Api Main | 1971 SW Face-W Ridge

A Japan expedition to Api Main in 1971 via SW Face-W Ridge, led by Katsuyuki Fukuzawa. Summit reached on 13th April 1971. 9 members recorded.

Expedition Details

Field	Value
ID	2665
Imported	2026-03-06 18:04:49.359634
Expedition ID	APIM71101
Peak ID	APIM
Year	1971
Season	1
Host Country	1
Route 1	SW Face-W Ridge
Route 2	-
Route 3	-
Route 4	-
Nationality	Japan
Leaders	Katsuyuki Fukuzawa
Sponsor	Matsumoto Alpine Club
Success 1	False
Success 2	False
Success 3	False
Success 4	False
Ascent 1	-
Ascent 2	-
Ascent 3	-
Ascent 4	-
Claimed	False
Disputed	False
Countries	-
Approach	Dhangarhi->Baitadi->Chamlia Khola
Basecamp Date	1971-03-24
Summit Date	1971-04-13
Summit Time	-
Summit Days	20
Total Days	0
Termination Date	-
Termination Reason	10
Termination Notes	Abandoned at 6000m due to difficult and dangerous route and bad weather
High Point (m)	6000
Traverse	False
Ski	False
Paraglide	False
Camps	2
Fixed Rope (m)	1200
Total Members	8
Summit Members	0
Member Deaths	0
Total Hired	5
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(24/03,4100m),C1.ABC(27/03,5000m),C2,xxx(13/04,6000m)
Route Notes	-
Accidents	-
Achievement	-
Agency	-
Commercial Route	-
Standard Route	-
Primary Route	False
Primary Member	False
Primary Reference	-
Primary ID	-
Checksum	2446131
Year	1971
Summit Success	False
O2 Summary	None
Route (lowercase)	sw face-w ridge

Members

Field	Value
ID	22475
Imported	2026-03-06 18:06:05.675609
Expedition ID	APIM71101
Member ID	01
Peak ID	APIM
Year	1971
Season	1
First Name	Katsuyuki
Last Name	Fukuzawa
Sex	M
Age	0
Birth Date	-
Year of Birth	1940
Calculated Age	31
Citizenship	Japan
Status	Leader
Residence	Hotaka Minakiazumi, Nagano, Japan
Occupation	Owner, guesthouse
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	1
Summit Term	12
HCN	0
Checksum	2427789
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	katsuyuki fukuzawa
Year of Birth	1940
Year	1971
Age at Expedition	31
Role	Leader

Field	Value
ID	26756
Imported	2026-03-06 18:06:05.675609
Expedition ID	APIM71101
Member ID	02
Peak ID	APIM
Year	1971
Season	1
First Name	Masayuki
Last Name	Takahashi
Sex	M
Age	0
Birth Date	-
Year of Birth	-
Calculated Age	0
Citizenship	Japan
Status	Deputy Leader
Residence	-
Occupation	-
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	1
Summit Term	12
HCN	0
Checksum	19
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	masayuki takahashi
Year of Birth	-
Year	1971
Age at Expedition	-
Role	Deputy

Field	Value
ID	26757
Imported	2026-03-06 18:06:05.675609
Expedition ID	APIM71101
Member ID	04
Peak ID	APIM
Year	1971
Season	1
First Name	Yoshiyuki
Last Name	Arai
Sex	M
Age	0
Birth Date	-
Year of Birth	-
Calculated Age	0
Citizenship	Japan
Status	Climber
Residence	-
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	False
Sherpa	False
Tibetan	False
Summit Success	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	12
HCN	0
Checksum	19
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	yoshiyuki arai
Year of Birth	-
Year	1971
Age at Expedition	-
Role	Member

Field	Value
ID	26758
Imported	2026-03-06 18:06:05.675609
Expedition ID	APIM71101
Member ID	03
Peak ID	APIM
Year	1971
Season	1
First Name	Teruyuki
Last Name	Anan
Sex	M
Age	0
Birth Date	-
Year of Birth	-
Calculated Age	0
Citizenship	Japan
Status	Climber
Residence	-
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	False
Sherpa	False
Tibetan	False
Summit Success	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	12
HCN	0
Checksum	19
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	teruyuki anan
Year of Birth	-
Year	1971
Age at Expedition	-
Role	Member

Field	Value
ID	26759
Imported	2026-03-06 18:06:05.675609
Expedition ID	APIM71101
Member ID	07
Peak ID	APIM
Year	1971
Season	1
First Name	Kunio
Last Name	Ushio
Sex	M
Age	0
Birth Date	-
Year of Birth	-
Calculated Age	0
Citizenship	Japan
Status	Climber
Residence	-
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	False
Sherpa	False
Tibetan	False
Summit Success	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	12
HCN	0
Checksum	19
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	kunio ushio
Year of Birth	-
Year	1971
Age at Expedition	-
Role	Member

