Dhaulagiri V | 1975 S Ridge

A Japan expedition to Dhaulagiri V in 1975 via S Ridge, led by Eiichi Umeki. Summit reached on 1st May 1975. 17 members recorded.

Expedition Details

Field	Value
ID	2302
Imported	2026-03-06 18:04:49.359634
Expedition ID	DHA575101
Peak ID	DHA5
Year	1975
Season	1
Host Country	1
Route 1	S Ridge
Route 2	-
Route 3	-
Route 4	-
Nationality	Japan
Leaders	Eiichi Umeki
Sponsor	Okayama University Nepal Himalaya Expedition
Success 1	True
Success 2	False
Success 3	False
Success 4	False
Ascent 1	1st
Ascent 2	-
Ascent 3	-
Ascent 4	-
Claimed	False
Disputed	False
Countries	-
Approach	Pokhara->Beni->Darbang->Myagdi Khola
Basecamp Date	1975-03-01
Summit Date	1975-05-01
Summit Time	1200
Summit Days	61
Total Days	71
Termination Date	1975-05-11
Termination Reason	1
Termination Notes	-
High Point (m)	7618
Traverse	False
Ski	False
Paraglide	False
Camps	4
Fixed Rope (m)	0
Total Members	15
Summit Members	1
Member Deaths	0
Total Hired	15
Summit Hired	1
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	Climbed Tsaurabong Peak via E Ridge (TSUR-751-01)
Campsites	TempBC(01/03),BC(13/03,4800m),C1(22/03,5300m),C2(03/04,5900m),C3(20/04,6400m),C4(26/04,7000m),Smt(01/05)
Route Notes	Umeki - 13 May 25 Umeki and Karo left 5th May and arrive KTM 10th May; others arrive 24th or 25th with equipment. No accidents, no frostbite, no Sherpa trouble; many members climbed White Peak 6300m from there very long, narrow difficult ridge and at high altitude; most difficult part 1st to reach top White Peak (Yamasaki). On 17th April, 3 days before C3 established C4 at 7000m higher placed so no need for C5. Summit 1st May noon by Moiroka and Pemba Tsering with 3 men up to 7480m in support making route for descent and film from C4. 1st May 3 men left - Ishihara, Ogura, Kuroda No other summit attempts. Wait in Kathmandu for main party. MP Khanal, MFA - 7 May 75 Summit 1 May 12:00 hrs. Masaki and Pemba Tsering Nepal and Japanese flags Another attempt not known. MP Khanal, MFA - 9 April 75 3 members and 2 Sherpas established C2 at 5900m on 3 April (no names given). Umeki - 10 Feb 75 Leave KTM 12 Feb Leave Pokhara 15th Feb 14 days caravan. South Ridge route. 15 Sherpas including sirdar. Summit about 30th April-1 May. 1 press member who stays BC. Kawaguchi, et al - 27 Jan 75 3 on 14th Jan - other 18 4th Feb Climbers leave Kathmandu 12 Feb (8th Feb, 4 medical group leave) Total 21 - 4 medical - 2 geographical - 13 climbers - 1 doctor - 1 general leader By road to Pokhara and leave there 15 or 16 Feb via Myagdi Khola to BC southeast of Dhaulagiri V on Tsaurabang Glacier. Route is South Ridge 1st attempts on D-V in 1971, both by South Ridge, both Japanese and unsuccessful. This expedition's recce party last year spring climbed White Peak (6300m) to 5000m. This expedition will climb White Peak and thence north on ridge, really South Ridge route; earlier expeditions tried via much steeper slopes north of White Peak onto South Ridge. 4-week caravan; reach BC mid-March; BC 4200m; 5 high camps with C5 at 7200m Summit beginning of May 15 Sherpas for climbing including Sirdar. Medical team go to BC area and then southern Nepal; geologist to stay in BC.
Accidents	-
Achievement	-
Agency	-
Commercial Route	-
Standard Route	-
Primary Route	False
Primary Member	False
Primary Reference	-
Primary ID	-
Checksum	2448469
Year	1975
Summit Success	True
O2 Summary	None
Route (lowercase)	s ridge

