Langtang Ri | 1981 SW Ridge

A Japan expedition to Langtang Ri in 1981 via SW Ridge, led by Hideyuki Uematsu. Summit reached on 10th October 1981. 11 members recorded.

Expedition Details

Field	Value
ID	1806
Imported	2026-03-06 18:04:49.359634
Expedition ID	LANR81301
Peak ID	LANR
Year	1981
Season	3
Host Country	1
Route 1	SW Ridge
Route 2	-
Route 3	-
Route 4	-
Nationality	Japan
Leaders	Hideyuki Uematsu
Sponsor	NMA-HAJ Joint Expedition to Mt Langtang Ri 1981
Success 1	True
Success 2	False
Success 3	False
Success 4	False
Ascent 1	1st,2nd
Ascent 2	-
Ascent 3	-
Ascent 4	-
Claimed	False
Disputed	False
Countries	Nepal
Approach	-
Basecamp Date	1981-09-20
Summit Date	1981-10-10
Summit Time	1120
Summit Days	20
Total Days	24
Termination Date	1981-10-14
Termination Reason	1
Termination Notes	-
High Point (m)	7205
Traverse	False
Ski	False
Paraglide	False
Camps	3
Fixed Rope (m)	0
Total Members	10
Summit Members	6
Member Deaths	0
Total Hired	1
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	True
O2 Unknown	False
Other Summits	-
Campsites	BC(20/09,4940m),C1(22/09,5550m),C2(30/09,6450m),C3(03/10,6630m),Smt(10-11/10)
Route Notes	Yamada & Uematsu - 22 Oct 81 BC 4940m 20 Sept C1 5500m 22 Sept C2 6450m 30 Sept right after big storm C3 6630m 3 Oct Summit 10 Oct by Yamada, Wakao, Nasu and Ang Rinji Sherpa Summit 11 Oct by Iizawa and Nakaoka Route was South Ridge; sharp snow ridge C2 to top so little difficult; this route the least difficult on the mountain. Avalanches not problem, but lot of snow in big storm at end of of Sept: at C1 8 members had 1.5m snow and busy shovelling it away. After C3 established, all down to BC for rest 2-3 days, then up to summit. 10 Oct first summit attempt. Oxygen never used. No accidents, frostbite or illness. Route really not so difficult, but needs fixed rope. Sharma, Tourism - 18 Oct 81 Langtang Ri 7239m opened this May Virgin peak; its expedition led Hideyuki Uematasu Summit reached from SW Ridge Oct 10 and 11 by 6 people total 1st man to step on summit at 11:20 am 10 Oct was: Ang Rinzi Sherpa, 27, representative of NMA Next: Noburu Yamada, 1950, Numata, Gunma Makihiro Wakao, 1949, Nagano Soichi Nasu, 1952, Nagai, Yamagata Japanese and Nepalese flags and photos of TM's Left C3 (6630m established on 30 Oct) in morning; stayed on top 40 minutes, took photos; returned to C3 same day. Oct 11 summiters were: Minoru Iizawa, 1950, Nagai, Yamagata Isashi Nakaoka, 1949, Sakai, Ibaragi Meiji Returned to C3 same day Oct 14 leaving BC, according to LO letter that morning; arrive KTM after 4-5 days. Wakao & Kikuchi - 11 Aug 81 Route= SW Ridge Langtang Ri never attempted before; at border, are of Nepalese highest unclimbed peaks 2nd Japanese member arrived KTM 22 Aug and other 4 arrived 31 Aug 3 Nepalese members Leave KTM about 10 Sept Trisuli Bazaar to Trisuli River to Langtang Khola to Langtang Glacier BC 5100m on Langtang Glacier Route to col at 5760m end of Chusundo Peak (6508m) to Tilman's Col C1 at Tilman's Col 5670m col Thence along SW Ridge with 2 more camps C3 at about 6800m Arrive BC 21-22 Sept Summit about 15-20 Oct Wakao did recce to Tilman's Col a month ago and says route looks easy 1 HA porter Oxygen for medical
Accidents	-
Achievement	-
Agency	-
Commercial Route	-
Standard Route	-
Primary Route	False
Primary Member	False
Primary Reference	-
Primary ID	-
Checksum	2447544
Year	1981
Summit Success	True
O2 Summary	None
Route (lowercase)	sw ridge

