Langshisa Ri | 1989 SE Ridge-SW Summit

A S Korea expedition to Langshisa Ri in 1989 via SE Ridge-SW Summit, led by Oh In-Hwan. Summit reached on 20th April 1989. 3 members recorded.

Expedition Details

Field	Value
ID	817
Imported	2026-03-06 18:04:49.359634
Expedition ID	LSIS89101
Peak ID	LSIS
Year	1989
Season	1
Host Country	1
Route 1	SE Ridge-SW Summit
Route 2	S Face
Route 3	-
Route 4	-
Nationality	S Korea
Leaders	Oh In-Hwan
Sponsor	Korean Expedition to Langshisa Ri
Success 1	False
Success 2	True
Success 3	False
Success 4	False
Ascent 1	-
Ascent 2	7th
Ascent 3	-
Ascent 4	-
Claimed	False
Disputed	False
Countries	-
Approach	Via Langtang Khola
Basecamp Date	1989-04-12
Summit Date	1989-04-20
Summit Time	1130
Summit Days	8
Total Days	0
Termination Date	-
Termination Reason	1
Termination Notes	-
High Point (m)	6412
Traverse	False
Ski	False
Paraglide	False
Camps	2
Fixed Rope (m)	0
Total Members	2
Summit Members	1
Member Deaths	0
Total Hired	1
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 SW Smt of Langshisa Ri
Campsites	BC(12/04,4300m),ABC(13/04,4700m),C1(14/04,5400m),C2(18/04,5800m),Smt(20/04)
Route Notes	BC at Langshisa Kharka ABC towards Langshisa Glacier C1 on West Face of southwest part of SE Ridge C2 on South Face of main peak. Very steep snow face above ABC to C1 at end of (plateau atop) face to Langshisa Ri's SW Peak. On 16th April Park and Nima Tamang to top of SW Peak (6154m) by mistake; down in bad weather to BC. 15th April again up to C1, next day 2 men made C2 on main peak's S Face; started from C2 at 3:30 am, top 11:30 am, 12 left top, arrived BC 11:30 pm.
Accidents	Park fell 3-4m in descent from SW Peak but not hurt
Achievement	1st Korean ascent in 1st attempt
Agency	Machhapuchare
Commercial Route	-
Standard Route	-
Primary Route	False
Primary Member	False
Primary Reference	-
Primary ID	-
Checksum	2450481
Year	1989
Summit Success	True
O2 Summary	None
Route (lowercase)	se ridge-sw summit

Members

Field	Value
ID	16967
Imported	2026-03-06 18:06:05.675609
Expedition ID	LSIS89101
Member ID	01
Peak ID	LSIS
Year	1989
Season	1
First Name	In-Hwan
Last Name	Oh
Sex	M
Age	0
Birth Date	-
Year of Birth	1946
Calculated Age	42
Citizenship	S Korea
Status	Leader
Residence	Seoul, S Korea
Occupation	Travel agency owner
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	19
HCN	0
Checksum	2429944
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	in-hwan oh
Year of Birth	1946
Year	1989
Age at Expedition	43
Role	Leader

Field	Value
ID	16968
Imported	2026-03-06 18:06:05.675609
Expedition ID	LSIS89101
Member ID	02
Peak ID	LSIS
Year	1989
Season	1
First Name	Young-Seok
Last Name	Park
Sex	M
Age	0
Birth Date	-
Year of Birth	1963
Calculated Age	25
Citizenship	S Korea
Status	Climber
Residence	Seoul, S Korea
Occupation	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)	6412
Summit Date 1	1989-04-20
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1130
Summit Time 2	-
Summit Time 3	-
Route 1	2
Route 2	0
Route 3	0
Ascent 1	7
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	(1963-2011) Died 18 Oct 2011 on Annapurna I from presumed avalanche
Summit Bid	5
Summit Term	1
HCN	0
Checksum	2436191
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	young-seok park
Year of Birth	1963
Year	1989
Age at Expedition	26
Role	Member

Field	Value
ID	16969
Imported	2026-03-06 18:06:05.675609
Expedition ID	LSIS89101
Member ID	03
Peak ID	LSIS
Year	1989
Season	1
First Name	Nima
Last Name	Tamang
Sex	M
Age	0
Birth Date	-
Year of Birth	-
Calculated Age	0
Citizenship	Nepal
Status	H-A Worker
Residence	-
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)	6412
Summit Date 1	1989-04-20
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1130
Summit Time 2	-
Summit Time 3	-
Route 1	2
Route 2	0
Route 3	0
Ascent 1	7
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	-182
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	nima tamang
Year of Birth	-
Year	1989
Age at Expedition	-
Role	Hired

3 recorded members.

Name	Sex	Year of Birth	Citizenship	Status	Residence	Occupation
In-Hwan Oh	M	1946	S Korea	Leader	Seoul, S Korea	Travel agency owner	Details Other expeditions
Young-Seok Park	M	1963	S Korea	Climber	Seoul, S Korea	University student	Details Other expeditions
Nima Tamang	M	-	Nepal	H-A Worker	-	-	Details Other expeditions

References

Field	Value
ID	618
Imported	2026-03-06 18:06:36.307770
Expedition ID	LSIS89101
Reference ID	01
Year	1989
Type	2
Journal	AAJ
Author	Hawley, Elizabeth
Title	-
Publisher	-
Publication Date	1990
Language	-
Citation	64:239-240 (1990)
Yak 94	-
Notes	-

Field	Value
ID	11751
Imported	2026-03-06 18:06:36.307770
Expedition ID	LSIS89101
Reference ID	02
Year	1989
Type	5
Journal	-
Author	-
Title	http://publications.americanalpineclub.org/articles/12199023903/Asia-Nepal-Langsisa-Ri
Publisher	-
Publication Date	-
Language	-
Citation	-
Yak 94	-
Notes	-

2 recorded references.

Expedition ID	Journal	Author	Title	Publisher	Citation	Yak 94
LSIS89101	AAJ	Hawley, Elizabeth	-	-	64:239-240 (1990)	-
LSIS89101	-	-	http://publications.americanalpineclub.org/articles/12199023903/Asia-Nepal-Langsisa-Ri	-	-	-