Members

Field	Value
ID	8065
Imported	2026-03-06 18:06:05.675609
Expedition ID	DHA575101
Member ID	01
Peak ID	DHA5
Year	1975
Season	1
First Name	Takabatake
Last Name	Akira
Sex	M
Age	0
Birth Date	-
Year of Birth	1911
Calculated Age	63
Citizenship	Japan
Status	General Leader
Residence	Okayama, Japan
Occupation	Mineralogy, Okayama University
Leader	True
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	2417380
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	takabatake akira
Year of Birth	1911
Year	1975
Age at Expedition	64
Role	Leader

Field	Value
ID	8066
Imported	2026-03-06 18:06:05.675609
Expedition ID	DHA575101
Member ID	02
Peak ID	DHA5
Year	1975
Season	1
First Name	Eiichi
Last Name	Umeki
Sex	M
Age	0
Birth Date	-
Year of Birth	1938
Calculated Age	36
Citizenship	Japan
Status	Leader
Residence	Okayama, Japan
Occupation	Assistant professor of French, Okayama University
Leader	True
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	False
Sherpa	False
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	-
High Point (m)	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	2427012
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	eiichi umeki
Year of Birth	1938
Year	1975
Age at Expedition	37
Role	Leader

Field	Value
ID	8067
Imported	2026-03-06 18:06:05.675609
Expedition ID	DHA575101
Member ID	03
Peak ID	DHA5
Year	1975
Season	1
First Name	Shiro
Last Name	Sadakane
Sex	M
Age	0
Birth Date	-
Year of Birth	1939
Calculated Age	36
Citizenship	Japan
Status	Deputy Leader
Residence	Asakuchi, Okayama, Japan
Occupation	Teacher in Konko Junior High School
Leader	False
Deputy	True
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	2427350
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	shiro sadakane
Year of Birth	1939
Year	1975
Age at Expedition	36
Role	Deputy

Field	Value
ID	8068
Imported	2026-03-06 18:06:05.675609
Expedition ID	DHA575101
Member ID	07
Peak ID	DHA5
Year	1975
Season	1
First Name	Ken
Last Name	Ishihara
Sex	M
Age	0
Birth Date	-
Year of Birth	1941
Calculated Age	34
Citizenship	Japan
Status	Climber
Residence	Kasako-shi, Japan
Occupation	Teacher in Konko High School
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	2428077
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	ken ishihara
Year of Birth	1941
Year	1975
Age at Expedition	34
Role	Member

Field	Value
ID	8069
Imported	2026-03-06 18:06:05.675609
Expedition ID	DHA575101
Member ID	14
Peak ID	DHA5
Year	1975
Season	1
First Name	Genzaburo
Last Name	Yamasaki
Sex	M
Age	0
Birth Date	-
Year of Birth	1943
Calculated Age	32
Citizenship	Japan
Status	Climber
Residence	Okayama, Japan
Occupation	Staff member, chain of furniture stores
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	2428804
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	genzaburo yamasaki
Year of Birth	1943
Year	1975
Age at Expedition	32
Role	Member

Field	Value
ID	8070
Imported	2026-03-06 18:06:05.675609
Expedition ID	DHA575101
Member ID	13
Peak ID	DHA5
Year	1975
Season	1
First Name	Hideo
Last Name	Ogura
Sex	M
Age	0
Birth Date	-
Year of Birth	1946
Calculated Age	29
Citizenship	Japan
Status	Climber
Residence	Okayama, Japan
Occupation	Pediatrician in Okayama 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)	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	2429858
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	hideo ogura
Year of Birth	1946
Year	1975
Age at Expedition	29
Role	Member

