Cho Oyu | 1999 NW side
A Switzerland expedition to Cho Oyu in 1999 via NW side, led by Martin Kueng. Summit reached on 26th April 1999. 4 members recorded.
Expedition Details
| Field | Value |
|---|---|
| ID | 3292 |
| Imported | 2026-03-06 18:04:49.359634 |
| Expedition ID | CHOY99108 |
| Peak ID | CHOY |
| Year | 1999 |
| Season | 1 |
| Host Country | 2 |
| Route 1 | NW side |
| Route 2 | - |
| Route 3 | - |
| Route 4 | - |
| Nationality | Switzerland |
| Leaders | Martin Kueng |
| Sponsor | Swiss-German Double Expedition 99 |
| Success 1 | True |
| Success 2 | False |
| Success 3 | False |
| Success 4 | False |
| Ascent 1 | 324,326 |
| Ascent 2 | - |
| Ascent 3 | - |
| Ascent 4 | - |
| Claimed | False |
| Disputed | False |
| Countries | Germany |
| Approach | KTM->Tingri->BC |
| Basecamp Date | 1999-04-06 |
| Summit Date | 1999-04-26 |
| Summit Time | 1315 |
| Summit Days | 20 |
| Total Days | 28 |
| Termination Date | 1999-05-04 |
| Termination Reason | 1 |
| Termination Notes | - |
| High Point (m) | 8188 |
| Traverse | False |
| Ski | False |
| Paraglide | False |
| Camps | 3 |
| Fixed Rope (m) | 300 |
| Total Members | 4 |
| Summit Members | 3 |
| 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 | False |
| O2 Unknown | False |
| Other Summits | Climbed Xixabangma (Borrmann and Kueng summited 2-3 May) |
| Campsites | BC(06/04,4900m),ABC(09/04,5700m),C1(17/04,6400m),C2(23/04,6800m),C3(25/04,7400m),Smt(26/04,01/05) |
| Route Notes | Boll and Borrmann started from C3 at 2 am and after summit returned to C3 to sleep. Got to C3 at 4 pm. Brahmer and Kueng started from C3 at 2 am and returned to C2. Kueng got to C2 at 4 pm. Brahmer turned back at 7500m because it was too cold, [Kueng summited]. Each member made only one summit bid on Cho Oyu. Made two bids on Xixabangma. Brahmer had left after Cho Oyu. On 25 April 3 from Colombian team summitted. No other groups summited on 26 April or 1 May. On 4 May 2 Canadians made a second summit bid but not sure whether they reached the top or not. |
| Accidents | - |
| Achievement | - |
| Agency | Gaurishankar |
| Commercial Route | True |
| Standard Route | True |
| Primary Route | False |
| Primary Member | False |
| Primary Reference | - |
| Primary ID | - |
| Checksum | 2457074 |
| Year | 1999 |
| Summit Success | True |
| O2 Summary | None |
| Route (lowercase) | nw side |
Members
4 recorded members.
| Name | Sex | Year of Birth | Citizenship | Status | Residence | Occupation | |
|---|---|---|---|---|---|---|---|
| Andrea Boll | F | 1971 | Switzerland | Climber | Bubikon, Zurich, Switzerland | Nurse | Details Other expeditions |
| Michael Borrmann | M | 1973 | Germany | Climber | Moelln, Mecklenburg-Vorpommern, Germany | Education student | Details Other expeditions |
| Bert Brahmer | M | 1964 | Germany | Climber | Karlsdorf, Germany | Engineer | Details Other expeditions |
| Martin Kueng | M | 1971 | Switzerland | Leader | Pratteln, Basel, Switzerland | Bank employee | Details Other expeditions |
References
2 recorded references.