Cho Oyu | 2005 NW side
A Ireland expedition to Cho Oyu in 2005 via NW side, led by Roger McMarrow. Summit reached on 24th September 2005. 10 members recorded.
Expedition Details
| Field | Value |
|---|---|
| ID | 5064 |
| Imported | 2026-03-06 18:04:49.359634 |
| Expedition ID | CHOY05333 |
| Peak ID | CHOY |
| Year | 2005 |
| Season | 3 |
| Host Country | 2 |
| Route 1 | NW side |
| Route 2 | - |
| Route 3 | - |
| Route 4 | - |
| Nationality | Ireland |
| Leaders | Roger McMarrow |
| Sponsor | Anglo-Irish Cho Oyu Xtreme Expedition |
| 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 | UK |
| Approach | Kodari->Tingri |
| Basecamp Date | 2005-09-03 |
| Summit Date | 2005-09-24 |
| Summit Time | 1050 |
| Summit Days | 21 |
| Total Days | 27 |
| Termination Date | 2005-09-30 |
| Termination Reason | 1 |
| Termination Notes | - |
| High Point (m) | 8188 |
| Traverse | False |
| Ski | False |
| Paraglide | False |
| Camps | 3 |
| Fixed Rope (m) | 0 |
| Total Members | 7 |
| Summit Members | 6 |
| Member Deaths | 0 |
| Total Hired | 3 |
| 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(03/09,4700m),ABC(09/09,5600m),C1(15/09,6400m),C2(18/09,7100m),C3(23/09,7400m),Smt(24-25/09) |
| Route Notes | The team that summited on 24 Sept left C3 at 2:30 am. Szawarski and Ahuja descended to C2 where they arrived at around 6 pm. Windsor and O'Dwyer descended to C3, where they arrived at 4 pm. Windsor accompanied Carlos from Catalan team to C3 who was suffering from cerebral edema. McMorrow, Hart and Namgyal Sherpa (who had summited on 24 Sept and waited at C3 for McMorrow and Hart) left C3 for summit at 3:50 am. They put up a tent on summit to take arterial blood from Hart. They spent 1 hour and 10 minutes there. They got to C3 at 1 pm and carried on to C2, where they arrived at 4 pm and spent the night. Sherpa summiters: Namgyal Sherpa, Rakha-5, Khotang, 5/10/1977, Cho Oyu X3, Everest X1 Pasang Sherpa, Sotang-6, Solu, 31/7/60, no 8000ers Da Ongchuu Sherpa, Kurima, Lokhim-9, 16/4/79, no 8000ers |
| Accidents | - |
| Achievement | - |
| Agency | Explore Himalaya |
| Commercial Route | True |
| Standard Route | True |
| Primary Route | False |
| Primary Member | False |
| Primary Reference | False |
| Primary ID | - |
| Checksum | 2459063 |
| Year | 2005 |
| Summit Success | True |
| O2 Summary | Used |
| Route (lowercase) | nw side |
Members
10 recorded members.
| Name | Sex | Year of Birth | Citizenship | Status | Residence | Occupation | |
|---|---|---|---|---|---|---|---|
| Roger C. Nizel McMorrow | M | 1975 | Ireland | Leader | Dublin, Ireland | Physician | Details Other expeditions |
| Jeremy Scott Windsor | M | 1971 | UK | Deputy Leader | London, England | Physiologist | Details Other expeditions |
| Vijay Ahuja | M | 1982 | UK | Climber | Bolton, Lancashire, England | Medical student | Details Other expeditions |
| Nigel David Hart | M | 1966 | UK | Climber | Belfast, Northern Ireland | Physician | Details Other expeditions |
| Michael Joseph O'Dwyer | M | 1975 | Ireland | Climber | Dublin, Ireland | Physician (anesthetist) | Details Other expeditions |
| Paul Richards | M | 1964 | UK | Exp Doctor | Billericay, Essex, England | Physician | Details Other expeditions |
| Piotr Szawarski | M | 1974 | UK | Climber | London, England | Physician | Details Other expeditions |
| Namgyal Sherpa | M | 1977 | Nepal | H-A Worker | Rakha Bangdel-5, Khotang | - | Details Other expeditions |
| Da Ongchhu (Dawangchu) Sherpa | M | 1979 | Nepal | H-A Worker | Kurima, Lokhim-9, Solukhumbu | - | Details Other expeditions |
| Pasang Sherpa | M | 1960 | Nepal | H-A Worker | Sotang, Solukhumbu | - | Details Other expeditions |
References
2 recorded references.
| Expedition ID | Journal | Author | Title | Publisher | Citation | Yak 94 |
|---|---|---|---|---|---|---|
| CHOY05333 | AAJ | Windsor, Jeremy | - | - | 81:376-377 (2007) | - |
| CHOY05333 | - | - | http://publications.americanalpineclub.org/articles/12200737600/Cho-Oyu-2005-Blood-Samples-at-Very-High-Altitude | - | - | - |