Dhaulagiri IV | 1975 W Col-W Ridge from S

A Japan expedition to Dhaulagiri IV in 1975 via W Col-W Ridge from S, led by Kazuyuki Takahashi. Summit reached on 19th October 1975. 18 members recorded.

Expedition Details

Field	Value
ID	2290
Imported	2026-03-06 18:04:49.359634
Expedition ID	DHA475301
Peak ID	DHA4
Year	1975
Season	3
Host Country	1
Route 1	W Col-W Ridge from S
Route 2	-
Route 3	-
Route 4	-
Nationality	Japan
Leaders	Kazuyuki Takahashi
Sponsor	Kamoshika Dojin Dhaulagiri IV Expedition 1975
Success 1	True
Success 2	False
Success 3	False
Success 4	False
Ascent 1	2nd-4th
Ascent 2	-
Ascent 3	-
Ascent 4	-
Claimed	False
Disputed	False
Countries	-
Approach	Pokhara->Beni->Myagdi Khola (BC)
Basecamp Date	1975-09-01
Summit Date	1975-10-19
Summit Time	1935
Summit Days	48
Total Days	0
Termination Date	-
Termination Reason	1
Termination Notes	-
High Point (m)	7661
Traverse	False
Ski	False
Paraglide	False
Camps	9
Fixed Rope (m)	0
Total Members	16
Summit Members	11
Member Deaths	0
Total Hired	4
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	-
Campsites	BC(01/09,3450m),C1(03/09,4650m),C2(09/09,5250m),C3(15/09,5750m),C4(24/09,6200m),C5(5400m),C6(5350m),C7(6000m),C8(6900m),C9(18/10,7100m),Smt(19-21/10)
Route Notes	MP Khanal, MFA - 21 Sept 75 C3 5750m 15 Sept. Schedule to make C4 about 18th-19th Sept (LO says from BC on 16th) Asaba & Yagihara - 2 Aug 75 2 in KTM Dr arrive 5th - famous climber main party on 7th Aug. Yagihara - 1975 Route - Konaban Khola BC at 3450m Same as 1969, 1971 and 1973 Leave KTM 13 Aug by road Leave Pokhara 15 or 16 Aug Arrive BC about 30 Aug Start climbing immediately. No avalanche danger 1st part of route since all ridge. Summit end of Oct, "I hope so." 1 sirdar and 3 Sherpas Do think spring 1975 team reached summit. They very strong, Nakamura very experienced.
Accidents	-
Achievement	-
Agency	-
Commercial Route	-
Standard Route	-
Primary Route	False
Primary Member	False
Primary Reference	-
Primary ID	-
Checksum	2448640
Year	1975
Summit Success	True
O2 Summary	None
Route (lowercase)	w col-w ridge from s

Members

Field	Value
ID	8051
Imported	2026-03-06 18:06:05.675609
Expedition ID	DHA475301
Member ID	03
Peak ID	DHA4
Year	1975
Season	3
First Name	Yuji
Last Name	Asaba
Sex	M
Age	0
Birth Date	-
Year of Birth	1947
Calculated Age	28
Citizenship	Japan
Status	Climber
Residence	Kawasaki, Kanagawa, Japan
Occupation	Landscape gardener (creates Japanese gardens)
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	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	0
Summit Term	0
HCN	0
Checksum	2430407
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	yuji asaba
Year of Birth	1947
Year	1975
Age at Expedition	28
Role	Member

Field	Value
ID	8052
Imported	2026-03-06 18:06:05.675609
Expedition ID	DHA475301
Member ID	04
Peak ID	DHA4
Year	1975
Season	3
First Name	Minoru
Last Name	Kobayashi
Sex	M
Age	0
Birth Date	-
Year of Birth	1949
Calculated Age	26
Citizenship	Japan
Status	Climber
Residence	Kiryu, Gunma, Japan
Occupation	Architect
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)	7661
Summit Date 1	1975-10-20
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1150
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	3
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	2431101
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	minoru kobayashi
Year of Birth	1949
Year	1975
Age at Expedition	26
Role	Member

