Cho Oyu | 1993 W Ridge-W Face from N

A Japan expedition to Cho Oyu in 1993 via W Ridge-W Face from N, led by Kuniaki Yagihara. Summit reached on 8th October 1993. 19 members recorded.

Expedition Details

Field	Value
ID	1243
Imported	2026-03-06 18:04:49.359634
Expedition ID	CHOY93310
Peak ID	CHOY
Year	1993
Season	3
Host Country	2
Route 1	W Ridge-W Face from N
Route 2	-
Route 3	-
Route 4	-
Nationality	Japan
Leaders	Kuniaki Yagihara
Sponsor	Japan Gunma Sagarmantha SW Face Expedition 1993-4
Success 1	True
Success 2	False
Success 3	False
Success 4	False
Ascent 1	133,136,137
Ascent 2	-
Ascent 3	-
Ascent 4	-
Claimed	False
Disputed	False
Countries	-
Approach	-
Basecamp Date	1993-09-15
Summit Date	1993-10-08
Summit Time	0956
Summit Days	23
Total Days	30
Termination Date	1993-10-15
Termination Reason	1
Termination Notes	-
High Point (m)	8188
Traverse	False
Ski	False
Paraglide	False
Camps	3
Fixed Rope (m)	0
Total Members	13
Summit Members	12
Member Deaths	0
Total Hired	9
Summit Hired	6
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(15/09,4900m),ABC(17/09,5650m),C1(25/09,6400m),C2(27/09,7000m),C3(04/10,7600m),Smt(08,11-12/10)
Route Notes	1st attack 8th Oct and 6 members on top. Next on 11th with 2 members and 2 Sherpas. Lobsang Jangbu went directly from C2 to top meeting other men just below summit. 12th Oct 3rd party, all from C3 except 2 Sherpas who went up from C2, Mingma Norbu and Nima Dorje. All Japanese climbers and 6 Sherpas to summit. Used oxygen because wanted to test equipment for Everest winter climb and also wanted to prevent frostbite and exhaustion before Everest climb. This Cho Oyu climb was preperation for Everest SW face attempt this winter.
Accidents	None
Achievement	-
Agency	Cosmo Treks
Commercial Route	True
Standard Route	True
Primary Route	False
Primary Member	False
Primary Reference	-
Primary ID	-
Checksum	2454997
Year	1993
Summit Success	True
O2 Summary	Used
Route (lowercase)	w ridge-w face from n

Members

Field	Value
ID	5152
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY93310
Member ID	03
Peak ID	CHOY
Year	1993
Season	3
First Name	Tsuyoshi
Last Name	Akiyama
Sex	M
Age	0
Birth Date	-
Year of Birth	1970
Calculated Age	23
Citizenship	Japan
Status	Climber
Residence	Tsukiyono, Tone, Gunma, 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	1993-10-08
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0956
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	133
Ascent 2	0
Ascent 3	0
O2 Used	True
O2 None	False
O2 Climb	True
O2 Descent	False
O2 Sleep	True
O2 Medical	False
O2 Notes	In & above C3
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	2438811
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	tsuyoshi akiyama
Year of Birth	1970
Year	1993
Age at Expedition	23
Role	Member

Field	Value
ID	5153
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY93310
Member ID	04
Peak ID	CHOY
Year	1993
Season	3
First Name	Shinsuki
Last Name	Ezuka
Sex	M
Age	0
Birth Date	-
Year of Birth	1961
Calculated Age	32
Citizenship	Japan
Status	Climber
Residence	Isesaki, Gunma, Japan
Occupation	Electronics researcher
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	1993-10-11
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0950
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	136
Ascent 2	0
Ascent 3	0
O2 Used	True
O2 None	False
O2 Climb	True
O2 Descent	False
O2 Sleep	True
O2 Medical	False
O2 Notes	In & above C3
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	2435366
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	shinsuki ezuka
Year of Birth	1961
Year	1993
Age at Expedition	32
Role	Member

Field	Value
ID	5154
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY93310
Member ID	05
Peak ID	CHOY
Year	1993
Season	3
First Name	Fumiaki
Last Name	Goto
Sex	M
Age	0
Birth Date	-
Year of Birth	1965
Calculated Age	28
Citizenship	Japan
Status	Climber
Residence	Moriya, Ibaraki, Japan
Occupation	Electronics engineer
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	1993-10-08
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0956
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	133
Ascent 2	0
Ascent 3	0
O2 Used	True
O2 None	False
O2 Climb	True
O2 Descent	False
O2 Sleep	True
O2 Medical	False
O2 Notes	In & above C3
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	2436860
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	fumiaki goto
Year of Birth	1965
Year	1993
Age at Expedition	28
Role	Member

