Cho Oyu | 1992 W Ridge-W Face from N

A Japan expedition to Cho Oyu in 1992 via W Ridge-W Face from N, led by Hideki Yatsuhashi. Summit reached on 20th September 1992. 19 members recorded.

Expedition Details

Field	Value
ID	1146
Imported	2026-03-06 18:04:49.359634
Expedition ID	CHOY92302
Peak ID	CHOY
Year	1992
Season	3
Host Country	2
Route 1	W Ridge-W Face from N
Route 2	-
Route 3	-
Route 4	-
Nationality	Japan
Leaders	Hideki Yatsuhashi
Sponsor	Kathmandu Club Cho Oyu-Xixabangma Expedition
Success 1	True
Success 2	False
Success 3	False
Success 4	False
Ascent 1	108,111
Ascent 2	-
Ascent 3	-
Ascent 4	-
Claimed	False
Disputed	False
Countries	N Korea
Approach	-
Basecamp Date	1992-08-27
Summit Date	1992-09-20
Summit Time	0930
Summit Days	24
Total Days	30
Termination Date	1992-09-26
Termination Reason	1
Termination Notes	-
High Point (m)	8188
Traverse	False
Ski	False
Paraglide	False
Camps	3
Fixed Rope (m)	1200
Total Members	15
Summit Members	12
Member Deaths	0
Total Hired	6
Summit Hired	4
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	Attempted Xixabangma (after Cho Oyu)
Campsites	BC(27/08,5700m),C1(29/08,6450m),C2(7050m),C3(7500m),Smt(20-21/09)
Route Notes	Summit reached - 20th Sept 9:30 am (NST) - Taniguchi, Hayashimoto 20th Sept 9:45 am (NST) - Tsukamato 20th Sept 10:45 am (NST) - Kondou, Baba, Nima Sherpa & Mingma Tenzing Sherpa 20th Sept 11:00 am (NST) - Takao 20th Sept 12:00 (NST) - An Yong-Jong 21st Sept 8:00 am - Yatsuhashi, K Kamazawa, Miss Sato, Ang Phurba and Dawa Noru 21st Sept 9:00 am - Yanagihara 21st Sept 10:45 am - Kimoto (from C2)
Accidents	Kondo hit by snow avalanche but only bruised.
Achievement	-
Agency	Cosmo Treks
Commercial Route	True
Standard Route	True
Primary Route	False
Primary Member	False
Primary Reference	-
Primary ID	-
Checksum	2454568
Year	1992
Summit Success	True
O2 Summary	Used
Route (lowercase)	w ridge-w face from n

Members

Field	Value
ID	4962
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY92302
Member ID	03
Peak ID	CHOY
Year	1992
Season	3
First Name	Yong-Jong
Last Name	An
Sex	M
Age	0
Birth Date	-
Year of Birth	1949
Calculated Age	42
Citizenship	N Korea
Status	Climber
Residence	Sendai, Miyagi, Japan
Occupation	Businessman
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)	8188
Summit Date 1	1992-09-20
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1200
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	108
Ascent 2	0
Ascent 3	0
O2 Used	True
O2 None	False
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	2431234
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	yong-jong an
Year of Birth	1949
Year	1992
Age at Expedition	43
Role	Member

Field	Value
ID	4963
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY92302
Member ID	04
Peak ID	CHOY
Year	1992
Season	3
First Name	Hiroyuki
Last Name	Baba
Sex	M
Age	0
Birth Date	-
Year of Birth	1948
Calculated Age	44
Citizenship	Japan
Status	Climber
Residence	Kikuchi-gun, Kumamoto, Japan
Occupation	-
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)	8188
Summit Date 1	1992-09-20
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1045
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	108
Ascent 2	0
Ascent 3	0
O2 Used	True
O2 None	False
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	2430697
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	hiroyuki baba
Year of Birth	1948
Year	1992
Age at Expedition	44
Role	Member