Field	Value
ID	8071
Imported	2026-03-06 18:06:05.675609
Expedition ID	DHA575101
Member ID	09
Peak ID	DHA5
Year	1975
Season	1
First Name	Masaru
Last Name	Kono
Sex	M
Age	0
Birth Date	-
Year of Birth	1944
Calculated Age	30
Citizenship	Japan
Status	Climber
Residence	Setta, Osaka, Japan
Occupation	Air-conditioning and referigeration engineer
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	2429474
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	masaru kono
Year of Birth	1944
Year	1975
Age at Expedition	31
Role	Member

Field	Value
ID	8072
Imported	2026-03-06 18:06:05.675609
Expedition ID	DHA575101
Member ID	04
Peak ID	DHA5
Year	1975
Season	1
First Name	Shigeo
Last Name	Aoki
Sex	M
Age	0
Birth Date	-
Year of Birth	1947
Calculated Age	27
Citizenship	Japan
Status	Climber
Residence	Kawasaki, Kanagawa, Japan
Occupation	Staff member, business machines company
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	2430311
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	shigeo aoki
Year of Birth	1947
Year	1975
Age at Expedition	28
Role	Member

Field	Value
ID	8073
Imported	2026-03-06 18:06:05.675609
Expedition ID	DHA575101
Member ID	05
Peak ID	DHA5
Year	1975
Season	1
First Name	Hiroshi
Last Name	Hiratsuka
Sex	M
Age	0
Birth Date	-
Year of Birth	1948
Calculated Age	26
Citizenship	Japan
Status	Climber
Residence	Nishiku, Osaka, Japan
Occupation	Staff member, rubber goods (tires, etc) manufacturing co.
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	2430663
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	hiroshi hiratsuka
Year of Birth	1948
Year	1975
Age at Expedition	27
Role	Member

Field	Value
ID	8074
Imported	2026-03-06 18:06:05.675609
Expedition ID	DHA575101
Member ID	12
Peak ID	DHA5
Year	1975
Season	1
First Name	Masaaki
Last Name	Morioka
Sex	M
Age	0
Birth Date	-
Year of Birth	1949
Calculated Age	25
Citizenship	Japan
Status	Climber
Residence	Okayama, Japan
Occupation	Urologist in Okayama 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)	7618
Summit Date 1	1975-05-01
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	1
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	2431021
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	masaaki morioka
Year of Birth	1949
Year	1975
Age at Expedition	26
Role	Member

Field	Value
ID	8075
Imported	2026-03-06 18:06:05.675609
Expedition ID	DHA575101
Member ID	08
Peak ID	DHA5
Year	1975
Season	1
First Name	Kenji
Last Name	Kawaguchi
Sex	M
Age	0
Birth Date	-
Year of Birth	1949
Calculated Age	25
Citizenship	Japan
Status	Climber
Residence	Okayama, Japan
Occupation	Anesthesist in Okayama University Medical School
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	2431141
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	kenji kawaguchi
Year of Birth	1949
Year	1975
Age at Expedition	26
Role	Member

Field	Value
ID	8076
Imported	2026-03-06 18:06:05.675609
Expedition ID	DHA575101
Member ID	06
Peak ID	DHA5
Year	1975
Season	1
First Name	Norikazu
Last Name	Ichikawa
Sex	M
Age	0
Birth Date	-
Year of Birth	1950
Calculated Age	24
Citizenship	Japan
Status	Climber
Residence	Suzaki, Kochi, Japan
Occupation	Student in Okayama University Medical school
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	2431380
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	norikazu ichikawa
Year of Birth	1950
Year	1975
Age at Expedition	25
Role	Member

Field	Value
ID	8077
Imported	2026-03-06 18:06:05.675609
Expedition ID	DHA575101
Member ID	10
Peak ID	DHA5
Year	1975
Season	1
First Name	Haruhisa
Last Name	Kuroda
Sex	M
Age	0
Birth Date	-
Year of Birth	1952
Calculated Age	22
Citizenship	Japan
Status	Climber
Residence	Osaka, Japan
Occupation	Student at Okayama University Scientific school
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	2432135
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	haruhisa kuroda
Year of Birth	1952
Year	1975
Age at Expedition	23
Role	Member