Field	Value
ID	5155
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY93310
Member ID	06
Peak ID	CHOY
Year	1993
Season	3
First Name	Ryushi
Last Name	Hoshino
Sex	M
Age	0
Birth Date	-
Year of Birth	1967
Calculated Age	25
Citizenship	Japan
Status	Climber
Residence	Kurohone, Seta-gun, Gunma, Japan
Occupation	Gardener
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	1993-10-08
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0956
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	133
Ascent 2	0
Ascent 3	0
O2 Used	True
O2 None	False
O2 Climb	True
O2 Descent	False
O2 Sleep	True
O2 Medical	False
O2 Notes	In & above C3
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	(1967-2001) Died 14 Oct 2001 on Dhaulagiri I from presumed fall
Summit Bid	5
Summit Term	1
HCN	0
Checksum	2437789
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	ryushi hoshino
Year of Birth	1967
Year	1993
Age at Expedition	26
Role	Member

Field	Value
ID	5156
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY93310
Member ID	09
Peak ID	CHOY
Year	1993
Season	3
First Name	Hideji
Last Name	Nazuka
Sex	M
Age	0
Birth Date	-
Year of Birth	1954
Calculated Age	38
Citizenship	Japan
Status	Climber
Residence	Maebashi, Gunma, Japan
Occupation	Gardener
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	1993-10-08
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0956
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	133
Ascent 2	0
Ascent 3	0
O2 Used	True
O2 None	False
O2 Climb	True
O2 Descent	False
O2 Sleep	True
O2 Medical	False
O2 Notes	In & above C3
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	(1954-2004) Died 10 Oct 2004 on Annapurna I from avalanche
Summit Bid	5
Summit Term	1
HCN	0
Checksum	2433046
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	hideji nazuka
Year of Birth	1954
Year	1993
Age at Expedition	39
Role	Member

Field	Value
ID	5157
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY93310
Member ID	02
Peak ID	CHOY
Year	1993
Season	3
First Name	Yoshio
Last Name	Ogata
Sex	M
Age	0
Birth Date	-
Year of Birth	1948
Calculated Age	45
Citizenship	Japan
Status	Deputy Leader
Residence	Magashimurayama, Tokyo, Japan
Occupation	Director of mountaineering association & editor of magazine
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	1993-10-08
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0956
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	133
Ascent 2	0
Ascent 3	0
O2 Used	True
O2 None	False
O2 Climb	True
O2 Descent	False
O2 Sleep	True
O2 Medical	False
O2 Notes	In & above C3
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	2430721
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	yoshio ogata
Year of Birth	1948
Year	1993
Age at Expedition	45
Role	Deputy

Field	Value
ID	5158
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY93310
Member ID	10
Peak ID	CHOY
Year	1993
Season	3
First Name	Mitsuyoshi
Last Name	Sato
Sex	M
Age	0
Birth Date	-
Year of Birth	1961
Calculated Age	32
Citizenship	Japan
Status	Climber
Residence	Maebashi, Gunma, Japan
Occupation	Telephone engineer
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	1993-10-08
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0956
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	133
Ascent 2	0
Ascent 3	0
O2 Used	True
O2 None	False
O2 Climb	True
O2 Descent	False
O2 Sleep	True
O2 Medical	False
O2 Notes	In & above C3
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	2435379
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	mitsuyoshi sato
Year of Birth	1961
Year	1993
Age at Expedition	32
Role	Member

Field	Value
ID	5159
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY93310
Member ID	11
Peak ID	CHOY
Year	1993
Season	3
First Name	Senya
Last Name	Sumiyoshi
Sex	M
Age	0
Birth Date	-
Year of Birth	1926
Calculated Age	66
Citizenship	Japan
Status	Exp Doctor
Residence	Nishinomiya, Hyogo, Japan
Occupation	Physician (surgeon)
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	2422854
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	senya sumiyoshi
Year of Birth	1926
Year	1993
Age at Expedition	67
Role	BC Only