Members

Field	Value
ID	16127
Imported	2026-03-06 18:06:05.675609
Expedition ID	LANR81301
Member ID	02
Peak ID	LANR
Year	1981
Season	3
First Name	Minoru
Last Name	Iizawa
Sex	M
Age	0
Birth Date	-
Year of Birth	1950
Calculated Age	31
Citizenship	Japan
Status	Deputy Leader
Residence	Nagai, Yamagata, Japan
Occupation	Nagai City official
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)	7205
Summit Date 1	1981-10-11
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	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	2431456
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	minoru iizawa
Year of Birth	1950
Year	1981
Age at Expedition	31
Role	Deputy

Field	Value
ID	16128
Imported	2026-03-06 18:06:05.675609
Expedition ID	LANR81301
Member ID	05
Peak ID	LANR
Year	1981
Season	3
First Name	Soichi
Last Name	Nasu
Sex	M
Age	0
Birth Date	-
Year of Birth	1952
Calculated Age	28
Citizenship	Japan
Status	Climber
Residence	Nagai, Yamagata, Japan
Occupation	Nagai City official
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)	7205
Summit Date 1	1981-10-10
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1125
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	2432384
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	soichi nasu
Year of Birth	1952
Year	1981
Age at Expedition	29
Role	Member

Field	Value
ID	16129
Imported	2026-03-06 18:06:05.675609
Expedition ID	LANR81301
Member ID	01
Peak ID	LANR
Year	1981
Season	3
First Name	Hideyuki
Last Name	Uematsu
Sex	M
Age	0
Birth Date	-
Year of Birth	1939
Calculated Age	42
Citizenship	Japan
Status	Leader
Residence	Nagai, Yamagata, Japan
Occupation	Public official of Yamagata prefecture
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	2427579
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	hideyuki uematsu
Year of Birth	1939
Year	1981
Age at Expedition	42
Role	Leader

Field	Value
ID	16130
Imported	2026-03-06 18:06:05.675609
Expedition ID	LANR81301
Member ID	09
Peak ID	LANR
Year	1981
Season	3
First Name	Makihiro
Last Name	Wakao
Sex	M
Age	0
Birth Date	-
Year of Birth	1949
Calculated Age	32
Citizenship	Japan
Status	Climber
Residence	Tatsuno, Nagano, Japan
Occupation	Heavy industrial machine operator
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)	7205
Summit Date 1	1981-10-10
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1125
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	2431129
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	makihiro wakao
Year of Birth	1949
Year	1981
Age at Expedition	32
Role	Member

Field	Value
ID	16131
Imported	2026-03-06 18:06:05.675609
Expedition ID	LANR81301
Member ID	03
Peak ID	LANR
Year	1981
Season	3
First Name	Noboru
Last Name	Yamada
Sex	M
Age	0
Birth Date	-
Year of Birth	1950
Calculated Age	31
Citizenship	Japan
Status	Climbing Leader
Residence	Numata, Gunma, Japan
Occupation	Physician
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)	7205
Summit Date 1	1981-10-10
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1125
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	(1950-1989) Died Feb 1989 on Denali from falling
Summit Bid	5
Summit Term	1
HCN	0
Checksum	2431346
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	noboru yamada
Year of Birth	1950
Year	1981
Age at Expedition	31
Role	Deputy

Field	Value
ID	16132
Imported	2026-03-06 18:06:05.675609
Expedition ID	LANR81301
Member ID	10
Peak ID	LANR
Year	1981
Season	3
First Name	Masaaki
Last Name	Yuki
Sex	M
Age	0
Birth Date	-
Year of Birth	1952
Calculated Age	29
Citizenship	Japan
Status	Exp Doctor
Residence	Yamagata-shi, Yamagata, Japan
Occupation	Physician
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	2432303
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	masaaki yuki
Year of Birth	1952
Year	1981
Age at Expedition	29
Role	Member

