Cho Oyu | 1994 W Ridge-W Face from N (direct)
A Switzerland expedition to Cho Oyu in 1994 via W Ridge-W Face from N (direct), led by Christian Dupre. Summit reached on 29th April 1994. 6 members recorded.
Expedition Details
| Field | Value |
|---|---|
| ID | 1319 |
| Imported | 2026-03-06 18:04:49.359634 |
| Expedition ID | CHOY94104 |
| Peak ID | CHOY |
| Year | 1994 |
| Season | 1 |
| Host Country | 2 |
| Route 1 | W Ridge-W Face from N (direct) |
| Route 2 | - |
| Route 3 | - |
| Route 4 | - |
| Nationality | Switzerland |
| Leaders | Christian Dupre |
| Sponsor | Swiss Cho Oyu Expedition |
| Success 1 | True |
| Success 2 | False |
| Success 3 | False |
| Success 4 | False |
| Ascent 1 | 141 |
| Ascent 2 | - |
| Ascent 3 | - |
| Ascent 4 | - |
| Claimed | False |
| Disputed | False |
| Countries | - |
| Approach | - |
| Basecamp Date | 1994-04-14 |
| Summit Date | 1994-04-29 |
| Summit Time | 1200 |
| Summit Days | 15 |
| Total Days | 21 |
| Termination Date | 1994-05-05 |
| Termination Reason | 1 |
| Termination Notes | - |
| High Point (m) | 8188 |
| Traverse | False |
| Ski | False |
| Paraglide | False |
| Camps | 3 |
| Fixed Rope (m) | 0 |
| Total Members | 6 |
| Summit Members | 1 |
| Member Deaths | 0 |
| Total Hired | 0 |
| Summit Hired | 0 |
| Hired Deaths | 0 |
| No Hired | True |
| O2 Used | True |
| O2 None | False |
| O2 Climb | False |
| O2 Descent | False |
| O2 Sleep | False |
| O2 Medical | True |
| O2 Taken | False |
| O2 Unknown | False |
| Other Summits | - |
| Campsites | ABC(14/04,5700m),C1(17/04,6400m),C2(21/04,7000m),C3(28/04,7600m),Smt(29/04) |
| Route Notes | 1st summit attempt on 29th by Pedrina alone from C3. Left C4 4 am Chinese time & on top at 12:00 noon (went to highest point) & descended to C2. 2nd summmit bid set for 3 May but during night of 2nd May tents destroyed by winds: lost C2 and its supplies completely, C2 tent broken; so no actual summit bid on 3rd and climb finished. |
| Accidents | Helene Dupre altitude sickness at Chinese BC & left after 1 night |
| Achievement | - |
| Agency | Surya Travel |
| Commercial Route | True |
| Standard Route | True |
| Primary Route | False |
| Primary Member | False |
| Primary Reference | False |
| Primary ID | - |
| Checksum | 2455201 |
| Year | 1994 |
| Summit Success | True |
| O2 Summary | Used |
| Route (lowercase) | w ridge-w face from n (direct) |
Members
6 recorded members.
| Name | Sex | Year of Birth | Citizenship | Status | Residence | Occupation | |
|---|---|---|---|---|---|---|---|
| Pierre Ryf | M | 1950 | Switzerland | Climber | Bulle, Fribourg, Switzerland | Secondary school teacher | Details Other expeditions |
| Christian Dupre | M | 1962 | Switzerland | Leader | Bulle, Fribourg, Switzerland | Alpine guide | Details Other expeditions |
| Olivier Nicolet | M | 1971 | Switzerland | Climber | Les Brenets, Neuchatel, Switzerland | Instructor in parapenting | Details Other expeditions |
| Fabio Pedrina | M | 1954 | Switzerland | Climber | Airolo, Ticino, Switzerland | Economist & planner | Details Other expeditions |
| Claire-Lise Ryf | F | 1951 | Switzerland | Climber | Bulle, Fribourg, Switzerland | Business-woman | Details Other expeditions |
| Helene Dupre | F | 1966 | Switzerland | Climber | Sorens, Fribourg, Switzerland | Medical secretary | Details Other expeditions |
References
2 recorded references.
| Expedition ID | Journal | Author | Title | Publisher | Citation | Yak 94 |
|---|---|---|---|---|---|---|
| CHOY94104 | AAJ | Hawley, Elizabeth | - | - | 69:304-305 (1995) | - |
| CHOY94104 | - | - | http://publications.americanalpineclub.org/articles/12199530403/Asia-Tibet-Cho-Oyu-from-the-North-in-the-Pre-Monsoon | - | - | - |