Field	Value
ID	4964
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY92302
Member ID	05
Peak ID	CHOY
Year	1992
Season	3
First Name	Akira
Last Name	Hayashimoto
Sex	M
Age	0
Birth Date	-
Year of Birth	1964
Calculated Age	28
Citizenship	Japan
Status	Climber
Residence	Eurolsi-shi, Japan
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	True
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	-
High Point (m)	True
Personal High Point (m)	8188
Summit Date 1	1992-09-20
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0930
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	108
Ascent 2	0
Ascent 3	0
O2 Used	True
O2 None	False
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	2436522
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	akira hayashimoto
Year of Birth	1964
Year	1992
Age at Expedition	28
Role	Member

Field	Value
ID	4965
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY92302
Member ID	06
Peak ID	CHOY
Year	1992
Season	3
First Name	Akiko
Last Name	Kanazawa
Sex	F
Age	0
Birth Date	-
Year of Birth	1945
Calculated Age	46
Citizenship	Japan
Status	BC Manager
Residence	Takamatsu, Kagawa, Japan
Occupation	Housewife
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	2429776
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	akiko kanazawa
Year of Birth	1945
Year	1992
Age at Expedition	47
Role	BC Only

Field	Value
ID	4966
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY92302
Member ID	07
Peak ID	CHOY
Year	1992
Season	3
First Name	Ken
Last Name	Kanazawa
Sex	M
Age	0
Birth Date	-
Year of Birth	1945
Calculated Age	46
Citizenship	Japan
Status	Climber
Residence	Takamatsu, Kagawa, Japan
Occupation	Dentist
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)	8188
Summit Date 1	1992-09-21
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0800
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	111
Ascent 2	0
Ascent 3	0
O2 Used	True
O2 None	False
O2 Climb	False
O2 Descent	False
O2 Sleep	True
O2 Medical	False
O2 Notes	In C3 only
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	2429766
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	ken kanazawa
Year of Birth	1945
Year	1992
Age at Expedition	47
Role	Member

Field	Value
ID	4967
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY92302
Member ID	08
Peak ID	CHOY
Year	1992
Season	3
First Name	Satoshi
Last Name	Kimoto
Sex	M
Age	0
Birth Date	-
Year of Birth	1956
Calculated Age	36
Citizenship	Japan
Status	Climber
Residence	Tokyo, Japan
Occupation	-
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)	8188
Summit Date 1	1992-09-20
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1045
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	111
Ascent 2	0
Ascent 3	0
O2 Used	True
O2 None	False
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	2433528
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	satoshi kimoto
Year of Birth	1956
Year	1992
Age at Expedition	36
Role	Member

Field	Value
ID	4968
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY92302
Member ID	11
Peak ID	CHOY
Year	1992
Season	3
First Name	Tamotsu
Last Name	Ohnishi
Sex	M
Age	0
Birth Date	-
Year of Birth	1942
Calculated Age	50
Citizenship	Japan
Status	Climber
Residence	Osaka Sayama, Osaka, Japan
Occupation	Director of printing press
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)	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	False
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	(1942-2014) Died 20 Sept 2014 from cancer
Summit Bid	0
Summit Term	0
HCN	0
Checksum	2428476
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	tamotsu ohnishi
Year of Birth	1942
Year	1992
Age at Expedition	50
Role	Member

Field	Value
ID	4969
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY92302
Member ID	02
Peak ID	CHOY
Year	1992
Season	3
First Name	Takao
Last Name	Suzuki
Sex	M
Age	0
Birth Date	-
Year of Birth	1938
Calculated Age	54
Citizenship	Japan
Status	Deputy Leader
Residence	Aichi, Japan
Occupation	Teacher
Leader	False
Deputy	True
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)	8188
Summit Date 1	1992-09-20
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1100
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	108
Ascent 2	0
Ascent 3	0
O2 Used	True
O2 None	False
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	2427053
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	takao suzuki
Year of Birth	1938
Year	1992
Age at Expedition	54
Role	Deputy