Field	Value
ID	16133
Imported	2026-03-06 18:06:05.675609
Expedition ID	LANR81301
Member ID	04
Peak ID	LANR
Year	1981
Season	3
First Name	Isashi
Last Name	Nakaoka
Sex	M
Age	0
Birth Date	-
Year of Birth	-
Calculated Age	32
Citizenship	Japan
Status	Climber
Residence	Sakai, Ibaragi, Japan
Occupation	Meiji University staff member
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	False
Sherpa	False
Tibetan	False
Summit Success	True
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	-
High Point (m)	True
Personal High Point (m)	7205
Summit Date 1	1981-10-11
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	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	-26
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	isashi nakaoka
Year of Birth	-
Year	1981
Age at Expedition	-
Role	Member

Field	Value
ID	16134
Imported	2026-03-06 18:06:05.675609
Expedition ID	LANR81301
Member ID	08
Peak ID	LANR
Year	1981
Season	3
First Name	Sange
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	-
Calculated Age	42
Citizenship	Nepal
Status	Climber
Residence	Chaurikharka, Khumbu
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	False
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	18
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	sange sherpa
Year of Birth	-
Year	1981
Age at Expedition	-
Role	Member

Field	Value
ID	16135
Imported	2026-03-06 18:06:05.675609
Expedition ID	LANR81301
Member ID	07
Peak ID	LANR
Year	1981
Season	3
First Name	Ang Rita
Last Name	Sherpa
Sex	F
Age	0
Birth Date	-
Year of Birth	-
Calculated Age	32
Citizenship	Nepal
Status	Climber
Residence	Chaurikharka, Khumbu
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	False
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	18
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	ang rita sherpa
Year of Birth	-
Year	1981
Age at Expedition	-
Role	Member

Field	Value
ID	16136
Imported	2026-03-06 18:06:05.675609
Expedition ID	LANR81301
Member ID	06
Peak ID	LANR
Year	1981
Season	3
First Name	Ang Rinji
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	-
Calculated Age	27
Citizenship	Nepal
Status	Climber
Residence	Chaurikharka, Khumbu
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	False
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)	7205
Summit Date 1	1981-10-10
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1120
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	-26
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	ang rinji sherpa
Year of Birth	-
Year	1981
Age at Expedition	-
Role	Member

Field	Value
ID	41676
Imported	2026-03-06 18:06:05.675609
Expedition ID	LANR81301
Member ID	11
Peak ID	LANR
Year	1981
Season	3
First Name	Dawa Gyaltsen
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	-
Calculated Age	44
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	0
Summit Term	0
HCN	0
Checksum	18
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	dawa gyaltsen sherpa
Year of Birth	-
Year	1981
Age at Expedition	-
Role	Hired

11 recorded members.

Name	Sex	Year of Birth	Citizenship	Status	Residence	Occupation
Minoru Iizawa	M	1950	Japan	Deputy Leader	Nagai, Yamagata, Japan	Nagai City official	Details Other expeditions
Soichi Nasu	M	1952	Japan	Climber	Nagai, Yamagata, Japan	Nagai City official	Details Other expeditions
Hideyuki Uematsu	M	1939	Japan	Leader	Nagai, Yamagata, Japan	Public official of Yamagata prefecture	Details Other expeditions
Makihiro Wakao	M	1949	Japan	Climber	Tatsuno, Nagano, Japan	Heavy industrial machine operator	Details Other expeditions
Noboru Yamada	M	1950	Japan	Climbing Leader	Numata, Gunma, Japan	Physician	Details Other expeditions
Masaaki Yuki	M	1952	Japan	Exp Doctor	Yamagata-shi, Yamagata, Japan	Physician	Details Other expeditions
Isashi Nakaoka	M	-	Japan	Climber	Sakai, Ibaragi, Japan	Meiji University staff member	Details Other expeditions
Sange Sherpa	M	-	Nepal	Climber	Chaurikharka, Khumbu	-	Details Other expeditions
Ang Rita Sherpa	F	-	Nepal	Climber	Chaurikharka, Khumbu	-	Details Other expeditions
Ang Rinji Sherpa	M	-	Nepal	Climber	Chaurikharka, Khumbu	-	Details Other expeditions
Dawa Gyaltsen Sherpa	M	-	Nepal	Sirdar	-	-	Details Other expeditions