Field	Value
ID	8053
Imported	2026-03-06 18:06:05.675609
Expedition ID	DHA475301
Member ID	05
Peak ID	DHA4
Year	1975
Season	3
First Name	Kozo
Last Name	Komatsu
Sex	M
Age	0
Birth Date	-
Year of Birth	1954
Calculated Age	21
Citizenship	Japan
Status	Climber
Residence	Tokyo, Japan
Occupation	Student at Maisaei University
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)	7661
Summit Date 1	1975-10-21
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1150
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	4
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	(1954-1989) Died Feb 1989 on Denali from falling
Summit Bid	5
Summit Term	1
HCN	0
Checksum	2432703
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	kozo komatsu
Year of Birth	1954
Year	1975
Age at Expedition	21
Role	Member

Field	Value
ID	8054
Imported	2026-03-06 18:06:05.675609
Expedition ID	DHA475301
Member ID	06
Peak ID	DHA4
Year	1975
Season	3
First Name	Tsutomu
Last Name	Miyazaki
Sex	M
Age	0
Birth Date	-
Year of Birth	1947
Calculated Age	27
Citizenship	Japan
Status	Climber
Residence	Maebashi, Gunma, Japan
Occupation	Employed in the office of a furniture factory
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)	7661
Summit Date 1	1975-10-21
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1150
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	4
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	2430448
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	tsutomu miyazaki
Year of Birth	1947
Year	1975
Age at Expedition	28
Role	Member

Field	Value
ID	8055
Imported	2026-03-06 18:06:05.675609
Expedition ID	DHA475301
Member ID	07
Peak ID	DHA4
Year	1975
Season	3
First Name	Yasuo
Last Name	Morozumi
Sex	M
Age	0
Birth Date	-
Year of Birth	1949
Calculated Age	26
Citizenship	Japan
Status	Climber
Residence	Tokyo, Japan
Occupation	Computer programmer
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)	7661
Summit Date 1	1975-10-20
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1150
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	3
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	(1949-1978) Died on 7 Jan 1978 in Northern Japanese Alps from avalanche
Summit Bid	5
Summit Term	1
HCN	0
Checksum	2430961
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	yasuo morozumi
Year of Birth	1949
Year	1975
Age at Expedition	26
Role	Member

Field	Value
ID	8056
Imported	2026-03-06 18:06:05.675609
Expedition ID	DHA475301
Member ID	08
Peak ID	DHA4
Year	1975
Season	3
First Name	Shoji
Last Name	Nakamura
Sex	M
Age	0
Birth Date	-
Year of Birth	1942
Calculated Age	33
Citizenship	Japan
Status	Climber
Residence	Tokyo, Japan
Occupation	Employee of truck factory in Tokyo
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)	7661
Summit Date 1	1975-10-21
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1150
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	4
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	2428460
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	shoji nakamura
Year of Birth	1942
Year	1975
Age at Expedition	33
Role	Member

Field	Value
ID	8057
Imported	2026-03-06 18:06:05.675609
Expedition ID	DHA475301
Member ID	09
Peak ID	DHA4
Year	1975
Season	3
First Name	Satoru
Last Name	Negishi
Sex	M
Age	0
Birth Date	-
Year of Birth	1947
Calculated Age	28
Citizenship	Japan
Status	Climber
Residence	Fujioka, Gunma, 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)	7661
Summit Date 1	1975-10-20
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1150
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	3
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	2430238
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	satoru negishi
Year of Birth	1947
Year	1975
Age at Expedition	28
Role	Member

Field	Value
ID	8058
Imported	2026-03-06 18:06:05.675609
Expedition ID	DHA475301
Member ID	10
Peak ID	DHA4
Year	1975
Season	3
First Name	Shigeto
Last Name	Ogura
Sex	M
Age	0
Birth Date	-
Year of Birth	1954
Calculated Age	21
Citizenship	Japan
Status	Climber
Residence	Tokyo, Japan
Occupation	Student at Tama Art University, Tokyo
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)	7661
Summit Date 1	1975-10-20
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1150
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	3
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	2432698
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	shigeto ogura
Year of Birth	1954
Year	1975
Age at Expedition	21
Role	Member