Field	Value
ID	4970
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY92302
Member ID	13
Peak ID	CHOY
Year	1992
Season	3
First Name	Mamoru
Last Name	Taniguchi
Sex	M
Age	0
Birth Date	-
Year of Birth	1948
Calculated Age	43
Citizenship	Japan
Status	Climber
Residence	Toyama-shi, Toyama, Japan
Occupation	Officer
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)	8188
Summit Date 1	1992-09-20
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0930
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	108
Ascent 2	0
Ascent 3	0
O2 Used	True
O2 None	False
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	2430902
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	mamoru taniguchi
Year of Birth	1948
Year	1992
Age at Expedition	44
Role	Member

Field	Value
ID	4971
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY92302
Member ID	12
Peak ID	CHOY
Year	1992
Season	3
First Name	Yuki
Last Name	Sato
Sex	F
Age	0
Birth Date	-
Year of Birth	1960
Calculated Age	32
Citizenship	Japan
Status	Climber
Residence	Kitakata, Fukushima, Japan
Occupation	Company employee
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)	8188
Summit Date 1	1992-09-21
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0800
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	111
Ascent 2	0
Ascent 3	0
O2 Used	True
O2 None	False
O2 Climb	False
O2 Descent	False
O2 Sleep	True
O2 Medical	False
O2 Notes	C3 only not for climbing
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	Married name is Yuki Ikegami
Necrology	-
Summit Bid	5
Summit Term	1
HCN	0
Checksum	2435188
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	yuki sato
Year of Birth	1960
Year	1992
Age at Expedition	32
Role	Member

Field	Value
ID	4972
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY92302
Member ID	10
Peak ID	CHOY
Year	1992
Season	3
First Name	Yoko
Last Name	Mihara
Sex	F
Age	0
Birth Date	-
Year of Birth	1941
Calculated Age	51
Citizenship	Japan
Status	Climber
Residence	Morioka, Iwate, Japan
Occupation	Clerk
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)	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	False
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	0
Summit Term	0
HCN	0
Checksum	2428179
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	yoko mihara
Year of Birth	1941
Year	1992
Age at Expedition	51
Role	Member

Field	Value
ID	4973
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY92302
Member ID	01
Peak ID	CHOY
Year	1992
Season	3
First Name	Hideki
Last Name	Yatsuhashi
Sex	M
Age	0
Birth Date	-
Year of Birth	1952
Calculated Age	39
Citizenship	Japan
Status	Leader
Residence	Ikenotaira, Niigata, Japan
Occupation	-
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)	8188
Summit Date 1	1992-09-21
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0800
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	111
Ascent 2	0
Ascent 3	0
O2 Used	True
O2 None	False
O2 Climb	False
O2 Descent	False
O2 Sleep	True
O2 Medical	False
O2 Notes	In C3 only
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	2432345
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	hideki yatsuhashi
Year of Birth	1952
Year	1992
Age at Expedition	40
Role	Leader

Field	Value
ID	4974
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY92302
Member ID	19
Peak ID	CHOY
Year	1992
Season	3
First Name	Nima (Ang Nima)
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	-
Calculated Age	33
Citizenship	Nepal
Status	H-A Worker
Residence	Chhulemu, Taksindu, Solukhumbu
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	True
Sherpa	True
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)	8188
Summit Date 1	1992-09-20
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1045
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	108
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	1st 8000er
Necrology	-
Summit Bid	5
Summit Term	1
HCN	0
Checksum	-46
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	nima (ang nima) sherpa
Year of Birth	-
Year	1992
Age at Expedition	-
Role	Hired

Field	Value
ID	4975
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY92302
Member ID	18
Peak ID	CHOY
Year	1992
Season	3
First Name	Mingma Tenzing
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	-
Calculated Age	41
Citizenship	Nepal
Status	H-A Worker
Residence	Thami, Khumbu
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	True
Sherpa	True
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)	8188
Summit Date 1	1992-09-20
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1045
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	108
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	3rd ascent of Cho Oyu
Necrology	-
Summit Bid	5
Summit Term	1
HCN	0
Checksum	-46
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	mingma tenzing sherpa
Year of Birth	-
Year	1992
Age at Expedition	-
Role	Hired

