Annapurna IV | 1998 NW Ridge

A Japan expedition to Annapurna IV in 1998 via NW Ridge, led by Kazuki Yoshino. Summit reached on 18th April 1998. 10 members recorded.

Expedition Details

Field	Value
ID	2558
Imported	2026-03-06 18:04:49.359634
Expedition ID	ANN498101
Peak ID	ANN4
Year	1998
Season	1
Host Country	1
Route 1	NW Ridge
Route 2	-
Route 3	-
Route 4	-
Nationality	Japan
Leaders	Kazuki Yoshino
Sponsor	Kyushu Annapurna IV Expedition
Success 1	True
Success 2	False
Success 3	False
Success 4	False
Ascent 1	29th,30th
Ascent 2	-
Ascent 3	-
Ascent 4	-
Claimed	False
Disputed	False
Countries	-
Approach	-
Basecamp Date	1998-04-10
Summit Date	1998-04-18
Summit Time	-
Summit Days	8
Total Days	0
Termination Date	-
Termination Reason	1
Termination Notes	-
High Point (m)	7525
Traverse	False
Ski	False
Paraglide	False
Camps	3
Fixed Rope (m)	500
Total Members	7
Summit Members	5
Member Deaths	0
Total Hired	3
Summit Hired	3
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(10/04,4700m),C1(12/04,5300m),C2(15/04,5800m),C3(17/04,6300m),Smt(18,20/04)
Route Notes	C1 on north face of NW Ridge C2 on north face of NW Ridge C3 on NW Ridge.
Accidents	Tagami and Nishimura slight frostbite
Achievement	-
Agency	Cosmo Treks
Commercial Route	-
Standard Route	-
Primary Route	False
Primary Member	False
Primary Reference	-
Primary ID	-
Checksum	2456025
Year	1998
Summit Success	True
O2 Summary	None
Route (lowercase)	nw ridge

Members

Field	Value
ID	3083
Imported	2026-03-06 18:06:05.675609
Expedition ID	ANN498101
Member ID	02
Peak ID	ANN4
Year	1998
Season	1
First Name	Futagami
Last Name	Hideaki
Sex	M
Age	0
Birth Date	-
Year of Birth	1968
Calculated Age	30
Citizenship	Japan
Status	Climber
Residence	Nagasaki, Japan
Occupation	Lumber dealer
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	2437769
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	futagami hideaki
Year of Birth	1968
Year	1998
Age at Expedition	30
Role	Member

Field	Value
ID	3084
Imported	2026-03-06 18:06:05.675609
Expedition ID	ANN498101
Member ID	03
Peak ID	ANN4
Year	1998
Season	1
First Name	Akitsugu
Last Name	Noshimura
Sex	M
Age	0
Birth Date	-
Year of Birth	1950
Calculated Age	47
Citizenship	Japan
Status	Climber
Residence	Matsubase, Kumamoto, Japan
Occupation	Chemical 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)	7525
Summit Date 1	1998-04-20
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	30
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	2431490
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	akitsugu noshimura
Year of Birth	1950
Year	1998
Age at Expedition	48
Role	Member

Field	Value
ID	3085
Imported	2026-03-06 18:06:05.675609
Expedition ID	ANN498101
Member ID	04
Peak ID	ANN4
Year	1998
Season	1
First Name	Yoshiaki
Last Name	Sugiyama
Sex	M
Age	0
Birth Date	-
Year of Birth	1946
Calculated Age	51
Citizenship	Japan
Status	Climber
Residence	Nagasaki, Japan
Occupation	Mountaineering equipment shop 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)	7525
Summit Date 1	1998-04-18
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	29
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	2429907
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	yoshiaki sugiyama
Year of Birth	1946
Year	1998
Age at Expedition	52
Role	Member

Field	Value
ID	3086
Imported	2026-03-06 18:06:05.675609
Expedition ID	ANN498101
Member ID	05
Peak ID	ANN4
Year	1998
Season	1
First Name	Kazuhiro
Last Name	Tagami
Sex	M
Age	0
Birth Date	-
Year of Birth	1957
Calculated Age	40
Citizenship	Japan
Status	Climber
Residence	Omuta, Fukuoka, Japan
Occupation	Mountaineering equipment shop 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)	7525
Summit Date 1	1998-04-18
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	29
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	2434038
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	kazuhiro tagami
Year of Birth	1957
Year	1998
Age at Expedition	41
Role	Member

Field	Value
ID	3087
Imported	2026-03-06 18:06:05.675609
Expedition ID	ANN498101
Member ID	06
Peak ID	ANN4
Year	1998
Season	1
First Name	Nobutaka
Last Name	Tsuji
Sex	M
Age	0
Birth Date	-
Year of Birth	1967
Calculated Age	30
Citizenship	Japan
Status	Climber
Residence	Fukuoka-shi, Fukuoka, Japan
Occupation	Office worker
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	False
Sherpa	False
Tibetan	False
Summit Success	True
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	-
High Point (m)	True
Personal High Point (m)	7525
Summit Date 1	1998-04-18
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	29
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	2437561
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	nobutaka tsuji
Year of Birth	1967
Year	1998
Age at Expedition	31
Role	Member

