Langtang Lirung | 1991 SE Ridge
A Japan expedition to Langtang Lirung in 1991 via SE Ridge, led by Mitsuo Nomura. Summit reached on 3rd November 1991. 8 members recorded.
Expedition Details
| Field | Value |
|---|---|
| ID | 572 |
| Imported | 2026-03-06 18:04:49.359634 |
| Expedition ID | LANG91301 |
| Peak ID | LANG |
| Year | 1991 |
| Season | 3 |
| Host Country | 1 |
| Route 1 | SE Ridge |
| Route 2 | - |
| Route 3 | - |
| Route 4 | - |
| Nationality | Japan |
| Leaders | Mitsuo Nomura |
| Sponsor | Tochigi Workers Alpine Federation Expedition 1991 Langtang Lirung |
| 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 | - |
| Basecamp Date | 1991-10-03 |
| Summit Date | 1991-11-03 |
| Summit Time | - |
| Summit Days | 31 |
| Total Days | 38 |
| Termination Date | 1991-11-10 |
| Termination Reason | 5 |
| Termination Notes | Abandoned at 7150m due to deep snow, strong winds and team exhausted |
| High Point (m) | 7150 |
| Traverse | False |
| Ski | False |
| Paraglide | False |
| Camps | 4 |
| Fixed Rope (m) | 0 |
| 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(03/10,4400m),C1(05/10,4900m),C2(09/10,5600m),C3(16/10,6100m),C4(26/10,6550m),xxx(03/11,7150m) |
| Route Notes | BC at Lirung Glacier, north of Gyalsham Gompa C1 at below ridge C2 on SE Ridge C3 on SE Ridge C4 on SE Ridge. After C3, Sherpas in "no good condition" to carry loads and only one carried to C4 only once. 26 Oct C4 pitched but slept in; other party arrived C4 on 29th and slept there. 30th made summit attack by Nagatsuka and Yanagihara to 6900m. Then Nagatsuka became blind in both eyes from altitude (could see 30 cm only). Next day his sight Ok after reaching BC 31st at Oct (slept in C4 on 31st). 2nd attack on 2 Nov from C3 by Nomura and Ogawa. 3 Nov 4:30 am started from C4 and reached 7150m at 3:00 pm; turned back because too late for summit and safe return. Slow progress that day due to deep snow and strong wind. Returned to C4 to sleep and to C2 next day. 3rd attack by Ichimura and Oishi who arrived C4 6 Nov to go to top on 7th but on 7th Ichimura and Oishi in "no good condition" and strong wind (Ichimura heavy coughing/sore ribs and Oishi tired), so now climbing finished. 6 members had tried for summit, one gone home because his time to be out of Japan finished and other one had serious tooth infection. Between C2 and C2 dangerous from falling stones and when snow is present, avalanching. Route is difficult: sharp ridge with soft snow. Left BC 10 Nov. |
| Accidents | Muroi serious tooth infection; Nagatsuka nearly blinded from altitude |
| Achievement | - |
| Agency | Cosmo Treks |
| Commercial Route | - |
| Standard Route | - |
| Primary Route | False |
| Primary Member | False |
| Primary Reference | - |
| Primary ID | - |
| Checksum | 2451230 |
| Year | 1991 |
| Summit Success | False |
| O2 Summary | None |
| Route (lowercase) | se ridge |
Members
8 recorded members.
| Name | Sex | Year of Birth | Citizenship | Status | Residence | Occupation | |
|---|---|---|---|---|---|---|---|
| Takashi Ichimura | M | 1957 | Japan | Climber | Utsunomiya, Tochigi, Japan | Factory worker | Details Other expeditions |
| Tsutomo Muroi | M | 1950 | Japan | Climber | Tokyo, Japan | Craftsman (makes room partitions for Japanese-style homes) | Details Other expeditions |
| Akira Nagatsuga | M | 1956 | Japan | Climber | Tokyo, Japan | Installs air-conditioning equipment | Details Other expeditions |
| Mitsuo Nomura | M | 1944 | Japan | Leader | Ujeie-machi, Tochigi, Japan | Laboratory technician | Details Other expeditions |
| Norimitsu Ogawa | M | 1948 | Japan | Climber | Minami-Nasucho, Nasuku, Tochigi, Japan | Electrical goods salesman | Details Other expeditions |
| Kazuma Oishi | M | 1949 | Japan | Climber | Nagareyama, Chiba, Japan | Cameraman | Details Other expeditions |
| Takehiko Yanagihara | M | 1960 | Japan | Climber | Tokyo, Japan | Construction worker | Details Other expeditions |
| Hideki Yatsuhashi | M | 1952 | Japan | Climber | Nakariyo, Niigata, Japan | Shop owner | Details Other expeditions |
References
4 recorded references.
| Expedition ID | Journal | Author | Title | Publisher | Citation | Yak 94 |
|---|---|---|---|---|---|---|
| LANG91301 | AAJ | Hawley, Elizabeth | - | - | 66:212 (1992) | - |
| LANG91301 | IWA | - | - | - | :216 (1992) | - |
| LANG91301 | IWA | - | - | - | :61 (1992) | - |
| LANG91301 | - | - | http://publications.americanalpineclub.org/articles/12199221202/Langtang-Lirung-Post-Monsoon-Southeast-Ridge-Attempts | - | - | - |