Ama Dablam | 2009 SW Ridge
A Japan expedition to Ama Dablam in 2009 via SW Ridge, led by Ryuseki Hiraoka. Summit reached on 5th November 2009. 10 members recorded.
Expedition Details
| Field | Value |
|---|---|
| ID | 6544 |
| Imported | 2026-03-06 18:04:49.359634 |
| Expedition ID | AMAD09310 |
| Peak ID | AMAD |
| Year | 2009 |
| Season | 3 |
| Host Country | 1 |
| Route 1 | SW Ridge |
| Route 2 | - |
| Route 3 | - |
| Route 4 | - |
| Nationality | Japan |
| Leaders | Ryuseki Hiraoka |
| Sponsor | Adventure Guides Ama Dablam Expedition 2009 |
| 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 | 2009-10-30 |
| Summit Date | 2009-11-05 |
| Summit Time | 0900 |
| Summit Days | 6 |
| Total Days | 9 |
| Termination Date | 2009-11-08 |
| Termination Reason | 1 |
| Termination Notes | - |
| High Point (m) | 6814 |
| Traverse | False |
| Ski | False |
| Paraglide | False |
| Camps | 3 |
| Fixed Rope (m) | 0 |
| Total Members | 6 |
| Summit Members | 4 |
| Member Deaths | 0 |
| Total Hired | 4 |
| Summit Hired | 4 |
| Hired Deaths | 0 |
| No Hired | False |
| O2 Used | False |
| O2 None | True |
| O2 Climb | False |
| O2 Descent | False |
| O2 Sleep | False |
| O2 Medical | False |
| O2 Taken | True |
| O2 Unknown | False |
| Other Summits | Climbed Nirekha Peak (NREK-093-01) |
| Campsites | BC(30/10,4500m),C1(02/11,5700m),C2(03/11,5900m),C3(04/11,6300m),Smt(05/11) |
| Route Notes | Before climbing Ama Dablam, the expedition went to Nirekha Peak (6159m), which is east-northeast of the better-known Gokyo Peak in Khumbu. The leader, Isoda, Kudo, Phu Tashi Sherpa and Min Bahadur Tamang, reached the summit via the West Ridge on 25 October. The Ama Dablam summit party consisted of Ryuseki Hiraoka, Isoda, Kudo and Miura, plus Kitap Sing Tamang, Min Bahadur Tamang, Phu Tashi Sherpa and Phura Chhiri Sherpa. They left C3 on at 4:00 am on 5 November, and all of them reached the summit, Kudo and Miura first at 9:00 am and the last were there at 9:45 am. They were down to C2 at about 5:00 pm. On the 6th, all arrived in BC. The 7th was a day of rest, and the 8th they left for Lukla. Non-summiting members: Mrs Tomoko Hiraoka as BC manager remained most of the time in BC, but on 2 November she went to C1 with the rest of the team. Ms Takano climbed to 5800m on 3 November, turned back because she was tired and had a pain in her shoulder. Sherpas: Kitap Sing Tamang, 30/8/76 (14/5/2033), Deusa-6, Solu Min Bahadur Tamang, 18/8/79 (2/5/2036), Lisankhu-5, Sindhupalchowk Phu Tashi Sherpa, 23/10/77 (7/7/2034), Phortse, Khumbu, Everest X1, Cho Oyu X1 Phura Chhiri Sherpa, 1968-69 (2025), Lokhim-9, Solu |
| Accidents | - |
| Achievement | - |
| Agency | Cosmo Treks |
| Commercial Route | True |
| Standard Route | False |
| Primary Route | False |
| Primary Member | False |
| Primary Reference | False |
| Primary ID | - |
| Checksum | 2459805 |
| Year | 2009 |
| Summit Success | True |
| O2 Summary | None |
| Route (lowercase) | sw ridge |
Members
10 recorded members.
| Name | Sex | Year of Birth | Citizenship | Status | Residence | Occupation | |
|---|---|---|---|---|---|---|---|
| Ryuseki Hiraoka | M | 1968 | Japan | Leader | Hokuto, Yamanashi, Japan | Alpine guide | Details Other expeditions |
| Tomoko Hiraoka | F | 1966 | Japan | BC Manager | Hokuto, Yamanashi, Japan | Assistant in her husband's business organizing expeditions | Details Other expeditions |
| Hiroshi Isoda | M | 1946 | Japan | Climber | Toyobashi, Aichi, Japan | Retired | Details Other expeditions |
| Noboru Kudo | M | 1955 | Japan | Climber | Kurokawa, Miyagi, Japan | Staff member of legal firm | Details Other expeditions |
| Hatsumi Miura | F | 1951 | Japan | Climber | Yaizu, Shizuoka, Japan | Hotel staff member | Details Other expeditions |
| Yoshiko Takano | F | 1943 | Japan | Climber | Ichikawa, Chiba, Japan | Retired piano teacher | Details Other expeditions |
| Kitap Sing Tamang | M | 1976 | Nepal | H-A Worker | Deusa-6, Solukhumbu | - | Details Other expeditions |
| Min Bahadur (Bijay) Tamang | M | 1979 | Nepal | H-A Worker | Lisankhu-5, Sindhupalchowk | - | Details Other expeditions |
| Phu Tashi Sherpa | M | 1977 | Nepal | H-A Worker | Phortse, Khumbu | - | Details Other expeditions |
| Phura Chhiri (Phurba Chhiri) Sherpa | M | 1969 | Nepal | H-A Worker | Sakpharma, Lokhim-9, Solukhumbu | - | Details Other expeditions |
References
0 recorded references.