Field	Value
ID	8059
Imported	2026-03-06 18:06:05.675609
Expedition ID	DHA475301
Member ID	11
Peak ID	DHA4
Year	1975
Season	3
First Name	Norio
Last Name	Sasaki
Sex	M
Age	0
Birth Date	-
Year of Birth	1934
Calculated Age	41
Citizenship	Japan
Status	Climber
Residence	Nagano, Japan
Occupation	Hotel owner
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	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	0
Summit Term	0
HCN	0
Checksum	2425522
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	norio sasaki
Year of Birth	1934
Year	1975
Age at Expedition	41
Role	Member

Field	Value
ID	8060
Imported	2026-03-06 18:06:05.675609
Expedition ID	DHA475301
Member ID	12
Peak ID	DHA4
Year	1975
Season	3
First Name	Kosaku
Last Name	Suda
Sex	M
Age	0
Birth Date	-
Year of Birth	1941
Calculated Age	34
Citizenship	Japan
Status	Climber
Residence	Niiza, Saitama, 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)	7661
Summit Date 1	1975-10-20
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1150
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	3
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	2428084
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	kosaku suda
Year of Birth	1941
Year	1975
Age at Expedition	34
Role	Member

Field	Value
ID	8061
Imported	2026-03-06 18:06:05.675609
Expedition ID	DHA475301
Member ID	01
Peak ID	DHA4
Year	1975
Season	3
First Name	Kazuyuki
Last Name	Takahashi
Sex	M
Age	0
Birth Date	-
Year of Birth	1943
Calculated Age	32
Citizenship	Japan
Status	Leader
Residence	Tokyo, Japan
Occupation	President of Kamoshika Co., sporting goods shop in Tokyo
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)	7661
Summit Date 1	1975-10-19
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1935
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	2
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	2428702
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	kazuyuki takahashi
Year of Birth	1943
Year	1975
Age at Expedition	32
Role	Leader

Field	Value
ID	8062
Imported	2026-03-06 18:06:05.675609
Expedition ID	DHA475301
Member ID	14
Peak ID	DHA4
Year	1975
Season	3
First Name	Michiko
Last Name	Takahashi
Sex	F
Age	0
Birth Date	-
Year of Birth	1942
Calculated Age	33
Citizenship	Japan
Status	Exp Doctor
Residence	Tokyo, Japan
Occupation	Teacher, Tokyo Womens Medical University
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)	6900
Summit Date 1	1975-10-21
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	2
Summit Term	3
HCN	0
Checksum	2428427
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	michiko takahashi
Year of Birth	1942
Year	1975
Age at Expedition	33
Role	Member

Field	Value
ID	8063
Imported	2026-03-06 18:06:05.675609
Expedition ID	DHA475301
Member ID	02
Peak ID	DHA4
Year	1975
Season	3
First Name	Yoshiteru
Last Name	Takahashi
Sex	M
Age	0
Birth Date	-
Year of Birth	1943
Calculated Age	32
Citizenship	Japan
Status	Deputy Leader
Residence	Tokyo, Japan
Occupation	Cabinetmaker
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)	7661
Summit Date 1	1975-10-19
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1935
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	2
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	2428696
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	yoshiteru takahashi
Year of Birth	1943
Year	1975
Age at Expedition	32
Role	Deputy

Field	Value
ID	8064
Imported	2026-03-06 18:06:05.675609
Expedition ID	DHA475301
Member ID	16
Peak ID	DHA4
Year	1975
Season	3
First Name	Kuniaki
Last Name	Yagihara
Sex	M
Age	0
Birth Date	-
Year of Birth	1946
Calculated Age	28
Citizenship	Japan
Status	Climber
Residence	Maebashi, Gunma, Japan
Occupation	Executive of shop owned by his brother selling cycles & motorcycles
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)	7661
Summit Date 1	1975-10-20
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1150
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	3
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	2430100
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	kuniaki yagihara
Year of Birth	1946
Year	1975
Age at Expedition	29
Role	Member

