Annapurna I | 1985 N Face (Dutch Rib)
A Japan expedition to Annapurna I in 1985 via N Face (Dutch Rib), led by Jun Yasumura. Summit reached on 3rd October 1985. 5 members recorded.
Expedition Details
| Field | Value |
|---|---|
| ID | 201 |
| Imported | 2026-03-06 18:04:49.359634 |
| Expedition ID | ANN185301 |
| Peak ID | ANN1 |
| Year | 1985 |
| Season | 3 |
| Host Country | 1 |
| Route 1 | N Face (Dutch Rib) |
| Route 2 | - |
| Route 3 | - |
| Route 4 | - |
| Nationality | Japan |
| Leaders | Jun Yasumura |
| Sponsor | Ganyuhkai 1985 Annapurna I Expedition |
| 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 | Kali Gandaki->Lete->Thulobugin Pass |
| Basecamp Date | 1985-09-01 |
| Summit Date | 1985-10-03 |
| Summit Time | - |
| Summit Days | 32 |
| Total Days | 51 |
| Termination Date | 1985-10-22 |
| Termination Reason | 5 |
| Termination Notes | Abandoned at 6000m due to bad snow conditions |
| High Point (m) | 6000 |
| Traverse | False |
| Ski | False |
| Paraglide | False |
| Camps | 3 |
| Fixed Rope (m) | 0 |
| Total Members | 5 |
| Summit Members | 0 |
| Member Deaths | 0 |
| Total Hired | 6 |
| 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(01/09,4300m),C1(05/09,4900m),C2A(09/09,5600m),C2B(20/09,5700m),xxx(03/10,6000m) |
| Route Notes | BC at usual site C2B at below Dutch rib High point at top of rib. Bad weather began 10 Sept when all down in BC. Heavy snowfall began then. Started up again 19 Sept and made new C2 29 Sept to avoid avalanches danger. Then concentrated on making route up Dutch Rib and 3 Oct reached its top. Then again heavy snowfall brought avalanching which carried away equipment beside rib above C2B. 5-13 Oct very bad snowfall but all down in BC where little food: food in C1 but cannot go up to it so all team leave BC for Lete 14 Oct. In Lete to 19 Oct and back to BC on 20 Oct only to bring down equipment. Cleared C1, which in 2m deep snow, on 21 and 22 Oct and salvaged same items (tents broken). |
| Accidents | None |
| Achievement | - |
| Agency | - |
| Commercial Route | - |
| Standard Route | True |
| Primary Route | False |
| Primary Member | False |
| Primary Reference | - |
| Primary ID | - |
| Checksum | 2451342 |
| Year | 1985 |
| Summit Success | False |
| O2 Summary | None |
| Route (lowercase) | n face (dutch rib) |
Members
5 recorded members.
| Name | Sex | Year of Birth | Citizenship | Status | Residence | Occupation | |
|---|---|---|---|---|---|---|---|
| Norihisa Hashimoto | M | 1955 | Japan | Climber | Tokyo, Japan | Chemistry teacher | Details Other expeditions |
| Kiichi Namiki | M | 1956 | Japan | Climber | Kawagoe, Saitama, Japan | Teacher, nursing | Details Other expeditions |
| Fumio Sakaue | M | 1956 | Japan | Climber | Tokyo, Japan | Tests strengths of metals | Details Other expeditions |
| Yuichi Tokuma | M | 1949 | Japan | Deputy Leader | Naganohara Agatoma, Gunma, Japan | Clerk | Details Other expeditions |
| Jun Yasumura | M | 1946 | Japan | Leader | Kawasaki, Kanagawa, Japan | Staff member, Mitsui Mining and Smelting Co. | Details Other expeditions |
References
3 recorded references.
| Expedition ID | Journal | Author | Title | Publisher | Citation | Yak 94 |
|---|---|---|---|---|---|---|
| ANN185301 | AAJ | Cheney, Michael J. & Hawley, Elizabeth | - | - | 60:243 (1986) | - |
| ANN185301 | IWA | - | - | - | :60 (1986) | - |
| ANN185301 | - | - | http://publications.americanalpineclub.org/articles/12198624301/Asia-Nepal-Annapurna-Attempt | - | - | - |