Field	Value
ID	8078
Imported	2026-03-06 18:06:05.675609
Expedition ID	DHA575101
Member ID	11
Peak ID	DHA5
Year	1975
Season	1
First Name	Hiromichi
Last Name	Mizahata
Sex	M
Age	0
Birth Date	-
Year of Birth	1953
Calculated Age	21
Citizenship	Japan
Status	Climber
Residence	Inba, Chiba, Japan
Occupation	Student at Okayama University Technological school
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	2432721
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	hiromichi mizahata
Year of Birth	1953
Year	1975
Age at Expedition	22
Role	Member

Field	Value
ID	8079
Imported	2026-03-06 18:06:05.675609
Expedition ID	DHA575101
Member ID	15
Peak ID	DHA5
Year	1975
Season	1
First Name	Yashuhiro
Last Name	Yumoto
Sex	M
Age	0
Birth Date	-
Year of Birth	1937
Calculated Age	37
Citizenship	Japan
Status	Medical Officer
Residence	Okayama, Japan
Occupation	Teaching assistant, internal medicine department, Okayama Univ
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	2426753
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	yashuhiro yumoto
Year of Birth	1937
Year	1975
Age at Expedition	38
Role	Member

Field	Value
ID	8080
Imported	2026-03-06 18:06:05.675609
Expedition ID	DHA575101
Member ID	17
Peak ID	DHA5
Year	1975
Season	1
First Name	Pemba Tshering
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1943
Calculated Age	31
Citizenship	Nepal
Status	H-A Worker
Residence	Thamo, 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)	7618
Summit Date 1	1975-05-01
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	1
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	2428846
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	pemba tshering sherpa
Year of Birth	1943
Year	1975
Age at Expedition	32
Role	Hired

Field	Value
ID	26921
Imported	2026-03-06 18:06:05.675609
Expedition ID	DHA575101
Member ID	16
Peak ID	DHA5
Year	1975
Season	1
First Name	Nawang Samden
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	-
Calculated Age	39
Citizenship	Nepal
Status	Sirdar
Residence	Namche Bazar, 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)	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	-19
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	nawang samden sherpa
Year of Birth	-
Year	1975
Age at Expedition	-
Role	Hired

17 recorded members.

Name	Sex	Year of Birth	Citizenship	Status	Residence	Occupation
Takabatake Akira	M	1911	Japan	General Leader	Okayama, Japan	Mineralogy, Okayama University	Details Other expeditions
Eiichi Umeki	M	1938	Japan	Leader	Okayama, Japan	Assistant professor of French, Okayama University	Details Other expeditions
Shiro Sadakane	M	1939	Japan	Deputy Leader	Asakuchi, Okayama, Japan	Teacher in Konko Junior High School	Details Other expeditions
Ken Ishihara	M	1941	Japan	Climber	Kasako-shi, Japan	Teacher in Konko High School	Details Other expeditions
Genzaburo Yamasaki	M	1943	Japan	Climber	Okayama, Japan	Staff member, chain of furniture stores	Details Other expeditions
Hideo Ogura	M	1946	Japan	Climber	Okayama, Japan	Pediatrician in Okayama University	Details Other expeditions
Masaru Kono	M	1944	Japan	Climber	Setta, Osaka, Japan	Air-conditioning and referigeration engineer	Details Other expeditions
Shigeo Aoki	M	1947	Japan	Climber	Kawasaki, Kanagawa, Japan	Staff member, business machines company	Details Other expeditions
Hiroshi Hiratsuka	M	1948	Japan	Climber	Nishiku, Osaka, Japan	Staff member, rubber goods (tires, etc) manufacturing co.	Details Other expeditions
Masaaki Morioka	M	1949	Japan	Climber	Okayama, Japan	Urologist in Okayama University	Details Other expeditions
Kenji Kawaguchi	M	1949	Japan	Climber	Okayama, Japan	Anesthesist in Okayama University Medical School	Details Other expeditions
Norikazu Ichikawa	M	1950	Japan	Climber	Suzaki, Kochi, Japan	Student in Okayama University Medical school	Details Other expeditions
Haruhisa Kuroda	M	1952	Japan	Climber	Osaka, Japan	Student at Okayama University Scientific school	Details Other expeditions
Hiromichi Mizahata	M	1953	Japan	Climber	Inba, Chiba, Japan	Student at Okayama University Technological school	Details Other expeditions
Yashuhiro Yumoto	M	1937	Japan	Medical Officer	Okayama, Japan	Teaching assistant, internal medicine department, Okayama Univ	Details Other expeditions
Pemba Tshering Sherpa	M	1943	Nepal	H-A Worker	Thamo, Khumbu	-	Details Other expeditions
Nawang Samden Sherpa	M	-	Nepal	Sirdar	Namche Bazar, Khumbu	-	Details Other expeditions

