Peaks
Ama Dablam
Switzerland 1990 SW Ridge expedition
Ama Dablam | 1990 SW Ridge
A Switzerland expedition to Ama Dablam in 1990 via SW Ridge, led by Christian Hug.
Summit reached on 23rd October 1990.
2 members recorded.
Expedition Details
Field
Value
ID
677
Imported
2026-03-06 18:04:49.359634
Expedition ID
AMAD90305
Peak ID
AMAD
Year
1990
Season
3
Host Country
1
Route 1
SW Ridge
Route 2
-
Route 3
-
Route 4
-
Nationality
Switzerland
Leaders
Christian Hug
Sponsor
Swiss to Ama Dablam
Success 1
True
Success 2
False
Success 3
False
Success 4
False
Ascent 1
75th (w/Ger)
Ascent 2
-
Ascent 3
-
Ascent 4
-
Claimed
False
Disputed
False
Countries
-
Approach
-
Basecamp Date
1990-10-14
Summit Date
1990-10-23
Summit Time
-
Summit Days
9
Total Days
0
Termination Date
-
Termination Reason
1
Termination Notes
-
High Point (m)
6814
Traverse
False
Ski
False
Paraglide
False
Camps
2
Fixed Rope (m)
0
Total Members
2
Summit Members
2
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(14/10,4700m),C1(17/10,5800m),C2(22/10,6030m),Smt(23/10)
Route Notes
Was snowing where arrived at mountain and snow coming down W Face so made no attempt on face. C1 tent left at site when down but in final push, took tent (had only one tent) and took it to C2. 18th Oct to BC to rest and up on 21st taking tent from C1 to C2; summit next day.
No problems with other teams; British were very kind and let Swiss use their fixed ropes; on 22nd climbed to top with one German expedition member.
Accidents
None
Achievement
-
Agency
Everest Trekking
Commercial Route
True
Standard Route
False
Primary Route
False
Primary Member
False
Primary Reference
-
Primary ID
-
Checksum
2453058
Year
1990
Summit Success
True
O2 Summary
None
Route (lowercase)
sw ridge
Members
Field
Value
ID
481
Imported
2026-03-06 18:06:05.675609
Expedition ID
AMAD90305
Member ID
01
Peak ID
AMAD
Year
1990
Season
3
First Name
Christian
Last Name
Hug
Sex
M
Age
0
Birth Date
-
Year of Birth
1960
Calculated Age
29
Citizenship
Switzerland
Status
Leader
Residence
Geneva, Switzerland
Occupation
Carpenter
Leader
True
Deputy
False
Basecamp Only
False
Not to BC
False
Support
False
Disabled
False
Hired
False
Sherpa
False
Tibetan
False
Summit Success
True
Claimed
False
Disputed
False
Solo
False
Traverse
False
Ski
False
Paraglide
False
Speed
-
High Point (m)
True
Personal High Point (m)
6814
Summit Date 1
1990-10-23
Summit Date 2
-
Summit Date 3
-
Summit Time 1
-
Summit Time 2
-
Summit Time 3
-
Route 1
1
Route 2
0
Route 3
0
Ascent 1
75
Ascent 2
0
Ascent 3
0
O2 Used
False
O2 None
True
O2 Climb
False
O2 Descent
False
O2 Sleep
False
O2 Medical
False
O2 Notes
-
Death
False
Death Date
-
Death Time
-
Death Type
0
Death Height (m)
0
Death Class
0
AMS
False
Weather
False
Injury
False
Injury Date
-
Injury Time
-
Injury Type
0
Injury Height (m)
0
Death Notes
-
Member Notes
-
Necrology
-
Summit Bid
5
Summit Term
1
HCN
0
Checksum
2435266
Summit Note 1
-
Summit Note 2
-
Summit Note 3
-
Death Route
-
Name (lowercase)
christian hug
Year of Birth
1960
Year
1990
Age at Expedition
30
Role
Leader
Field
Value
ID
482
Imported
2026-03-06 18:06:05.675609
Expedition ID
AMAD90305
Member ID
02
Peak ID
AMAD
Year
1990
Season
3
First Name
Christian-Pierre
Last Name
Portmann
Sex
M
Age
0
Birth Date
-
Year of Birth
1962
Calculated Age
28
Citizenship
Switzerland
Status
Climber
Residence
St. Jean, Valais, Switzerland
Occupation
Carpenter
Leader
False
Deputy
False
Basecamp Only
False
Not to BC
False
Support
False
Disabled
False
Hired
False
Sherpa
False
Tibetan
False
Summit Success
True
Claimed
False
Disputed
False
Solo
False
Traverse
False
Ski
False
Paraglide
False
Speed
-
High Point (m)
True
Personal High Point (m)
6814
Summit Date 1
1990-10-23
Summit Date 2
-
Summit Date 3
-
Summit Time 1
-
Summit Time 2
-
Summit Time 3
-
Route 1
1
Route 2
0
Route 3
0
Ascent 1
75
Ascent 2
0
Ascent 3
0
O2 Used
False
O2 None
True
O2 Climb
False
O2 Descent
False
O2 Sleep
False
O2 Medical
False
O2 Notes
-
Death
False
Death Date
-
Death Time
-
Death Type
0
Death Height (m)
0
Death Class
0
AMS
False
Weather
False
Injury
False
Injury Date
-
Injury Time
-
Injury Type
0
Injury Height (m)
0
Death Notes
-
Member Notes
-
Necrology
-
Summit Bid
5
Summit Term
1
HCN
0
Checksum
2435734
Summit Note 1
-
Summit Note 2
-
Summit Note 3
-
Death Route
-
Name (lowercase)
christian-pierre portmann
Year of Birth
1962
Year
1990
Age at Expedition
28
Role
Member
2 recorded members.
References
Field
Value
ID
670
Imported
2026-03-06 18:06:36.307770
Expedition ID
AMAD90305
Reference ID
01
Year
1990
Type
2
Journal
AAJ
Author
Hawley, Elizabeth
Title
-
Publisher
-
Publication Date
1991
Language
-
Citation
65:217-219 (1991)
Yak 94
-
Notes
-
Field
Value
ID
11510
Imported
2026-03-06 18:06:36.307770
Expedition ID
AMAD90305
Reference ID
02
Year
1990
Type
5
Journal
-
Author
-
Title
http://publications.americanalpineclub.org/articles/12199121705/Asia-Nepal-Ama-Dablam-Autumn-Ascents-and-Attempts
Publisher
-
Publication Date
-
Language
-
Citation
-
Yak 94
-
Notes
-
2 recorded references.