Field	Value
ID	26760
Imported	2026-03-06 18:06:05.675609
Expedition ID	APIM71101
Member ID	08
Peak ID	APIM
Year	1971
Season	1
First Name	Hiroshi
Last Name	Watanabe
Sex	M
Age	0
Birth Date	-
Year of Birth	-
Calculated Age	0
Citizenship	Japan
Status	Climber
Residence	-
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	False
Sherpa	False
Tibetan	False
Summit Success	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	12
HCN	0
Checksum	19
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	hiroshi watanabe
Year of Birth	-
Year	1971
Age at Expedition	-
Role	Member

Field	Value
ID	26761
Imported	2026-03-06 18:06:05.675609
Expedition ID	APIM71101
Member ID	06
Peak ID	APIM
Year	1971
Season	1
First Name	Kenji
Last Name	Omoto
Sex	M
Age	0
Birth Date	-
Year of Birth	-
Calculated Age	0
Citizenship	Japan
Status	Climber
Residence	-
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	False
Sherpa	False
Tibetan	False
Summit Success	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	12
HCN	0
Checksum	19
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	kenji omoto
Year of Birth	-
Year	1971
Age at Expedition	-
Role	Member

Field	Value
ID	26762
Imported	2026-03-06 18:06:05.675609
Expedition ID	APIM71101
Member ID	05
Peak ID	APIM
Year	1971
Season	1
First Name	Ryoji
Last Name	Ichikawa
Sex	M
Age	0
Birth Date	-
Year of Birth	-
Calculated Age	0
Citizenship	Japan
Status	Climber
Residence	-
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	False
Sherpa	False
Tibetan	False
Summit Success	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	12
HCN	0
Checksum	19
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	ryoji ichikawa
Year of Birth	-
Year	1971
Age at Expedition	-
Role	Member

Field	Value
ID	26763
Imported	2026-03-06 18:06:05.675609
Expedition ID	APIM71101
Member ID	09
Peak ID	APIM
Year	1971
Season	1
First Name	Walung Dorje
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	-
Calculated Age	0
Citizenship	Nepal
Status	Sirdar
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	-
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	12
HCN	0
Checksum	20
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	walung dorje sherpa
Year of Birth	-
Year	1971
Age at Expedition	-
Role	Hired

9 recorded members.

Name	Sex	Year of Birth	Citizenship	Status	Residence	Occupation
Katsuyuki Fukuzawa	M	1940	Japan	Leader	Hotaka Minakiazumi, Nagano, Japan	Owner, guesthouse	Details Other expeditions
Masayuki Takahashi	M	-	Japan	Deputy Leader	-	-	Details Other expeditions
Yoshiyuki Arai	M	-	Japan	Climber	-	-	Details Other expeditions
Teruyuki Anan	M	-	Japan	Climber	-	-	Details Other expeditions
Kunio Ushio	M	-	Japan	Climber	-	-	Details Other expeditions
Hiroshi Watanabe	M	-	Japan	Climber	-	-	Details Other expeditions
Kenji Omoto	M	-	Japan	Climber	-	-	Details Other expeditions
Ryoji Ichikawa	M	-	Japan	Climber	-	-	Details Other expeditions
Walung Dorje Sherpa	M	-	Nepal	Sirdar	-	-	Details Other expeditions

References

Field	Value
ID	1310
Imported	2026-03-06 18:06:36.307770
Expedition ID	APIM71101
Reference ID	01
Year	1971
Type	2
Journal	AAJ
Author	Guha, Kamal K.
Title	-
Publisher	-
Publication Date	1972
Language	-
Citation	46:188-189 (1972)
Yak 94	-
Notes	-

Field	Value
ID	1547
Imported	2026-03-06 18:06:36.307770
Expedition ID	APIM71101
Reference ID	02
Year	1971
Type	2
Journal	HJ
Author	Fukuzawa, Katsuyuki
Title	The Japanese Mt. Api Expedition, 1971
Publisher	-
Publication Date	1971
Language	-
Citation	31:150-152 (1971)
Yak 94	-
Notes	-

Field	Value
ID	13176
Imported	2026-03-06 18:06:36.307770
Expedition ID	APIM71101
Reference ID	03
Year	1971
Type	5
Journal	-
Author	-
Title	http://publications.americanalpineclub.org/articles/12197218805/Asia-Nepal-Api
Publisher	-
Publication Date	-
Language	-
Citation	-
Yak 94	-
Notes	-

Field	Value
ID	13690
Imported	2026-03-06 18:06:36.307770
Expedition ID	APIM71101
Reference ID	04
Year	1971
Type	5
Journal	-
Author	-
Title	https://www.himalayanclub.org/hj/31/14/the-japanese-mt-api-expedition-1971/
Publisher	-
Publication Date	-
Language	-
Citation	-
Yak 94	-
Notes	-

4 recorded references.

Expedition ID	Journal	Author	Title	Publisher	Citation	Yak 94
APIM71101	AAJ	Guha, Kamal K.	-	-	46:188-189 (1972)	-
APIM71101	HJ	Fukuzawa, Katsuyuki	The Japanese Mt. Api Expedition, 1971	-	31:150-152 (1971)	-
APIM71101	-	-	http://publications.americanalpineclub.org/articles/12197218805/Asia-Nepal-Api	-	-	-
APIM71101	-	-	https://www.himalayanclub.org/hj/31/14/the-japanese-mt-api-expedition-1971/	-	-	-