oct summiters used none. Sherpa summiters: Nima Nuru, Thamiteng, 18/6/84, Everest X5, Cho Oyu X1 Tika Gurung, Makalu VDC, 32 years old, K-2 2004, Gasherbrum II 2003 Pemba Nuru, Thamiteng, 17/1/77, Everest X3 Dawa Jangbu, Thamiteng, 28/4/86, 1st 8000er Takako Wago did not go above ABC; she was ABC manager. |
| Accidents | Ikeda & Takegani frostbite |
| Achievement | - |
| Agency | Asian Trekking |
| Commercial Route | True |
| Standard Route | True |
| Primary Route | False |
| Primary Member | False |
| Primary Reference | False |
| Primary ID | - |
| Checksum | 2459483 |
| Year | 2006 |
| Summit Success | True |
| O2 Summary | Used |
| Route (lowercase) | nw side |
Members
11 recorded members.
| Name | Sex | Year of Birth | Citizenship | Status | Residence | Occupation | |
|---|---|---|---|---|---|---|---|
| Naoko Hirano | F | 1965 | Japan | Climber | Chiba-shi, Chiba, Japan | Housewife | Details Other expeditions |
| Aiko Hiroki | F | 1945 | Japan | Climber | Chiba-shi, Chiba, Japan | Housewife | Details Other expeditions |
| Takehiko Ikeda | M | 1946 | Japan | Leader | Karuizawa, Nagano, Japan | Iron worker (makes stoves, boilers, etc) | Details Other expeditions |
| Aya Maruyama | F | 1970 | Japan | Climber | Kamiina-gun, Nagano, Japan | Supervisor in furniture wholesale company | Details Other expeditions |
| Shizuo Takegami | M | 1953 | Japan | Climber | Komagane, Nagano, Japan | Electrician | Details Other expeditions |
| Terunari Ueno | M | 1940 | Japan | Climber | Komagane, Nagano, Japan | Farmer | Details Other expeditions |
| Takako Wago | F | 1974 | Japan | ABC Manager | Ueda, Nagano, Japan | Nurse | Details Other expeditions |
| Nima Nuru/Norbu Sherpa | M | 1974 | Nepal | H-A Worker | Thamiteng, Khumbu | - | Details Other expeditions |
| Tika Ram Gurung | M | 1974 | Nepal | H-A Worker | Linggam, Hatiya, Makalu-Barun | - | Details Other expeditions |
| Pemba Nuru Sherpa | M | 1977 | Nepal | H-A Worker | Thamiteng, Khumbu | - | Details Other expeditions |
| Dawa Jangbu (Da Jangbu) Sherpa | M | 1986 | Nepal | H-A Worker | Thamiteng, Khumbu | - | Details Other expeditions |
References
0 recorded references.