Field	Value
ID	4976
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY92302
Member ID	16
Peak ID	CHOY
Year	1992
Season	3
First Name	Ang Phurba
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1961
Calculated Age	31
Citizenship	Nepal
Status	H-A Worker
Residence	Thami, Khumbu
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	True
Sherpa	True
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)	8188
Summit Date 1	1992-09-21
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0800
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	111
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	2nd ascent of Cho Oyu
Necrology	-
Summit Bid	5
Summit Term	1
HCN	0
Checksum	-2007
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	ang phurba sherpa
Year of Birth	1961
Year	1992
Age at Expedition	31
Role	Hired

Field	Value
ID	4977
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY92302
Member ID	17
Peak ID	CHOY
Year	1992
Season	3
First Name	Dawa Nuru/Norbu
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1963
Calculated Age	28
Citizenship	Nepal
Status	H-A Worker
Residence	Thami, Khumbu
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	True
Sherpa	True
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)	8188
Summit Date 1	1992-09-21
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0800
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	111
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	1st 8000er
Necrology	-
Summit Bid	5
Summit Term	1
HCN	0
Checksum	2436289
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	dawa nuru/norbu sherpa
Year of Birth	1963
Year	1992
Age at Expedition	29
Role	Hired

Field	Value
ID	24346
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY92302
Member ID	14
Peak ID	CHOY
Year	1992
Season	3
First Name	Shigeto
Last Name	Tsukamoto
Sex	M
Age	0
Birth Date	-
Year of Birth	1958
Calculated Age	34
Citizenship	Japan
Status	Climber
Residence	-
Occupation	-
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)	8188
Summit Date 1	1992-09-20
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0945
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	108
Ascent 2	0
Ascent 3	0
O2 Used	True
O2 None	False
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	2434220
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	shigeto tsukamoto
Year of Birth	1958
Year	1992
Age at Expedition	34
Role	Member

Field	Value
ID	24347
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY92302
Member ID	09
Peak ID	CHOY
Year	1992
Season	3
First Name	Kazuyoshi
Last Name	Kondo
Sex	M
Age	0
Birth Date	-
Year of Birth	1941
Calculated Age	50
Citizenship	Japan
Status	Climber
Residence	Tokyo, Japan
Occupation	Alpine instructor
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)	8188
Summit Date 1	1992-09-20
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1045
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	108
Ascent 2	0
Ascent 3	0
O2 Used	True
O2 None	False
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	2428334
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	kazuyoshi kondo
Year of Birth	1941
Year	1992
Age at Expedition	51
Role	Member

Field	Value
ID	24348
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY92302
Member ID	15
Peak ID	CHOY
Year	1992
Season	3
First Name	Takehiko
Last Name	Yanagihara
Sex	M
Age	0
Birth Date	-
Year of Birth	1960
Calculated Age	31
Citizenship	Japan
Status	Climber
Residence	Tokyo, Japan
Occupation	Construction worker
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)	8188
Summit Date 1	1992-09-21
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0900
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	111
Ascent 2	0
Ascent 3	0
O2 Used	True
O2 None	False
O2 Climb	False
O2 Descent	False
O2 Sleep	True
O2 Medical	False
O2 Notes	In C3 only
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	2435263
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	takehiko yanagihara
Year of Birth	1960
Year	1992
Age at Expedition	32
Role	Member

19 recorded members.