References

Field	Value
ID	1403
Imported	2026-03-06 18:06:36.307770
Expedition ID	DHA575101
Reference ID	01
Year	1975
Type	2
Journal	AAJ
Author	Kawaguchi, Kenji
Title	-
Publisher	-
Publication Date	1976
Language	-
Citation	50:522 (1976)
Yak 94	-
Notes	-

Field	Value
ID	1649
Imported	2026-03-06 18:06:36.307770
Expedition ID	DHA575101
Reference ID	02
Year	1975
Type	2
Journal	JAC
Author	Takeda, Shosaku
Title	The First Ascent of Dhaulagiri V
Publisher	-
Publication Date	1975
Language	English
Citation	70:10-12 (1975)
Yak 94	-
Notes	Route map in English included in Japanese section

Field	Value
ID	3722
Imported	2026-03-06 18:06:36.307770
Expedition ID	DHA575101
Reference ID	03
Year	1975
Type	3
Journal	MM
Author	-
Title	-
Publisher	-
Publication Date	1975
Language	-
Citation	46:13 (Nov 1975)
Yak 94	-
Notes	-

Field	Value
ID	6004
Imported	2026-03-06 18:06:36.307770
Expedition ID	DHA575101
Reference ID	04
Year	1975
Type	2
Journal	JAC
Author	Takeda, Shosaku
Title	The First Ascent of Dhaulagiri V
Publisher	-
Publication Date	1975
Language	Japanese
Citation	70:110-125 (1975)
Yak 94	-
Notes	Includes route map in English

Field	Value
ID	6564
Imported	2026-03-06 18:06:36.307770
Expedition ID	DHA575101
Reference ID	05
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	7039
Imported	2026-03-06 18:06:36.307770
Expedition ID	DHA575101
Reference ID	06
Year	1975
Type	3
Journal	IWA
Author	-
Title	-
Publisher	-
Publication Date	1976
Language	Japanese
Citation	48:61 (1976)
Yak 94	-
Notes	-

Field	Value
ID	13083
Imported	2026-03-06 18:06:36.307770
Expedition ID	DHA575101
Reference ID	07
Year	1975
Type	5
Journal	-
Author	-
Title	http://publications.americanalpineclub.org/articles/12197652201/Asia-Nepal-Dhaulagiri-V
Publisher	-
Publication Date	-
Language	-
Citation	-
Yak 94	-
Notes	-

7 recorded references.

Expedition ID	Journal	Author	Title	Publisher	Citation	Yak 94
DHA575101	AAJ	Kawaguchi, Kenji	-	-	50:522 (1976)	-
DHA575101	JAC	Takeda, Shosaku	The First Ascent of Dhaulagiri V	-	70:10-12 (1975)	-
DHA575101	MM	-	-	-	46:13 (Nov 1975)	-
DHA575101	JAC	Takeda, Shosaku	The First Ascent of Dhaulagiri V	-	70:110-125 (1975)	-
DHA575101	IWA	-	-	-	48:147 (1976)	-
DHA575101	IWA	-	-	-	48:61 (1976)	-
DHA575101	-	-	http://publications.americanalpineclub.org/articles/12197652201/Asia-Nepal-Dhaulagiri-V	-	-	-