Langtang Lirung | 1986 SE Ridge

A Japan expedition to Langtang Lirung in 1986 via SE Ridge, led by Kenryo Numa. Summit reached on 3rd May 1986. 8 members recorded.

Expedition Details

Field	Value
ID	961
Imported	2026-03-06 18:04:49.359634
Expedition ID	LANG86101
Peak ID	LANG
Year	1986
Season	1
Host Country	1
Route 1	SE Ridge
Route 2	-
Route 3	-
Route 4	-
Nationality	Japan
Leaders	Kenryo Numa
Sponsor	Ohtani Himalaya Alpine Club Langtang Lirung Expedition 1986
Success 1	True
Success 2	False
Success 3	False
Success 4	False
Ascent 1	6th
Ascent 2	-
Ascent 3	-
Ascent 4	-
Claimed	False
Disputed	False
Countries	-
Approach	-
Basecamp Date	1986-03-23
Summit Date	1986-05-03
Summit Time	-
Summit Days	41
Total Days	0
Termination Date	-
Termination Reason	1
Termination Notes	-
High Point (m)	7227
Traverse	False
Ski	False
Paraglide	False
Camps	4
Fixed Rope (m)	0
Total Members	8
Summit Members	4
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(23/03,4160m),C1(28/03,4800m),C2(05/04,5600m),C3(24/04,6100m),C4(0/04,6450m),Smt(03/05)
Route Notes	BC at 4160m beside Langtang Glacier (west side) C1 at 4800m on plateau further up west side of Langtang Glacier C2 at 5600m on SE Ridge C3 at 6100m on SE Ridge C4 at 6450m on SE Ridge but slightly flat area. Very difficult mixed rock and ice knife edges above C2 required 900m fixed rope to C3 (total on mountain 2500m); otherwise easy route; rest hope for safety. Only 1 summit party because not enough food.
Accidents	None
Achievement	-
Agency	Yeti Mountaineering & Trekking
Commercial Route	-
Standard Route	-
Primary Route	False
Primary Member	False
Primary Reference	-
Primary ID	-
Checksum	2449215
Year	1986
Summit Success	True
O2 Summary	None
Route (lowercase)	se ridge

Members

Field	Value
ID	15969
Imported	2026-03-06 18:06:05.675609
Expedition ID	LANG86101
Member ID	03
Peak ID	LANG
Year	1986
Season	1
First Name	Toshiyuki
Last Name	Fukui
Sex	M
Age	0
Birth Date	-
Year of Birth	1957
Calculated Age	28
Citizenship	Japan
Status	Climber
Residence	Fukuyama, Hiroshima, Japan
Occupation	Mountaineering goods shopkeeper
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)	7227
Summit Date 1	1986-05-03
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	6
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	2434056
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	toshiyuki fukui
Year of Birth	1957
Year	1986
Age at Expedition	29
Role	Member

Field	Value
ID	15970
Imported	2026-03-06 18:06:05.675609
Expedition ID	LANG86101
Member ID	04
Peak ID	LANG
Year	1986
Season	1
First Name	Toshiaki
Last Name	Jinnai
Sex	M
Age	0
Birth Date	-
Year of Birth	1960
Calculated Age	26
Citizenship	Japan
Status	Climber
Residence	Kyoto, Japan
Occupation	Buddhist monk
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	2434906
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	toshiaki jinnai
Year of Birth	1960
Year	1986
Age at Expedition	26
Role	Member

Field	Value
ID	15971
Imported	2026-03-06 18:06:05.675609
Expedition ID	LANG86101
Member ID	05
Peak ID	LANG
Year	1986
Season	1
First Name	Takashi
Last Name	Miyazaki
Sex	M
Age	0
Birth Date	-
Year of Birth	1953
Calculated Age	32
Citizenship	Japan
Status	BC Manager
Residence	Oguni, Kumamoto, Japan
Occupation	Researcher, Nepali Buddhism
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	2432443
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	takashi miyazaki
Year of Birth	1953
Year	1986
Age at Expedition	33
Role	BC Only

Field	Value
ID	15972
Imported	2026-03-06 18:06:05.675609
Expedition ID	LANG86101
Member ID	01
Peak ID	LANG
Year	1986
Season	1
First Name	Kenryo
Last Name	Numa
Sex	M
Age	0
Birth Date	-
Year of Birth	1942
Calculated Age	43
Citizenship	Japan
Status	Leader
Residence	Ogaki, Gifu, Japan
Occupation	Buddhist monk
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	2428526
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	kenryo numa
Year of Birth	1942
Year	1986
Age at Expedition	44
Role	Leader

Field	Value
ID	15973
Imported	2026-03-06 18:06:05.675609
Expedition ID	LANG86101
Member ID	02
Peak ID	LANG
Year	1986
Season	1
First Name	Fukashi
Last Name	Suzuki
Sex	M
Age	0
Birth Date	-
Year of Birth	1951
Calculated Age	34
Citizenship	Japan
Status	Deputy Leader
Residence	Sakae, Niigata, Japan
Occupation	Buddhist monk
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	2431810
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	fukashi suzuki
Year of Birth	1951
Year	1986
Age at Expedition	35
Role	Deputy