Name	Sex	Year of Birth	Citizenship	Status	Residence	Occupation
Yong-Jong An	M	1949	N Korea	Climber	Sendai, Miyagi, Japan	Businessman	Details Other expeditions
Hiroyuki Baba	M	1948	Japan	Climber	Kikuchi-gun, Kumamoto, Japan	-	Details Other expeditions
Akira Hayashimoto	M	1964	Japan	Climber	Eurolsi-shi, Japan	Physician	Details Other expeditions
Akiko Kanazawa	F	1945	Japan	BC Manager	Takamatsu, Kagawa, Japan	Housewife	Details Other expeditions
Ken Kanazawa	M	1945	Japan	Climber	Takamatsu, Kagawa, Japan	Dentist	Details Other expeditions
Satoshi Kimoto	M	1956	Japan	Climber	Tokyo, Japan	-	Details Other expeditions
Tamotsu Ohnishi	M	1942	Japan	Climber	Osaka Sayama, Osaka, Japan	Director of printing press	Details Other expeditions
Takao Suzuki	M	1938	Japan	Deputy Leader	Aichi, Japan	Teacher	Details Other expeditions
Mamoru Taniguchi	M	1948	Japan	Climber	Toyama-shi, Toyama, Japan	Officer	Details Other expeditions
Yuki Sato	F	1960	Japan	Climber	Kitakata, Fukushima, Japan	Company employee	Details Other expeditions
Yoko Mihara	F	1941	Japan	Climber	Morioka, Iwate, Japan	Clerk	Details Other expeditions
Hideki Yatsuhashi	M	1952	Japan	Leader	Ikenotaira, Niigata, Japan	-	Details Other expeditions
Nima (Ang Nima) Sherpa	M	-	Nepal	H-A Worker	Chhulemu, Taksindu, Solukhumbu	-	Details Other expeditions
Mingma Tenzing Sherpa	M	-	Nepal	H-A Worker	Thami, Khumbu	-	Details Other expeditions
Ang Phurba Sherpa	M	1961	Nepal	H-A Worker	Thami, Khumbu	-	Details Other expeditions
Dawa Nuru/Norbu Sherpa	M	1963	Nepal	H-A Worker	Thami, Khumbu	-	Details Other expeditions
Shigeto Tsukamoto	M	1958	Japan	Climber	-	-	Details Other expeditions
Kazuyoshi Kondo	M	1941	Japan	Climber	Tokyo, Japan	Alpine instructor	Details Other expeditions
Takehiko Yanagihara	M	1960	Japan	Climber	Tokyo, Japan	Construction worker	Details Other expeditions

References

Field	Value
ID	2690
Imported	2026-03-06 18:06:36.307770
Expedition ID	CHOY92302
Reference ID	01
Year	1992
Type	2
Journal	AAJ
Author	Hawley, Elizabeth
Title	-
Publisher	-
Publication Date	1993
Language	-
Citation	67:289 (1993)
Yak 94	-
Notes	-

Field	Value
ID	6754
Imported	2026-03-06 18:06:36.307770
Expedition ID	CHOY92302
Reference ID	02
Year	1992
Type	3
Journal	IWA
Author	-
Title	-
Publisher	-
Publication Date	1993
Language	Japanese w/English summary
Citation	:215 (1993)
Yak 94	-
Notes	-

Field	Value
ID	6813
Imported	2026-03-06 18:06:36.307770
Expedition ID	CHOY92302
Reference ID	03
Year	1992
Type	3
Journal	IWA
Author	-
Title	-
Publisher	-
Publication Date	1993
Language	Japanese
Citation	:42 (1993)
Yak 94	-
Notes	-

Field	Value
ID	11841
Imported	2026-03-06 18:06:36.307770
Expedition ID	CHOY92302
Reference ID	04
Year	1992
Type	5
Journal	-
Author	-
Title	http://publications.americanalpineclub.org/articles/12199328901/Asia-Tibet-Cho-Oyu-Post-Monsoon-Ascents-and-Attempt-from-the-North
Publisher	-
Publication Date	-
Language	-
Citation	-
Yak 94	-
Notes	-

4 recorded references.

Expedition ID	Journal	Author	Title	Publisher	Citation	Yak 94
CHOY92302	AAJ	Hawley, Elizabeth	-	-	67:289 (1993)	-
CHOY92302	IWA	-	-	-	:215 (1993)	-
CHOY92302	IWA	-	-	-	:42 (1993)	-
CHOY92302	-	-	http://publications.americanalpineclub.org/articles/12199328901/Asia-Tibet-Cho-Oyu-Post-Monsoon-Ascents-and-Attempt-from-the-North	-	-	-