Everest | 2023 S Col-SE Ridge
A Netherlands expedition to Everest in 2023 via S Col-SE Ridge, led by Arnold Coster. Summit reached on 15th May 2023. 10 members recorded.
Expedition Details
| Field | Value |
|---|---|
| ID | 11079 |
| Imported | 2026-03-06 18:04:49.359634 |
| Expedition ID | EVER23123 |
| Peak ID | EVER |
| Year | 2023 |
| Season | 1 |
| Host Country | 1 |
| Route 1 | S Col-SE Ridge |
| Route 2 | - |
| Route 3 | - |
| Route 4 | - |
| Nationality | Netherlands |
| Leaders | Arnold Coster |
| Sponsor | Arnold Coster Everest Expedition 2023 |
| Success 1 | True |
| Success 2 | False |
| Success 3 | False |
| Success 4 | False |
| Ascent 1 | - |
| Ascent 2 | - |
| Ascent 3 | - |
| Ascent 4 | - |
| Claimed | False |
| Disputed | False |
| Countries | Belgium, Brazil, USA |
| Approach | Pangboche->Lobuje->Everest BC |
| Basecamp Date | 2023-04-18 |
| Summit Date | 2023-05-15 |
| Summit Time | 0930 |
| Summit Days | 27 |
| Total Days | 36 |
| Termination Date | 2023-05-24 |
| Termination Reason | 1 |
| Termination Notes | - |
| High Point (m) | 8849 |
| Traverse | False |
| Ski | False |
| Paraglide | False |
| Camps | 4 |
| Fixed Rope (m) | 0 |
| Total Members | 7 |
| Summit Members | 3 |
| Member Deaths | 0 |
| Total Hired | 6 |
| Summit Hired | 3 |
| Hired Deaths | 0 |
| No Hired | False |
| O2 Used | True |
| O2 None | False |
| O2 Climb | True |
| O2 Descent | False |
| O2 Sleep | False |
| O2 Medical | False |
| O2 Taken | False |
| O2 Unknown | False |
| Other Summits | - |
| Campsites | BC(18/04,5350m),C1(01/05,6000m),C2(02/05,6440m),C3(05/05,7100m),C4(14/05,7900m),Smt(15/05) |
| Route Notes | Approach: Pangboche, Lobuje, Everest BC BC 18/04 5350m C1 01/05 6000m C2 02/05 6440m C3 05/05 7100m only John Kedrowski C4 14/05 7900m Smt 15/05 by Berinckz, Pemba Tashi at 9:30 am. Smt 22/05 by Pereira, Tarso, Dawa Sangay, Chenchen Lama at 9 am. 15/05 team left C4 at 8 pm. Spent about 15 mins on summit and descended to C2. 22/05 summit team left at 7:30 pm. Tarso ran out of oxygen at the South Summmit. Bernardo and Chenchen were already at the Balcony. Chenchen climbed back up and helped him down and gave him oxygen. He had passed out on the South Summit. They arrived at C4 at 4 pm and then left C4 at 11 pm and descended to C3, where they arrived at 3 am on 23/05. Torso was fatigued and on the way to C2 on 23/05 he was coughing blood. He was helivaced from C2. No Summits: Murray reached about 8600m on 17/05. He did not feel comfortable with all the crowds and decided to quit. Coster went to C2. He never intended to climb as he is the expedition leader. Kedrowski intended to climb without O2. On 21/05 he attempted to reach C3, but had a bad cough and turned back at 6300m. His highest point was South Col on the acclimatization rotation. Roeland reached 7800m during acclimatization (he was trying without O2) on 18/05. After that rotation he felt so bad and left the expedition with a chest infection. Lhotse nobody summited Lhotse even though they were on the permit. They were all too tired. Team left BC on 24/05 by heli. Sherpas above BC: 6 Oxygen: Taken and used from C3 to top or high point to C3 by everyone apart from Kedrowski and Roeland. |
| Accidents | - |
| Achievement | - |
| Agency | Seven Summit Treks |
| Commercial Route | True |
| Standard Route | True |
| Primary Route | False |
| Primary Member | False |
| Primary Reference | False |
| Primary ID | - |
| Checksum | 2464488 |
| Year | 2023 |
| Summit Success | True |
| O2 Summary | Used |
| Route (lowercase) | s col-se ridge |
Members
10 recorded members.
| Name | Sex | Year of Birth | Citizenship | Status | Residence | Occupation | |
|---|---|---|---|---|---|---|---|
| Arnold Coster | M | 1976 | Netherlands | Leader | Moerkapelle, Netherlands | Expedition leader | Details Other expeditions |
| Luc Beirinckx | M | 1969 | Belgium | Climber | - | - | Details Other expeditions |
| Gabriel Tarso Parente Carvalho Medeiros Silva | M | 1988 | Brazil | Climber | Cruzeiro, Sao Paulo, Brazil | Photographer | Details Other expeditions |
| Jonathan James (Jon) Kedrowski | M | 1979 | USA | Climber | Vail, Colorado | Professor, ski-alpinist & Professional ski instructor | Details Other expeditions |
| Adam Daniel Murray | M | 1993 | USA | Climber | - | - | Details Other expeditions |
| Bernardo Pereira Mascarenhas Da Fonseca | M | 1977 | Brazil | Climber | Rio de Janeiro, Brazil | Professional athlete & organiser of running races | Details Other expeditions |
| Roeland Wilhelmus Van Oss | M | 1987 | Netherlands | Climber | Heumen, Netherlands | Alpine guide | Details Other expeditions |
| Jenjen Lama Bhote | M | 1992 | Nepal | H-A Worker | Hatiya-4, Makalu-Barun | - | Details Other expeditions |
| Dawa Sangay Sherpa | M | 1987 | Nepal | H-A Worker | Makalu-5, Makalu-Barun | - | Details Other expeditions |
| Pemba Tashi Sherpa | M | 2000 | Nepal | H-A Worker | Makalu-9, Makalu-Barun | - | Details Other expeditions |
References
0 recorded references.