References

Field	Value
ID	1895
Imported	2026-03-06 18:06:36.307770
Expedition ID	LANR81301
Reference ID	01
Year	1981
Type	2
Journal	AAJ
Author	Cheney, Michael J. & Hawley, Elizabeth
Title	-
Publisher	-
Publication Date	1982
Language	-
Citation	56:223 (1982)
Yak 94	-
Notes	-

Field	Value
ID	3984
Imported	2026-03-06 18:06:36.307770
Expedition ID	LANR81301
Reference ID	02
Year	1981
Type	3
Journal	MM
Author	-
Title	-
Publisher	-
Publication Date	1982
Language	-
Citation	83:10 (Jan 1982)
Yak 94	-
Notes	-

Field	Value
ID	5548
Imported	2026-03-06 18:06:36.307770
Expedition ID	LANR81301
Reference ID	03
Year	1981
Type	2
Journal	JAC
Author	Uematsu, Hideyuki
Title	First Ascent of Langtang Ri in 1981
Publisher	-
Publication Date	1982
Language	English
Citation	77:9-10 (1982)
Yak 94	-
Notes	Photo and route map in English included in Japanese section

Field	Value
ID	6036
Imported	2026-03-06 18:06:36.307770
Expedition ID	LANR81301
Reference ID	04
Year	1981
Type	2
Journal	JAC
Author	Uematsu, Hideyuki
Title	First Ascent of Langtang Ri in 1981
Publisher	-
Publication Date	1982
Language	Japanese
Citation	77:33-38 (1982)
Yak 94	-
Notes	Includes photos and route map in English

Field	Value
ID	6620
Imported	2026-03-06 18:06:36.307770
Expedition ID	LANR81301
Reference ID	05
Year	1981
Type	3
Journal	IWA
Author	-
Title	-
Publisher	-
Publication Date	1982
Language	Japanese w/English summary
Citation	88:188 (1982)
Yak 94	-
Notes	-

Field	Value
ID	6974
Imported	2026-03-06 18:06:36.307770
Expedition ID	LANR81301
Reference ID	06
Year	1981
Type	3
Journal	IWA
Author	-
Title	-
Publisher	-
Publication Date	1982
Language	Japanese
Citation	88:45 (1982)
Yak 94	-
Notes	-

Field	Value
ID	12834
Imported	2026-03-06 18:06:36.307770
Expedition ID	LANR81301
Reference ID	07
Year	1981
Type	5
Journal	-
Author	-
Title	http://publications.americanalpineclub.org/articles/12198222301/Asia-Nepal-Langtang-Ri
Publisher	-
Publication Date	-
Language	-
Citation	-
Yak 94	-
Notes	-

7 recorded references.

Expedition ID	Journal	Author	Title	Publisher	Citation	Yak 94
LANR81301	AAJ	Cheney, Michael J. & Hawley, Elizabeth	-	-	56:223 (1982)	-
LANR81301	MM	-	-	-	83:10 (Jan 1982)	-
LANR81301	JAC	Uematsu, Hideyuki	First Ascent of Langtang Ri in 1981	-	77:9-10 (1982)	-
LANR81301	JAC	Uematsu, Hideyuki	First Ascent of Langtang Ri in 1981	-	77:33-38 (1982)	-
LANR81301	IWA	-	-	-	88:188 (1982)	-
LANR81301	IWA	-	-	-	88:45 (1982)	-
LANR81301	-	-	http://publications.americanalpineclub.org/articles/12198222301/Asia-Nepal-Langtang-Ri	-	-	-