Field	Value
ID	5160
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY93310
Member ID	12
Peak ID	CHOY
Year	1993
Season	3
First Name	Osamu
Last Name	Tanabe
Sex	M
Age	0
Birth Date	-
Year of Birth	1961
Calculated Age	32
Citizenship	Japan
Status	Climber
Residence	Nagoya, Aichi, Japan
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	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	1993-10-11
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0950
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	136
Ascent 2	0
Ascent 3	0
O2 Used	True
O2 None	False
O2 Climb	True
O2 Descent	False
O2 Sleep	True
O2 Medical	False
O2 Notes	In & above C3
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	2435277
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	osamu tanabe
Year of Birth	1961
Year	1993
Age at Expedition	32
Role	Member

Field	Value
ID	5161
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY93310
Member ID	13
Peak ID	CHOY
Year	1993
Season	3
First Name	Tsutomu
Last Name	Terada
Sex	M
Age	0
Birth Date	-
Year of Birth	1968
Calculated Age	25
Citizenship	Japan
Status	Climber
Residence	Ota, Gunma, Japan
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)	8188
Summit Date 1	1993-10-12
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1030
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	137
Ascent 2	0
Ascent 3	0
O2 Used	True
O2 None	False
O2 Climb	True
O2 Descent	False
O2 Sleep	True
O2 Medical	False
O2 Notes	In & above C3
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	2437880
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	tsutomu terada
Year of Birth	1968
Year	1993
Age at Expedition	25
Role	Member

Field	Value
ID	5162
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY93310
Member ID	01
Peak ID	CHOY
Year	1993
Season	3
First Name	Kuniaki
Last Name	Yagihara
Sex	M
Age	0
Birth Date	-
Year of Birth	1946
Calculated Age	46
Citizenship	Japan
Status	Leader
Residence	Maebashi, Gunma, Japan
Occupation	Writer (mountaineering)
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	1993-10-12
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1030
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	137
Ascent 2	0
Ascent 3	0
O2 Used	True
O2 None	False
O2 Climb	True
O2 Descent	False
O2 Sleep	True
O2 Medical	False
O2 Notes	In & above C3
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	2430140
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	kuniaki yagihara
Year of Birth	1946
Year	1993
Age at Expedition	47
Role	Leader

Field	Value
ID	5163
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY93310
Member ID	08
Peak ID	CHOY
Year	1993
Season	3
First Name	Tsutomu
Last Name	Miyazaki
Sex	M
Age	0
Birth Date	-
Year of Birth	1947
Calculated Age	45
Citizenship	Japan
Status	Climber
Residence	Katashina, Gunma, Japan
Occupation	Manager
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	1993-10-12
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1030
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	137
Ascent 2	0
Ascent 3	0
O2 Used	True
O2 None	False
O2 Climb	True
O2 Descent	False
O2 Sleep	True
O2 Medical	False
O2 Notes	In & above C3
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	2430488
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	tsutomu miyazaki
Year of Birth	1947
Year	1993
Age at Expedition	46
Role	Member

Field	Value
ID	5164
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY93310
Member ID	07
Peak ID	CHOY
Year	1993
Season	3
First Name	Fumie
Last Name	Kimura Yoshida
Sex	F
Age	0
Birth Date	-
Year of Birth	1955
Calculated Age	38
Citizenship	Japan
Status	Climber
Residence	Miyamoto, Kiryu, Gunma, Japan
Occupation	Sports shop staff member
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	1993-10-12
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1030
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	137
Ascent 2	0
Ascent 3	0
O2 Used	True
O2 None	False
O2 Climb	True
O2 Descent	False
O2 Sleep	True
O2 Medical	False
O2 Notes	In & above C3
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	Maiden name was Fumie Kimura (4 expeditions)
Necrology	-
Summit Bid	5
Summit Term	1
HCN	0
Checksum	2433372
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	fumie kimura yoshida
Year of Birth	1955
Year	1993
Age at Expedition	38
Role	Member

Field	Value
ID	24415
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY93310
Member ID	19
Peak ID	CHOY
Year	1993
Season	3
First Name	Pasang Tshering/Tshiring
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1963
Calculated Age	30
Citizenship	Nepal
Status	H-A Worker
Residence	Beding, Dolakha
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	1993-10-11
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0950
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	136
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	Only in C3
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	2436101
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	pasang tshering/tshiring sherpa
Year of Birth	1963
Year	1993
Age at Expedition	30
Role	Hired

