Annapurna South | 1987 SW Ridge-S Face
A Japan expedition to Annapurna South in 1987 via SW Ridge-S Face, led by Masami Yamagata. Summit reached on 21st December 1987. 8 members recorded.
Expedition Details
| Field | Value |
|---|---|
| ID | 320 |
| Imported | 2026-03-06 18:04:49.359634 |
| Expedition ID | ANNS87401 |
| Peak ID | ANNS |
| Year | 1987 |
| Season | 4 |
| Host Country | 1 |
| Route 1 | SW Ridge-S Face |
| Route 2 | - |
| Route 3 | - |
| Route 4 | - |
| Nationality | Japan |
| Leaders | Masami Yamagata |
| Sponsor | Hakuhoukai Annapurna Dakshin Expedition 1987-88 |
| Success 1 | False |
| Success 2 | False |
| Success 3 | False |
| Success 4 | False |
| Ascent 1 | - |
| Ascent 2 | - |
| Ascent 3 | - |
| Ascent 4 | - |
| Claimed | False |
| Disputed | False |
| Countries | - |
| Approach | Khymnu Khola |
| Basecamp Date | 1987-11-30 |
| Summit Date | 1987-12-21 |
| Summit Time | - |
| Summit Days | 21 |
| Total Days | 0 |
| Termination Date | - |
| Termination Reason | 8 |
| Termination Notes | Abandoned at 5800m due to lack of rope above high point |
| High Point (m) | 5800 |
| Traverse | False |
| Ski | False |
| Paraglide | False |
| Camps | 3 |
| Fixed Rope (m) | 3000 |
| Total Members | 8 |
| Summit Members | 0 |
| Member Deaths | 0 |
| Total Hired | 3 |
| Summit Hired | 0 |
| 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 | False |
| O2 Unknown | False |
| Other Summits | - |
| Campsites | BC(30/11,3700m),C1(06/12,4800m),C2(12/12,5300m),C3(19/12,5600m),xxx(21/12,5800m) |
| Route Notes | BC at Khyumu Glacier at head of Khyumu Khola, south of mountain C1 on SW Ridge C2 on SW Ridge C3 on SW Ridge. Tried S Face only one day and big ice avalanche came down when hanging glacier's top broke off leaving rest of it to threaten falling (no one hurt) so changed route to SW Ridge. High point at 5800m because fixed rope finished (had used up 3000m of rope) and needed 3000m more because of many rock pinnacles necessary to go up to top of and then down again. Ridge almost old rock with some snow. Had planned to follow Japanese 1978 Autumn route via ridge to S Face but did not get on to face (did not get to that point to that ridge). |
| Accidents | None |
| Achievement | - |
| Agency | Express |
| Commercial Route | - |
| Standard Route | - |
| Primary Route | False |
| Primary Member | False |
| Primary Reference | - |
| Primary ID | - |
| Checksum | 2452243 |
| Year | 1987 |
| Summit Success | False |
| O2 Summary | None |
| Route (lowercase) | sw ridge-s face |
Members
8 recorded members.
| Name | Sex | Year of Birth | Citizenship | Status | Residence | Occupation | |
|---|---|---|---|---|---|---|---|
| Takuo Kikuchi | M | 1957 | Japan | Climber | Utsunomiya, Tochigi, Japan | Physician, veterinary | Details Other expeditions |
| Toshio Kinai | M | 1947 | Japan | Climber | Utsunomiya, Tochigi, Japan | Civil engineer | Details Other expeditions |
| Kenje Mizuguchi | M | 1961 | Japan | Climber | Utsunomiya, Tochigi, Japan | Office worker | Details Other expeditions |
| Mamoru Takahashi | M | 1949 | Japan | Member | Utsunomiya, Tochigi, Japan | Manager, electrical equip shop | Details Other expeditions |
| Hideo Tateno | M | 1949 | Japan | Climber | Utsunomiya, Tochigi, Japan | Operator of printing press | Details Other expeditions |
| Takasi Usui | M | 1959 | Japan | Climber | Utsunomiya, Tochigi, Japan | Officer, district government | Details Other expeditions |
| Masami Yamagata | M | 1954 | Japan | Leader | Izumigaoka, Uthunomiya, Tochigi, Japan | Engineer | Details Other expeditions |
| Satoko Yasuda | F | 1950 | Japan | Climber | Utsunomiya, Tochigi, Japan | Officer, district government | Details Other expeditions |
References
4 recorded references.
| Expedition ID | Journal | Author | Title | Publisher | Citation | Yak 94 |
|---|---|---|---|---|---|---|
| ANNS87401 | AAJ | Cheney, Michael J. & Hawley, Elizabeth | - | - | 62:221 (1988) | - |
| ANNS87401 | IWA | - | - | - | :280 (1988) | - |
| ANNS87401 | IWA | - | - | - | :73 (1988) | - |
| ANNS87401 | - | - | http://publications.americanalpineclub.org/articles/12198822103/Asia-Nepal-Annapurna-Dakshin-Winter-Attempt | - | - | - |