Cho Oyu | 1954 W Ridge-W Face

A Switzerland expedition to Cho Oyu in 1954 via W Ridge-W Face, led by Raymond Lambert. Summit reached on 28th October 1954. 10 members recorded.

Expedition Details

Field	Value
ID	2677
Imported	2026-03-06 18:04:49.359634
Expedition ID	CHOY54302
Peak ID	CHOY
Year	1954
Season	3
Host Country	1
Route 1	W Ridge-W Face
Route 2	-
Route 3	-
Route 4	-
Nationality	Switzerland
Leaders	Raymond Lambert
Sponsor	-
Success 1	False
Success 2	False
Success 3	False
Success 4	False
Ascent 1	-
Ascent 2	-
Ascent 3	-
Ascent 4	-
Claimed	False
Disputed	False
Countries	France
Approach	Namche->Nangpa La
Basecamp Date	1954-10-11
Summit Date	1954-10-28
Summit Time	-
Summit Days	17
Total Days	21
Termination Date	1954-11-01
Termination Reason	4
Termination Notes	Abandoned at 7700m due to onset of storms
High Point (m)	7700
Traverse	False
Ski	False
Paraglide	False
Camps	4
Fixed Rope (m)	0
Total Members	7
Summit Members	0
Member Deaths	0
Total Hired	9
Summit Hired	0
Hired Deaths	0
No Hired	False
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	Recon Gaurishankar (GAUR-543-01) and Melungtse
Campsites	BC(11/10,5640m),C1(14/10,6090m),C2(16/10,6480m),C3(23/10,6850m),C4(25/10,7150m),xxx(28/10,7700m)
Route Notes	-
Accidents	-
Achievement	-
Agency	-
Commercial Route	True
Standard Route	True
Primary Route	False
Primary Member	False
Primary Reference	-
Primary ID	-
Checksum	2440643
Year	1954
Summit Success	False
O2 Summary	None
Route (lowercase)	w ridge-w face

Members

Field	Value
ID	22056
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY54302
Member ID	01
Peak ID	CHOY
Year	1954
Season	3
First Name	Raymond
Last Name	Lambert
Sex	M
Age	0
Birth Date	-
Year of Birth	1914
Calculated Age	39
Citizenship	Switzerland
Status	Leader
Residence	Geneva, Switzerland
Occupation	-
Leader	True
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	False
Sherpa	False
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	-
High Point (m)	True
Personal High Point (m)	7700
Summit Date 1	1954-10-28
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	0
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	(1914-1997)
Summit Bid	4
Summit Term	3
HCN	0
Checksum	2418448
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	raymond lambert
Year of Birth	1914
Year	1954
Age at Expedition	40
Role	Leader

Field	Value
ID	26266
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY54302
Member ID	04
Peak ID	CHOY
Year	1954
Season	3
First Name	Claude
Last Name	Kogan
Sex	F
Age	0
Birth Date	-
Year of Birth	1919
Calculated Age	35
Citizenship	France
Status	Climber
Residence	Nice, Alpes-Maritimes, France
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	False
Sherpa	False
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	-
High Point (m)	True
Personal High Point (m)	7700
Summit Date 1	1954-10-28
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	0
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	(1919-1959) Died 2 Oct 1959 on Cho Oyu from avalanche
Summit Bid	4
Summit Term	3
HCN	0
Checksum	-1981
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	claude kogan
Year of Birth	1919
Year	1954
Age at Expedition	35
Role	Member

Field	Value
ID	26267
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY54302
Member ID	03
Peak ID	CHOY
Year	1954
Season	3
First Name	Jean
Last Name	Juge
Sex	M
Age	0
Birth Date	-
Year of Birth	-
Calculated Age	46
Citizenship	France
Status	Climber
Residence	Geneva, Switzerland
Occupation	Doctor of Science
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	False
Sherpa	False
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	-
High Point (m)	False
Personal High Point (m)	7150
Summit Date 1	1954-10-25
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	0
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	3
Summit Term	7
HCN	0
Checksum	-62
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	jean juge
Year of Birth	-
Year	1954
Age at Expedition	-
Role	Member

Field	Value
ID	26268
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY54302
Member ID	02
Peak ID	CHOY
Year	1954
Season	3
First Name	Denis
Last Name	Bertholet
Sex	M
Age	0
Birth Date	-
Year of Birth	1929
Calculated Age	24
Citizenship	Switzerland
Status	Climber/Cameraman
Residence	Verbier, Valais, Switzerland
Occupation	Alpine guide
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	False
Sherpa	False
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	-
High Point (m)	False
Personal High Point (m)	7150
Summit Date 1	1954-10-25
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	0
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	3
Summit Term	7
HCN	0
Checksum	2423938
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	denis bertholet
Year of Birth	1929
Year	1954
Age at Expedition	25
Role	Member