Field	Value
ID	24416
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY93310
Member ID	15
Peak ID	CHOY
Year	1993
Season	3
First Name	Lobsang Jangbu
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1971
Calculated Age	22
Citizenship	Nepal
Status	H-A Worker
Residence	Beding, Dolakha
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	1993-10-11
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0950
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	136
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	Only in C3
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	(1971-1996) Died 21 Sep 1996 on Everest from avalanche
Summit Bid	5
Summit Term	1
HCN	0
Checksum	2439040
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	lobsang jangbu sherpa
Year of Birth	1971
Year	1993
Age at Expedition	22
Role	Hired

Field	Value
ID	24417
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY93310
Member ID	17
Peak ID	CHOY
Year	1993
Season	3
First Name	Nawang Syakaya/Syatty
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	-
Calculated Age	48
Citizenship	Nepal
Status	H-A Worker
Residence	Beding, Dolakha
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	1993-10-12
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1030
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	137
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	Only in C3
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	-66
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	nawang syakaya/syatty sherpa
Year of Birth	-
Year	1993
Age at Expedition	-
Role	Hired

Field	Value
ID	24418
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY93310
Member ID	14
Peak ID	CHOY
Year	1993
Season	3
First Name	Dawa Tshering (Dawa Chhiri)
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1971
Calculated Age	22
Citizenship	Nepal
Status	H-A Worker
Residence	Beding, Dolakha
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	1993-10-12
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1030
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	137
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	Only in C3
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	2439130
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	dawa tshering (dawa chhiri) sherpa
Year of Birth	1971
Year	1993
Age at Expedition	22
Role	Hired

Field	Value
ID	24419
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY93310
Member ID	18
Peak ID	CHOY
Year	1993
Season	3
First Name	Nima Dorje (Dorje)
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1955
Calculated Age	38
Citizenship	Nepal
Status	H-A Worker
Residence	Beding, Dolakha
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	1993-10-12
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1030
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	137
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	Only in C3
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	2433217
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	nima dorje (dorje) sherpa
Year of Birth	1955
Year	1993
Age at Expedition	38
Role	Hired

Field	Value
ID	28294
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY93310
Member ID	16
Peak ID	CHOY
Year	1993
Season	3
First Name	Mingma Norbu/Nuru
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	-
Calculated Age	22
Citizenship	Nepal
Status	H-A Worker
Residence	Beding, Dolakha
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	1993-10-12
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1030
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	137
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	Only in C3
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	(....-1994) Died 12 Sep 1994 on Everest from avalanche
Summit Bid	5
Summit Term	1
HCN	0
Checksum	-66
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	mingma norbu/nuru sherpa
Year of Birth	-
Year	1993
Age at Expedition	-
Role	Hired

19 recorded members.

Name	Sex	Year of Birth	Citizenship	Status	Residence	Occupation
Tsuyoshi Akiyama	M	1970	Japan	Climber	Tsukiyono, Tone, Gunma, Japan	Businessman	Details Other expeditions
Shinsuki Ezuka	M	1961	Japan	Climber	Isesaki, Gunma, Japan	Electronics researcher	Details Other expeditions
Fumiaki Goto	M	1965	Japan	Climber	Moriya, Ibaraki, Japan	Electronics engineer	Details Other expeditions
Ryushi Hoshino	M	1967	Japan	Climber	Kurohone, Seta-gun, Gunma, Japan	Gardener	Details Other expeditions
Hideji Nazuka	M	1954	Japan	Climber	Maebashi, Gunma, Japan	Gardener	Details Other expeditions
Yoshio Ogata	M	1948	Japan	Deputy Leader	Magashimurayama, Tokyo, Japan	Director of mountaineering association & editor of magazine	Details Other expeditions
Mitsuyoshi Sato	M	1961	Japan	Climber	Maebashi, Gunma, Japan	Telephone engineer	Details Other expeditions
Senya Sumiyoshi	M	1926	Japan	Exp Doctor	Nishinomiya, Hyogo, Japan	Physician (surgeon)	Details Other expeditions
Osamu Tanabe	M	1961	Japan	Climber	Nagoya, Aichi, Japan	Alpine guide	Details Other expeditions
Tsutomu Terada	M	1968	Japan	Climber	Ota, Gunma, Japan	Carpenter	Details Other expeditions
Kuniaki Yagihara	M	1946	Japan	Leader	Maebashi, Gunma, Japan	Writer (mountaineering)	Details Other expeditions
Tsutomu Miyazaki	M	1947	Japan	Climber	Katashina, Gunma, Japan	Manager	Details Other expeditions
Fumie Kimura Yoshida	F	1955	Japan	Climber	Miyamoto, Kiryu, Gunma, Japan	Sports shop staff member	Details Other expeditions
Pasang Tshering/Tshiring Sherpa	M	1963	Nepal	H-A Worker	Beding, Dolakha	-	Details Other expeditions
Lobsang Jangbu Sherpa	M	1971	Nepal	H-A Worker	Beding, Dolakha	-	Details Other expeditions
Nawang Syakaya/Syatty Sherpa	M	-	Nepal	H-A Worker	Beding, Dolakha	-	Details Other expeditions
Dawa Tshering (Dawa Chhiri) Sherpa	M	1971	Nepal	H-A Worker	Beding, Dolakha	-	Details Other expeditions
Nima Dorje (Dorje) Sherpa	M	1955	Nepal	H-A Worker	Beding, Dolakha	-	Details Other expeditions
Mingma Norbu/Nuru Sherpa	M	-	Nepal	H-A Worker	Beding, Dolakha	-	Details Other expeditions