Field	Value
ID	26949
Imported	2026-03-06 18:06:05.675609
Expedition ID	DHA475301
Member ID	17
Peak ID	DHA4
Year	1975
Season	3
First Name	Mingma Tenzing
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	-
Calculated Age	24
Citizenship	Nepal
Status	Sirdar
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	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	-
High Point (m)	False
Personal High Point (m)	6900
Summit Date 1	1975-10-21
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	2
Summit Term	3
HCN	0
Checksum	-23
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	mingma tenzing sherpa
Year of Birth	-
Year	1975
Age at Expedition	-
Role	Hired

Field	Value
ID	26950
Imported	2026-03-06 18:06:05.675609
Expedition ID	DHA475301
Member ID	15
Peak ID	DHA4
Year	1975
Season	3
First Name	Shoji
Last Name	Tanaka
Sex	M
Age	0
Birth Date	-
Year of Birth	-
Calculated Age	0
Citizenship	Japan
Status	Member
Residence	-
Occupation	-
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	-23
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	shoji tanaka
Year of Birth	-
Year	1975
Age at Expedition	-
Role	BC Only

Field	Value
ID	26951
Imported	2026-03-06 18:06:05.675609
Expedition ID	DHA475301
Member ID	13
Peak ID	DHA4
Year	1975
Season	3
First Name	Kousaku
Last Name	Sutou
Sex	M
Age	0
Birth Date	-
Year of Birth	-
Calculated Age	0
Citizenship	Japan
Status	Member
Residence	-
Occupation	-
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	-23
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	kousaku sutou
Year of Birth	-
Year	1975
Age at Expedition	-
Role	BC Only

Field	Value
ID	50398
Imported	2026-03-06 18:06:05.675609
Expedition ID	DHA475301
Member ID	18
Peak ID	DHA4
Year	1975
Season	3
First Name	Phurba Tenzing
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)	6900
Summit Date 1	1975-10-21
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	2
Summit Term	3
HCN	0
Checksum	-23
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	phurba tenzing sherpa
Year of Birth	-
Year	1975
Age at Expedition	-
Role	Hired

18 recorded members.

Name	Sex	Year of Birth	Citizenship	Status	Residence	Occupation
Yuji Asaba	M	1947	Japan	Climber	Kawasaki, Kanagawa, Japan	Landscape gardener (creates Japanese gardens)	Details Other expeditions
Minoru Kobayashi	M	1949	Japan	Climber	Kiryu, Gunma, Japan	Architect	Details Other expeditions
Kozo Komatsu	M	1954	Japan	Climber	Tokyo, Japan	Student at Maisaei University	Details Other expeditions
Tsutomu Miyazaki	M	1947	Japan	Climber	Maebashi, Gunma, Japan	Employed in the office of a furniture factory	Details Other expeditions
Yasuo Morozumi	M	1949	Japan	Climber	Tokyo, Japan	Computer programmer	Details Other expeditions
Shoji Nakamura	M	1942	Japan	Climber	Tokyo, Japan	Employee of truck factory in Tokyo	Details Other expeditions
Satoru Negishi	M	1947	Japan	Climber	Fujioka, Gunma, Japan	Alpine guide	Details Other expeditions
Shigeto Ogura	M	1954	Japan	Climber	Tokyo, Japan	Student at Tama Art University, Tokyo	Details Other expeditions
Norio Sasaki	M	1934	Japan	Climber	Nagano, Japan	Hotel owner	Details Other expeditions
Kosaku Suda	M	1941	Japan	Climber	Niiza, Saitama, Japan	Carpenter	Details Other expeditions
Kazuyuki Takahashi	M	1943	Japan	Leader	Tokyo, Japan	President of Kamoshika Co., sporting goods shop in Tokyo	Details Other expeditions
Michiko Takahashi	F	1942	Japan	Exp Doctor	Tokyo, Japan	Teacher, Tokyo Womens Medical University	Details Other expeditions
Yoshiteru Takahashi	M	1943	Japan	Deputy Leader	Tokyo, Japan	Cabinetmaker	Details Other expeditions
Kuniaki Yagihara	M	1946	Japan	Climber	Maebashi, Gunma, Japan	Executive of shop owned by his brother selling cycles & motorcycles	Details Other expeditions
Mingma Tenzing Sherpa	M	-	Nepal	Sirdar	Thami, Khumbu	-	Details Other expeditions
Shoji Tanaka	M	-	Japan	Member	-	-	Details Other expeditions
Kousaku Sutou	M	-	Japan	Member	-	-	Details Other expeditions
Phurba Tenzing Sherpa	M	-	Nepal	H-A Worker	-	-	Details Other expeditions