Field	Value
ID	15974
Imported	2026-03-06 18:06:05.675609
Expedition ID	LANG86101
Member ID	06
Peak ID	LANG
Year	1986
Season	1
First Name	Tomoharu
Last Name	Tada
Sex	M
Age	0
Birth Date	-
Year of Birth	1962
Calculated Age	23
Citizenship	Japan
Status	Climber
Residence	Kyoto, Japan
Occupation	Otani University student
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)	7227
Summit Date 1	1986-05-03
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	6
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	2435924
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	tomoharu tada
Year of Birth	1962
Year	1986
Age at Expedition	24
Role	Member

Field	Value
ID	15975
Imported	2026-03-06 18:06:05.675609
Expedition ID	LANG86101
Member ID	07
Peak ID	LANG
Year	1986
Season	1
First Name	Takayoshi
Last Name	Taga
Sex	M
Age	0
Birth Date	-
Year of Birth	1961
Calculated Age	24
Citizenship	Japan
Status	Climber
Residence	Kyoto, Japan
Occupation	Motorcar engineer
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)	7227
Summit Date 1	1986-05-03
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	6
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	2435461
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	takayoshi taga
Year of Birth	1961
Year	1986
Age at Expedition	25
Role	Member

Field	Value
ID	15976
Imported	2026-03-06 18:06:05.675609
Expedition ID	LANG86101
Member ID	08
Peak ID	LANG
Year	1986
Season	1
First Name	Takashi
Last Name	Takeuchi
Sex	M
Age	0
Birth Date	-
Year of Birth	1962
Calculated Age	24
Citizenship	Japan
Status	Climber
Residence	Kyoto, Japan
Occupation	Electrical engineer
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)	7227
Summit Date 1	1986-05-03
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	6
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	2435660
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	takashi takeuchi
Year of Birth	1962
Year	1986
Age at Expedition	24
Role	Member

8 recorded members.

Name	Sex	Year of Birth	Citizenship	Status	Residence	Occupation
Toshiyuki Fukui	M	1957	Japan	Climber	Fukuyama, Hiroshima, Japan	Mountaineering goods shopkeeper	Details Other expeditions
Toshiaki Jinnai	M	1960	Japan	Climber	Kyoto, Japan	Buddhist monk	Details Other expeditions
Takashi Miyazaki	M	1953	Japan	BC Manager	Oguni, Kumamoto, Japan	Researcher, Nepali Buddhism	Details Other expeditions
Kenryo Numa	M	1942	Japan	Leader	Ogaki, Gifu, Japan	Buddhist monk	Details Other expeditions
Fukashi Suzuki	M	1951	Japan	Deputy Leader	Sakae, Niigata, Japan	Buddhist monk	Details Other expeditions
Tomoharu Tada	M	1962	Japan	Climber	Kyoto, Japan	Otani University student	Details Other expeditions
Takayoshi Taga	M	1961	Japan	Climber	Kyoto, Japan	Motorcar engineer	Details Other expeditions
Takashi Takeuchi	M	1962	Japan	Climber	Kyoto, Japan	Electrical engineer	Details Other expeditions

References

Field	Value
ID	265
Imported	2026-03-06 18:06:36.307770
Expedition ID	LANG86101
Reference ID	01
Year	1986
Type	2
Journal	AAJ
Author	Numa, Kenryo
Title	-
Publisher	-
Publication Date	1987
Language	-
Citation	61:244-245 (1987)
Yak 94	-
Notes	-

Field	Value
ID	4266
Imported	2026-03-06 18:06:36.307770
Expedition ID	LANG86101
Reference ID	02
Year	1986
Type	3
Journal	MM
Author	-
Title	-
Publisher	-
Publication Date	1986
Language	-
Citation	110:10 (Jul 1986)
Yak 94	-
Notes	-

Field	Value
ID	6688
Imported	2026-03-06 18:06:36.307770
Expedition ID	LANG86101
Reference ID	03
Year	1986
Type	3
Journal	IWA
Author	-
Title	-
Publisher	-
Publication Date	1987
Language	Japanese w/English summary
Citation	:270 (1987)
Yak 94	-
Notes	-

Field	Value
ID	6900
Imported	2026-03-06 18:06:36.307770
Expedition ID	LANG86101
Reference ID	04
Year	1986
Type	3
Journal	IWA
Author	-
Title	-
Publisher	-
Publication Date	1987
Language	Japanese
Citation	:67 (1987)
Yak 94	-
Notes	-

Field	Value
ID	12361
Imported	2026-03-06 18:06:36.307770
Expedition ID	LANG86101
Reference ID	05
Year	1986
Type	5
Journal	-
Author	-
Title	http://publications.americanalpineclub.org/articles/12198724403/Asia-Nepal-Langtang-Lirung
Publisher	-
Publication Date	-
Language	-
Citation	-
Yak 94	-
Notes	-

5 recorded references.

Expedition ID	Journal	Author	Title	Publisher	Citation	Yak 94
LANG86101	AAJ	Numa, Kenryo	-	-	61:244-245 (1987)	-
LANG86101	MM	-	-	-	110:10 (Jul 1986)	-
LANG86101	IWA	-	-	-	:270 (1987)	-
LANG86101	IWA	-	-	-	:67 (1987)	-
LANG86101	-	-	http://publications.americanalpineclub.org/articles/12198724403/Asia-Nepal-Langtang-Lirung	-	-	-