References

Field	Value
ID	2836
Imported	2026-03-06 18:06:36.307770
Expedition ID	CHOY93310
Reference ID	01
Year	1993
Type	2
Journal	AAJ
Author	Hawley, Elizabeth
Title	-
Publisher	-
Publication Date	1994
Language	-
Citation	68:278 (1994)
Yak 94	-
Notes	-

Field	Value
ID	3006
Imported	2026-03-06 18:06:36.307770
Expedition ID	CHOY93310
Reference ID	02
Year	1993
Type	2
Journal	AAJ
Author	-
Title	-
Publisher	-
Publication Date	1995
Language	-
Citation	69:306 (1995)
Yak 94	-
Notes	-

Field	Value
ID	4748
Imported	2026-03-06 18:06:36.307770
Expedition ID	CHOY93310
Reference ID	03
Year	1993
Type	3
Journal	HIGH
Author	-
Title	-
Publisher	-
Publication Date	1994
Language	-
Citation	138:10 (May 1994)
Yak 94	-
Notes	-

Field	Value
ID	6762
Imported	2026-03-06 18:06:36.307770
Expedition ID	CHOY93310
Reference ID	04
Year	1993
Type	3
Journal	IWA
Author	-
Title	-
Publisher	-
Publication Date	1994
Language	Japanese w/English summary
Citation	:234-235 (1994)
Yak 94	-
Notes	-

Field	Value
ID	6804
Imported	2026-03-06 18:06:36.307770
Expedition ID	CHOY93310
Reference ID	05
Year	1993
Type	3
Journal	IWA
Author	-
Title	-
Publisher	-
Publication Date	1993
Language	Japanese
Citation	:49 (1993)
Yak 94	-
Notes	-

Field	Value
ID	11175
Imported	2026-03-06 18:06:36.307770
Expedition ID	CHOY93310
Reference ID	06
Year	1993
Type	5
Journal	-
Author	-
Title	http://publications.americanalpineclub.org/articles/12199427801/Asia-Tibet-Cho-Oyu-from-the-North-in-the-Post-Monsoon
Publisher	-
Publication Date	-
Language	-
Citation	-
Yak 94	-
Notes	-

Field	Value
ID	14256
Imported	2026-03-06 18:06:36.307770
Expedition ID	CHOY93310
Reference ID	07
Year	1993
Type	1
Journal	-
Author	Gunma-ken Mountaineering Union
Title	Sagarmatha: Southwest Face in Winter
Publisher	By expedition, Maebashi, Japan
Publication Date	1995
Language	Japanese w/English summary
Citation	-
Yak 94	-
Notes	-

7 recorded references.

Expedition ID	Journal	Author	Title	Publisher	Citation	Yak 94
CHOY93310	AAJ	Hawley, Elizabeth	-	-	68:278 (1994)	-
CHOY93310	AAJ	-	-	-	69:306 (1995)	-
CHOY93310	HIGH	-	-	-	138:10 (May 1994)	-
CHOY93310	IWA	-	-	-	:234-235 (1994)	-
CHOY93310	IWA	-	-	-	:49 (1993)	-
CHOY93310	-	-	http://publications.americanalpineclub.org/articles/12199427801/Asia-Tibet-Cho-Oyu-from-the-North-in-the-Post-Monsoon	-	-	-
CHOY93310	-	Gunma-ken Mountaineering Union	Sagarmatha: Southwest Face in Winter	By expedition, Maebashi, Japan	-	-