Field	Value
ID	26269
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY54302
Member ID	05
Peak ID	CHOY
Year	1954
Season	3
First Name	Franz
Last Name	Lochmatter
Sex	M
Age	0
Birth Date	-
Year of Birth	-
Calculated Age	0
Citizenship	France
Status	Exp Doctor
Residence	St. Niklaus, France
Occupation	Physician
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	False
Sherpa	False
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	-
High Point (m)	False
Personal High Point (m)	6850
Summit Date 1	1954-10-22
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	0
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	1
Summit Term	12
HCN	0
Checksum	-62
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	franz lochmatter
Year of Birth	-
Year	1954
Age at Expedition	-
Role	Member

Field	Value
ID	26270
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY54302
Member ID	07
Peak ID	CHOY
Year	1954
Season	3
First Name	Albert (Zim)
Last Name	Zimmermann
Sex	M
Age	0
Birth Date	-
Year of Birth	1907
Calculated Age	47
Citizenship	Switzerland
Status	Scientist
Residence	Geneva, Switzerland
Occupation	Botanist & Director of Botanical Gardens of Geneva
Leader	False
Deputy	False
Basecamp Only	True
Not to BC	False
Support	False
Disabled	False
Hired	False
Sherpa	False
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	-
High Point (m)	False
Personal High Point (m)	0
Summit Date 1	-
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	0
Route 2	0
Route 3	0
Ascent 1	0
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	(1907-1982) Died 1 Feb 1982
Summit Bid	1
Summit Term	17
HCN	0
Checksum	-1969
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	albert (zim) zimmermann
Year of Birth	1907
Year	1954
Age at Expedition	47
Role	BC Only

Field	Value
ID	26271
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY54302
Member ID	06
Peak ID	CHOY
Year	1954
Season	3
First Name	Marc
Last Name	Stangelin
Sex	M
Age	0
Birth Date	-
Year of Birth	-
Calculated Age	0
Citizenship	Switzerland
Status	Asst Scientist
Residence	Geneva, Switzerland
Occupation	Student
Leader	False
Deputy	False
Basecamp Only	True
Not to BC	False
Support	False
Disabled	False
Hired	False
Sherpa	False
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	-
High Point (m)	False
Personal High Point (m)	0
Summit Date 1	-
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	0
Route 2	0
Route 3	0
Ascent 1	0
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	1
Summit Term	17
HCN	0
Checksum	-62
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	marc stangelin
Year of Birth	-
Year	1954
Age at Expedition	-
Role	BC Only

Field	Value
ID	26589
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY54302
Member ID	09
Peak ID	CHOY
Year	1954
Season	3
First Name	Dawa Thondup (Da Thondup)
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1907
Calculated Age	47
Citizenship	Nepal
Status	Sirdar
Residence	-
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	True
Sherpa	True
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	-
High Point (m)	False
Personal High Point (m)	6850
Summit Date 1	1954-10-22
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	0
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	HC #49
Necrology	-
Summit Bid	1
Summit Term	9
HCN	49
Checksum	-1969
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	dawa thondup (da thondup) sherpa
Year of Birth	1907
Year	1954
Age at Expedition	47
Role	Hired

Field	Value
ID	51344
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY54302
Member ID	10
Peak ID	CHOY
Year	1954
Season	3
First Name	Wangdi
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1932
Calculated Age	22
Citizenship	Nepal
Status	H-A Worker
Residence	Manali, India
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	True
Sherpa	True
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	False
High Point (m)	False
Personal High Point (m)	7150
Summit Date 1	1954-10-25
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	0
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	Born Namche Bazar
Necrology	(1932-1973) Obit HJ 33:226-227
Summit Bid	3
Summit Term	7
HCN	0
Checksum	-62
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	wangdi sherpa
Year of Birth	1932
Year	1954
Age at Expedition	22
Role	Hired

Field	Value
ID	51345
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY54302
Member ID	08
Peak ID	CHOY
Year	1954
Season	3
First Name	Ang Namgyal
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	-
Calculated Age	0
Citizenship	Nepal
Status	H-A Worker
Residence	-
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	True
Sherpa	True
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	False
High Point (m)	False
Personal High Point (m)	7150
Summit Date 1	1954-10-25
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	0
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	3
Summit Term	7
HCN	0
Checksum	-62
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	ang namgyal sherpa
Year of Birth	-
Year	1954
Age at Expedition	-
Role	Hired

10 recorded members.