Field	Value
ID	3088
Imported	2026-03-06 18:06:05.675609
Expedition ID	ANN498101
Member ID	07
Peak ID	ANN4
Year	1998
Season	1
First Name	Atsuko
Last Name	Yoshino
Sex	F
Age	0
Birth Date	-
Year of Birth	1957
Calculated Age	41
Citizenship	Japan
Status	Climber
Residence	Nagasaki, Japan
Occupation	Pharmacist
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	C3 only
Necrology	-
Summit Bid	0
Summit Term	0
HCN	0
Checksum	2433774
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	atsuko yoshino
Year of Birth	1957
Year	1998
Age at Expedition	41
Role	Member

Field	Value
ID	3089
Imported	2026-03-06 18:06:05.675609
Expedition ID	ANN498101
Member ID	01
Peak ID	ANN4
Year	1998
Season	1
First Name	Kazuki
Last Name	Yoshino
Sex	M
Age	0
Birth Date	-
Year of Birth	1940
Calculated Age	57
Citizenship	Japan
Status	Leader
Residence	Muta-shi, Fukuoka, Japan
Occupation	Retired electrical engineer
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)	7525
Summit Date 1	1998-04-18
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	29
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	2427824
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	kazuki yoshino
Year of Birth	1940
Year	1998
Age at Expedition	58
Role	Leader

Field	Value
ID	3090
Imported	2026-03-06 18:06:05.675609
Expedition ID	ANN498101
Member ID	08
Peak ID	ANN4
Year	1998
Season	1
First Name	Hasta Bahadur
Last Name	Gurung
Sex	M
Age	0
Birth Date	-
Year of Birth	1958
Calculated Age	39
Citizenship	Nepal
Status	H-A Worker
Residence	Sitalpati, Makalu-Barun
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	True
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)	7525
Summit Date 1	1998-04-18
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	29
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	-2120
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	hasta bahadur gurung
Year of Birth	1958
Year	1998
Age at Expedition	40
Role	Hired

Field	Value
ID	3091
Imported	2026-03-06 18:06:05.675609
Expedition ID	ANN498101
Member ID	09
Peak ID	ANN4
Year	1998
Season	1
First Name	Phura Chhiri (Phurba Chhiri)
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1969
Calculated Age	28
Citizenship	Nepal
Status	H-A Worker
Residence	Sakpharma, Lokhim-9, Solukhumbu
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	True
Sherpa	True
Tibetan	False
Summit Success	True
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	-
High Point (m)	True
Personal High Point (m)	7525
Summit Date 1	1998-04-18
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	29
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	2438221
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	phura chhiri (phurba chhiri) sherpa
Year of Birth	1969
Year	1998
Age at Expedition	29
Role	Hired

Field	Value
ID	3092
Imported	2026-03-06 18:06:05.675609
Expedition ID	ANN498101
Member ID	10
Peak ID	ANN4
Year	1998
Season	1
First Name	Tul Bahadur
Last Name	Tamang
Sex	M
Age	0
Birth Date	-
Year of Birth	1966
Calculated Age	31
Citizenship	Nepal
Status	H-A Worker
Residence	Deusa, Solukhumbu
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	True
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)	7525
Summit Date 1	1998-04-20
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	30
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	2437240
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	tul bahadur tamang
Year of Birth	1966
Year	1998
Age at Expedition	32
Role	Hired

10 recorded members.

Name	Sex	Year of Birth	Citizenship	Status	Residence	Occupation
Futagami Hideaki	M	1968	Japan	Climber	Nagasaki, Japan	Lumber dealer	Details Other expeditions
Akitsugu Noshimura	M	1950	Japan	Climber	Matsubase, Kumamoto, Japan	Chemical researcher	Details Other expeditions
Yoshiaki Sugiyama	M	1946	Japan	Climber	Nagasaki, Japan	Mountaineering equipment shop manager	Details Other expeditions
Kazuhiro Tagami	M	1957	Japan	Climber	Omuta, Fukuoka, Japan	Mountaineering equipment shop manager	Details Other expeditions
Nobutaka Tsuji	M	1967	Japan	Climber	Fukuoka-shi, Fukuoka, Japan	Office worker	Details Other expeditions
Atsuko Yoshino	F	1957	Japan	Climber	Nagasaki, Japan	Pharmacist	Details Other expeditions
Kazuki Yoshino	M	1940	Japan	Leader	Muta-shi, Fukuoka, Japan	Retired electrical engineer	Details Other expeditions
Hasta Bahadur Gurung	M	1958	Nepal	H-A Worker	Sitalpati, Makalu-Barun	-	Details Other expeditions
Phura Chhiri (Phurba Chhiri) Sherpa	M	1969	Nepal	H-A Worker	Sakpharma, Lokhim-9, Solukhumbu	-	Details Other expeditions
Tul Bahadur Tamang	M	1966	Nepal	H-A Worker	Deusa, Solukhumbu	-	Details Other expeditions

References

Field	Value
ID	5214
Imported	2026-03-06 18:06:36.307770
Expedition ID	ANN498101
Reference ID	01
Year	1998
Type	3
Journal	HIGH
Author	-
Title	-
Publisher	-
Publication Date	1998
Language	-
Citation	193:28 (Dec 1998)
Yak 94	-
Notes	-

1 recorded references.

Expedition ID	Journal	Author	Title	Publisher	Citation	Yak 94
ANN498101	HIGH	-	-	-	193:28 (Dec 1998)	-