Langshisa Ri | 1981 SW Ridge
A Japan expedition to Langshisa Ri in 1981 via SW Ridge, led by Isao Yamazaki. Summit reached on 9th October 1981. 6 members recorded.
Expedition Details
| Field | Value |
|---|---|
| ID | 1822 |
| Imported | 2026-03-06 18:04:49.359634 |
| Expedition ID | LSIS81301 |
| Peak ID | LSIS |
| Year | 1981 |
| Season | 3 |
| Host Country | 1 |
| Route 1 | SW Ridge |
| Route 2 | - |
| Route 3 | - |
| Route 4 | - |
| Nationality | Japan |
| Leaders | Isao Yamazaki |
| Sponsor | Nepal-Japan Joint Expedition to Mt. Langshisa Ri |
| 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 | Nepal |
| Approach | Trisuli Bazar->Langtang Valley |
| Basecamp Date | 1981-10-02 |
| Summit Date | 1981-10-09 |
| Summit Time | - |
| Summit Days | 7 |
| Total Days | 11 |
| Termination Date | 1981-10-13 |
| Termination Reason | 10 |
| Termination Notes | Abandoned at 5880 due to route too difficult |
| High Point (m) | 5880 |
| Traverse | False |
| Ski | False |
| Paraglide | False |
| Camps | 1 |
| Fixed Rope (m) | 0 |
| Total Members | 6 |
| Summit Members | 0 |
| Member Deaths | 0 |
| Total Hired | 0 |
| Summit Hired | 0 |
| Hired Deaths | 0 |
| No Hired | True |
| 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 | - |
| Campsites | BC(02/10,4400m),C1(05/10,5350m),xxx(09/10,5880m) |
| Route Notes | Yamazaki - 20 Oct 81 Arrived BC 4400m 2 October C1 5350m 5 October at South Col C2 not made; knife ridge. Reached 5880m going towards point 6145m on a ridge by Abesawa and Kami Tshering of Phakding, member, on 9th Oct. Very difficult to fix rope. Next expedition should approach from North. Left BC 13th Oct. All OK, no accidents. All arrived KTM 19 Oct. Yamazaki - 10 Sept 81 Leave KTM 24 Sept. Approach via Trisuli Bazar, Trisuli River, Langtang Khola. Arrive BC 30 Oct at 4500m. Route = S Ridge but know very little about this virgin mountain; no recce. Summit 15 to 18th Oct. 2 camps above BC: C1 - 5000m C2 - 5600m 3 Nepali members: Sherpas; no high altitude porters; oxygen medical only. Nepali members: Ang Kami, 27, Namche (was on Spanish Jannu) Kami Tshering, Phakding Lhakpa, Khumjung 2 Japanese members here now; 1 other arrive KTM 20th Sept. |
| Accidents | - |
| Achievement | - |
| Agency | - |
| Commercial Route | - |
| Standard Route | - |
| Primary Route | False |
| Primary Member | False |
| Primary Reference | - |
| Primary ID | - |
| Checksum | 2447723 |
| Year | 1981 |
| Summit Success | False |
| O2 Summary | None |
| Route (lowercase) | sw ridge |
Members
6 recorded members.
| Name | Sex | Year of Birth | Citizenship | Status | Residence | Occupation | |
|---|---|---|---|---|---|---|---|
| Yutaka Abesawa | M | 1948 | Japan | Climber | Tomobe, Ibaraki, Japan | Government clerk | Details Other expeditions |
| Shoichi Ohki | M | 1958 | Japan | Climber | Koga, Ibaraki, Japan | Car salesman | Details Other expeditions |
| Isao Yamazaki | M | 1950 | Japan | Leader | Kasama, Ibaraki, Japan | Office worker (in propane gas company) | Details Other expeditions |
| Ang Kami Sherpa | M | - | Nepal | Climber | Namche Bazar, Khumbu | - | Details Other expeditions |
| Kami Tshering Sherpa | M | - | Nepal | Climber | Phakding, Khumbu | - | Details Other expeditions |
| Lhakpa Sherpa | M | - | Nepal | Climber | Khumjung, Khumbu | - | Details Other expeditions |
References
4 recorded references.
| Expedition ID | Journal | Author | Title | Publisher | Citation | Yak 94 |
|---|---|---|---|---|---|---|
| LSIS81301 | AAJ | Cheney, Michael J. & Hawley, Elizabeth | - | - | 56:221 (1982) | - |
| LSIS81301 | IWA | - | - | - | 88:188 (1982) | - |
| LSIS81301 | IWA | - | - | - | 88:45 (1982) | - |
| LSIS81301 | - | - | http://publications.americanalpineclub.org/articles/12198222102/Asia-Nepal-Lang-Shisha-Ri-Attempt | - | - | - |