References

Field	Value
ID	1402
Imported	2026-03-06 18:06:36.307770
Expedition ID	DHA475301
Reference ID	01
Year	1975
Type	2
Journal	AAJ
Author	Yoshizawa, Ichiro
Title	-
Publisher	-
Publication Date	1976
Language	-
Citation	50:521-522 (1976)
Yak 94	-
Notes	-

Field	Value
ID	1590
Imported	2026-03-06 18:06:36.307770
Expedition ID	DHA475301
Reference ID	02
Year	1975
Type	2
Journal	HJ
Author	Yagihara, Kuniaki
Title	Dhaulagiri IV, 1975
Publisher	-
Publication Date	1978
Language	-
Citation	35:175-180 (1976-78)
Yak 94	-
Notes	-

Field	Value
ID	3740
Imported	2026-03-06 18:06:36.307770
Expedition ID	DHA475301
Reference ID	03
Year	1975
Type	3
Journal	MM
Author	-
Title	-
Publisher	-
Publication Date	1976
Language	-
Citation	49:11 (May 1976)
Yak 94	-
Notes	-

Field	Value
ID	6566
Imported	2026-03-06 18:06:36.307770
Expedition ID	DHA475301
Reference ID	04
Year	1975
Type	3
Journal	IWA
Author	-
Title	-
Publisher	-
Publication Date	1976
Language	Japanese w/English summary
Citation	48:147 (1976)
Yak 94	-
Notes	-

Field	Value
ID	7047
Imported	2026-03-06 18:06:36.307770
Expedition ID	DHA475301
Reference ID	05
Year	1975
Type	3
Journal	IWA
Author	-
Title	-
Publisher	-
Publication Date	1976
Language	Japanese
Citation	48:63-64 (1976)
Yak 94	-
Notes	-

Field	Value
ID	13081
Imported	2026-03-06 18:06:36.307770
Expedition ID	DHA475301
Reference ID	06
Year	1975
Type	5
Journal	-
Author	-
Title	http://publications.americanalpineclub.org/articles/12197652100/Asia-Nepal-Dhaulagiri-IV
Publisher	-
Publication Date	-
Language	-
Citation	-
Yak 94	-
Notes	-

Field	Value
ID	13637
Imported	2026-03-06 18:06:36.307770
Expedition ID	DHA475301
Reference ID	07
Year	1975
Type	5
Journal	-
Author	-
Title	https://www.himalayanclub.org/hj/35/9/everest-1976/
Publisher	-
Publication Date	-
Language	-
Citation	-
Yak 94	-
Notes	-

Field	Value
ID	13645
Imported	2026-03-06 18:06:36.307770
Expedition ID	DHA475301
Reference ID	08
Year	1975
Type	5
Journal	-
Author	-
Title	https://www.himalayanclub.org/hj/35/17/dhaulagiri-iv-1975/
Publisher	-
Publication Date	-
Language	-
Citation	-
Yak 94	-
Notes	-

8 recorded references.

Expedition ID	Journal	Author	Title	Publisher	Citation	Yak 94
DHA475301	AAJ	Yoshizawa, Ichiro	-	-	50:521-522 (1976)	-
DHA475301	HJ	Yagihara, Kuniaki	Dhaulagiri IV, 1975	-	35:175-180 (1976-78)	-
DHA475301	MM	-	-	-	49:11 (May 1976)	-
DHA475301	IWA	-	-	-	48:147 (1976)	-
DHA475301	IWA	-	-	-	48:63-64 (1976)	-
DHA475301	-	-	http://publications.americanalpineclub.org/articles/12197652100/Asia-Nepal-Dhaulagiri-IV	-	-	-
DHA475301	-	-	https://www.himalayanclub.org/hj/35/9/everest-1976/	-	-	-
DHA475301	-	-	https://www.himalayanclub.org/hj/35/17/dhaulagiri-iv-1975/	-	-	-