Name	Sex	Year of Birth	Citizenship	Status	Residence	Occupation
Raymond Lambert	M	1914	Switzerland	Leader	Geneva, Switzerland	-	Details Other expeditions
Claude Kogan	F	1919	France	Climber	Nice, Alpes-Maritimes, France	-	Details Other expeditions
Jean Juge	M	-	France	Climber	Geneva, Switzerland	Doctor of Science	Details Other expeditions
Denis Bertholet	M	1929	Switzerland	Climber/Cameraman	Verbier, Valais, Switzerland	Alpine guide	Details Other expeditions
Franz Lochmatter	M	-	France	Exp Doctor	St. Niklaus, France	Physician	Details Other expeditions
Albert (Zim) Zimmermann	M	1907	Switzerland	Scientist	Geneva, Switzerland	Botanist & Director of Botanical Gardens of Geneva	Details Other expeditions
Marc Stangelin	M	-	Switzerland	Asst Scientist	Geneva, Switzerland	Student	Details Other expeditions
Dawa Thondup (Da Thondup) Sherpa	M	1907	Nepal	Sirdar	-	-	Details Other expeditions
Wangdi Sherpa	M	1932	Nepal	H-A Worker	Manali, India	-	Details Other expeditions
Ang Namgyal Sherpa	M	-	Nepal	H-A Worker	-	-	Details Other expeditions

References

Field	Value
ID	915
Imported	2026-03-06 18:06:36.307770
Expedition ID	CHOY54302
Reference ID	01
Year	1954
Type	1
Journal	-
Author	Lambert, Raymond & Kogan, Claude
Title	White Fury
Publisher	Hurst & Blackett, London
Publication Date	1956
Language	-
Citation	-
Yak 94	L50
Notes	English edition of "Record a' l'Himalaya", Paris, 1955

Field	Value
ID	916
Imported	2026-03-06 18:06:36.307770
Expedition ID	CHOY54302
Reference ID	02
Year	1954
Type	2
Journal	AAJ
Author	Lambert, Raymond
Title	Expedition au Gaurisankar et Mission Scientifique au Nepal
Publisher	-
Publication Date	1955
Language	-
Citation	29:113-116 (1955)
Yak 94	-
Notes	-

Field	Value
ID	1222
Imported	2026-03-06 18:06:36.307770
Expedition ID	CHOY54302
Reference ID	03
Year	1954
Type	2
Journal	MW
Author	Kurz, Marcel
Title	The Himalayan Chronicle 1954
Publisher	-
Publication Date	1955
Language	-
Citation	119-122 (1955)
Yak 94	-
Notes	-

Field	Value
ID	3788
Imported	2026-03-06 18:06:36.307770
Expedition ID	CHOY54302
Reference ID	04
Year	1954
Type	3
Journal	MM
Author	Dyhrenfurth, G. O. & Dyhrenfurth, Norman
Title	Cho Oyu
Publisher	-
Publication Date	1978
Language	-
Citation	60:40-42 (Mar 1978)
Yak 94	-
Notes	-

Field	Value
ID	7153
Imported	2026-03-06 18:06:36.307770
Expedition ID	CHOY54302
Reference ID	05
Year	1954
Type	1
Journal	-
Author	Lambert, Raymond & Kogan, Claude
Title	Record a L'Himalaya
Publisher	France-Empire, Paris
Publication Date	1955
Language	French
Citation	-
Yak 94	L50
Notes	-

Field	Value
ID	13353
Imported	2026-03-06 18:06:36.307770
Expedition ID	CHOY54302
Reference ID	06
Year	1954
Type	5
Journal	-
Author	-
Title	http://publications.americanalpineclub.org/articles/12195511300/Expdition-au-Gaurisankar-et-Mission-Scientifique-au-Nepal
Publisher	-
Publication Date	-
Language	-
Citation	-
Yak 94	-
Notes	-

6 recorded references.

Expedition ID	Journal	Author	Title	Publisher	Citation	Yak 94
CHOY54302	-	Lambert, Raymond & Kogan, Claude	White Fury	Hurst & Blackett, London	-	L50
CHOY54302	AAJ	Lambert, Raymond	Expedition au Gaurisankar et Mission Scientifique au Nepal	-	29:113-116 (1955)	-
CHOY54302	MW	Kurz, Marcel	The Himalayan Chronicle 1954	-	119-122 (1955)	-
CHOY54302	MM	Dyhrenfurth, G. O. & Dyhrenfurth, Norman	Cho Oyu	-	60:40-42 (Mar 1978)	-
CHOY54302	-	Lambert, Raymond & Kogan, Claude	Record a L'Himalaya	France-Empire, Paris	-	L50
CHOY54302	-	-	http://publications.americanalpineclub.org/articles/12195511300/Expdition-au-Gaurisankar-et-Mission-Scientifique-au-Nepal	-	-	-