Churen Himal West | 1974 W Ridge
A Japan expedition to Churen Himal West in 1974 via W Ridge, led by Hiroaki Yamada. Summit reached on 14th May 1974. 7 members recorded.
Expedition Details
| Field | Value |
|---|---|
| ID | 2322 |
| Imported | 2026-03-06 18:04:49.359634 |
| Expedition ID | CHRW74101 |
| Peak ID | CHRW |
| Year | 1974 |
| Season | 1 |
| Host Country | 1 |
| Route 1 | W Ridge |
| Route 2 | - |
| Route 3 | - |
| Route 4 | - |
| Nationality | Japan |
| Leaders | Hiroaki Yamada |
| Sponsor | Meihou Mountaineering Society Himalayan Expedition 1974 |
| 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 | 1974-04-06 |
| Summit Date | 1974-05-14 |
| Summit Time | - |
| Summit Days | 38 |
| Total Days | 0 |
| Termination Date | - |
| Termination Reason | 7 |
| Termination Notes | Abandoned at 6830m after member became sick (AMS) at C4 |
| High Point (m) | 6830 |
| Traverse | False |
| Ski | False |
| Paraglide | False |
| Camps | 4 |
| Fixed Rope (m) | 2050 |
| Total Members | 6 |
| 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(06/04),C1(08/04,4700m),C2(20/04,5500m),C3(02/05,6150m),C4(12/05,6650m),xxx(6830m) |
| Route Notes | Yamada - 3 June 74 4 members were sick: 1 in lungs from altitude, 2 liver and 1 very tired. Mori and Othuka reached 6830m on 14 May, but Mori because sick at this altitude and therefore only Yamada and Othuka in C4 and well. Then stopped climbing 15 May. West Ridge route very difficult: all rock C2-C3 all rock ridge: new route - left side of SW Face-West Ridge. 600m fixed rope between C2 and C3. C1 also rock: rock face and easy glacier and here 550m fixed rope; above C3 to C4 narrow snow ridge 500m rope; above C4 more fixed rope 200m and on glacier 200m; total 2050m fixed rope. Possible reach summit by West Ridge with 8-10 members with 4-5 strong. One more camp necessary with (1000m) more fixed rope - camp about 7000m. No accident, no yeti. Leave Nepal 7 May Churen Abandoned 16 May due to bad weather and sickness of 4 members. Established C4 at 6650m 12 May. 2 members reached 6830m towards C5. Suganumo - 21 May 74 Japanese embassy understands Churen Himal abandoned about one week ago; reached C4. Reason not known. Are on way to KTM. MP Khanal, MFA - 4 April 74 LO reports bad weather has held up expedition at Gurjagaon; 8 days of continuous snow; still on way to base camp on 29 March. 8 Feb 74 22 Feb leader + 3 members arrive 2 here now and today Go to Pokhara 28 Feb West Ridge, same route 1969 and 1971, Yamada - 26 Feb 74 28 Feb fly to Pokhara. Caravan 15 March (waiting for snow go off pass on) to 1 April at BC. Base camp 4100m in Kaphe Khola for assault on West Peak. 1962 Japanese - north side? 1970 Koreans - east side 1969 Italians - West Ridge 1970 Japanese - West Ridge 1971 Japanese - West Ridge 1974 Japanese - West Ridge Present expedition: 6 camps, C6 6900m on West Ridge Summit attack 10-20 March Maybe success; difficult route very steep C3 6000m on col between Putha Hiunchuli and Churen = adv camp. thence C4, C5 and C6 on West Ridge. Sherpas: 1 sirdar Ang Temba and 5 + 1 cook and 2 mailrunner and 1 kitchen boy Hiroaki Yamada Leave KTM 28 Feb Charter flight to Pokhara All members arrive today 22 Feb |
| Accidents | 4 member were sick: 1 in lungs from altitude, 2 liver and 1 very tired |
| Achievement | - |
| Agency | - |
| Commercial Route | - |
| Standard Route | - |
| Primary Route | False |
| Primary Member | False |
| Primary Reference | - |
| Primary ID | - |
| Checksum | 2447936 |
| Year | 1974 |
| Summit Success | False |
| O2 Summary | None |
| Route (lowercase) | w ridge |
Members
7 recorded members.
| Name | Sex | Year of Birth | Citizenship | Status | Residence | Occupation | |
|---|---|---|---|---|---|---|---|
| Hiroaki Yamada | M | 1940 | Japan | Leader | Tokyo, Japan | Electrical engineer | Details Other expeditions |
| Akihiko Mori | M | 1945 | Japan | Deputy Leader | Tokyo, Japan | Shopkeeper | Details Other expeditions |
| Takashi Nala | M | 1944 | Japan | Climber | Tokyo, Japan | Construction engineer | Details Other expeditions |
| Masaki Matsumoto | M | 1948 | Japan | Climber | Tokyo, Japan | Shopkeeper | Details Other expeditions |
| Masathugu Sato | M | 1948 | Japan | Climber | Tokyo, Japan | Design engineer | Details Other expeditions |
| Iwao Othuka | M | 1951 | Japan | Climber | Tokyo, Japan | Shopkeeper | Details Other expeditions |
| Ang Temba Sherpa | M | - | Nepal | Sirdar | - | - | Details Other expeditions |
References
5 recorded references.
| Expedition ID | Journal | Author | Title | Publisher | Citation | Yak 94 |
|---|---|---|---|---|---|---|
| CHRW74101 | AAJ | Guha, Kamal K. | - | - | 49:199 (1975) | - |
| CHRW74101 | HJ | Yamada, Hiroaki | Churen Himal, 1974 | - | 34:152-154 (1974-75) | - |
| CHRW74101 | IWA | - | - | - | 42:27-28 (1975) | - |
| CHRW74101 | - | - | http://publications.americanalpineclub.org/articles/12197519903/Asia-Nepal-Churen-Himal | - | - | - |
| CHRW74101 | - | - | https://www.himalayanclub.org/hj/34/33/churen-himal-1974/ | - | - | - |