Ama Dablam | 1990 SW Ridge
A Norway expedition to Ama Dablam in 1990 via SW Ridge, led by Jan Westby. Summit reached on 2nd December 1990. 6 members recorded.
Expedition Details
| Field | Value |
|---|---|
| ID | 734 |
| Imported | 2026-03-06 18:04:49.359634 |
| Expedition ID | AMAD90401 |
| Peak ID | AMAD |
| Year | 1990 |
| Season | 4 |
| Host Country | 1 |
| Route 1 | SW Ridge |
| Route 2 | - |
| Route 3 | - |
| Route 4 | - |
| Nationality | Norway |
| Leaders | Jan Westby |
| Sponsor | Norwegian-Swedish Himalayan Expedition |
| Success 1 | True |
| Success 2 | False |
| Success 3 | False |
| Success 4 | False |
| Ascent 1 | 80th |
| Ascent 2 | - |
| Ascent 3 | - |
| Ascent 4 | - |
| Claimed | False |
| Disputed | False |
| Countries | Sweden |
| Approach | - |
| Basecamp Date | 1990-11-20 |
| Summit Date | 1990-12-02 |
| Summit Time | - |
| Summit Days | 12 |
| Total Days | 17 |
| Termination Date | 1990-12-07 |
| Termination Reason | 1 |
| Termination Notes | - |
| High Point (m) | 6814 |
| Traverse | False |
| Ski | False |
| Paraglide | False |
| Camps | 3 |
| Fixed Rope (m) | 0 |
| Total Members | 6 |
| 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 | - |
| Campsites | BC(20/11,4500m),ABC(27/11,5300m),C1(30/11,5826m),C2(02/12,6100m),C3(01/12,6400m),Smt(02/12) |
| Route Notes | BC near Mingbo village C1 at start of ridge C2 by 2nd team only C3 after mushroom ridge by 1st team who went to top 2 Dec. Started for ABC on 30th Nov and from C1 on 1st Dec. From C1 is where climbing starts; C3 at usual C3 site and reached at midnight after 18 hrs on 1st Dec by first team. 2nd team on same day reached only at 6000m and bived there, reached 6100m on 2nd Dec and established C2, and on 3rd started up but one member not feeling well at 6200m and both turned backand slept at C2 with summiters on 3rd Dec. 1st team had underestimated length of route above C1: mountain more difficult than expected. No fixed ropes, no garbage, no Sherpas. Left BC 7th Dec. Westby reached C1, decided against going higher; least experienced member. |
| Accidents | Nothing serious |
| Achievement | 1st Scandinavian ascent in Himalayas in winter |
| Agency | Himalayan Explorers |
| Commercial Route | True |
| Standard Route | False |
| Primary Route | False |
| Primary Member | False |
| Primary Reference | - |
| Primary ID | - |
| Checksum | 2453098 |
| Year | 1990 |
| Summit Success | True |
| O2 Summary | None |
| Route (lowercase) | sw ridge |
Members
6 recorded members.
| Name | Sex | Year of Birth | Citizenship | Status | Residence | Occupation | |
|---|---|---|---|---|---|---|---|
| Anders Bergwall | M | 1962 | Sweden | Climber | Riksgransen, Sweden | Alpine guide | Details Other expeditions |
| Thorbjorn Enevold | M | 1958 | Norway | Climber | Narvik, Norway | Alpine guide | Details Other expeditions |
| Per Malmsten | M | 1962 | Sweden | Climber | Faker, Sweden | Carpenter | Details Other expeditions |
| Magnar Osnes | M | 1954 | Norway | Exp Doctor | Tromso, Norway | Physician | Details Other expeditions |
| Michael Sundberg | M | 1962 | Sweden | Climber | Faker, Sweden | Construction worker | Details Other expeditions |
| Jan Westby | M | 1956 | Norway | Leader | Sofiemyr, Norway | Mountaineering gear purchasing manager | Details Other expeditions |
References
2 recorded references.
| Expedition ID | Journal | Author | Title | Publisher | Citation | Yak 94 |
|---|---|---|---|---|---|---|
| AMAD90401 | AAJ | Hawley, Elizabeth | - | - | 65:219-220 (1991) | - |
| AMAD90401 | - | - | http://publications.americanalpineclub.org/articles/12199121902/Asia-Nepal-Ama-Dablam-Southwest-Ridge-in-Winter | - | - | - |