Everest | 2005 S Col-SE Ridge
A USA expedition to Everest in 2005 via S Col-SE Ridge, led by Dan Mazur. Summit reached on 5th June 2005. 9 members recorded.
Expedition Details
| Field | Value |
|---|---|
| ID | 4980 |
| Imported | 2026-03-06 18:04:49.359634 |
| Expedition ID | EVER05195 |
| Peak ID | EVER |
| Year | 2005 |
| Season | 1 |
| Host Country | 1 |
| Route 1 | S Col-SE Ridge |
| Route 2 | - |
| Route 3 | - |
| Route 4 | - |
| Nationality | USA |
| Leaders | Dan Mazur |
| Sponsor | SummitClimb Everest Expedition 2005 |
| 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 | Germany, Netherlands, Sweden |
| Approach | - |
| Basecamp Date | 2005-04-14 |
| Summit Date | 2005-06-05 |
| Summit Time | 0900 |
| Summit Days | 52 |
| Total Days | 53 |
| Termination Date | 2005-06-06 |
| 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 | 1 |
| Member Deaths | 1 |
| Total Hired | 4 |
| Summit Hired | 2 |
| Hired Deaths | 0 |
| No Hired | False |
| O2 Used | True |
| O2 None | False |
| O2 Climb | True |
| O2 Descent | False |
| O2 Sleep | True |
| O2 Medical | False |
| O2 Taken | False |
| O2 Unknown | False |
| Other Summits | - |
| Campsites | BC(14/04),C1(21/04,5900m),C2(28/04,6450m),C3(04/05,7100m),C4(03/06,7900m),Smt(05/06) |
| Route Notes | C1 at top of Icefall C2 at West Cwm C3 at Lhotse Face C4 at South Col. Summit party left C4 at 9:30 pm on 4 June for top; Clarke, Coster, Tenji Sherpa and Lhakpa Sherpa; Coster turned back at 8400m at 2:00 am of 5th June because did not feel right, weather changed to windy and snowfalling; waited at South Col for others. Others on top at 9:00 am and all slept in C4 that night, weather (summiters to C4 at 2:00 pm). All down to BC next day because Icefall route being closed on 7th June. This only summit bid. Christopher O'Brien left on 4 May in helicopter with body of his brother Michael who hadn't clipped into Icefall rope 1/3 of way down the Icefall, slipped from big ice block into crevasse, died from internal injuries (fell total of 50m); brother was with him in Icefall descent. Oxygen: Clarke from 8200m because Sherpa said he was moving slowly to top to and in C4; Sherpa summiters from 7700m to top to and in C4. |
| Accidents | Fatal fall by Mike O'Brien only |
| Achievement | - |
| Agency | Everest Parivar |
| Commercial Route | True |
| Standard Route | True |
| Primary Route | False |
| Primary Member | False |
| Primary Reference | False |
| Primary ID | - |
| Checksum | 2459717 |
| Year | 2005 |
| Summit Success | True |
| O2 Summary | Used |
| Route (lowercase) | s col-se ridge |
Members
9 recorded members.
| Name | Sex | Year of Birth | Citizenship | Status | Residence | Occupation | |
|---|---|---|---|---|---|---|---|
| Claybourne Fox (Clay) Clarke | M | 1969 | USA | Climber | Sante Fe, New Mexico | Attorney | Details Other expeditions |
| Arnold Coster | M | 1976 | Netherlands | Climber | Utrecht, Netherlands | Mechanical engineer | Details Other expeditions |
| Lars Johan Marcus Frankelius | M | 1968 | Sweden | Climber | Uppsala, Sweden | Student | Details Other expeditions |
| Daniel Lee (Dan) Mazur | M | 1960 | USA | Leader | Longbranch, Washington | House builder & alpinist | Details Other expeditions |
| Christopher J. (Chris) O'Brien | M | 1972 | USA | Climber | Oswego, New York | Physician | Details Other expeditions |
| Michael Corey O'Brien | M | 1965 | USA | Climber | Seattle, Washington | Driver & bartender | Details Other expeditions |
| Jens Voigt | M | 1975 | Germany | Climber | Erlangen, Bavaria, Germany | Stock broker | Details Other expeditions |
| Tenji/Tenzing Sherpa | M | 1982 | Nepal | H-A Worker | Patle-6, Okhaldhunga | - | Details Other expeditions |
| Lhakpa (Kongle) Sherpa | M | 1964 | Nepal | H-A Worker | Patle-4, Okhaldhunga | - | Details Other expeditions |
References
2 recorded references.
| Expedition ID | Journal | Author | Title | Publisher | Citation | Yak 94 |
|---|---|---|---|---|---|---|
| EVER05195 | - | - | http://www.everestnews.com/Summitclimb2005/everestnepal2005.htm | - | - | - |
| EVER05195 | - | - | http://www.frankelius.com/Johan/high_himalaya.html | - | - | - |