Cho Oyu | 2011 NW side

A S Korea expedition to Cho Oyu in 2011 via NW side, led by Hong Bo-Seong. Summit reached on 23rd September 2011. 3 members recorded.

Expedition Details

Field	Value
ID	7515
Imported	2026-03-06 18:04:49.359634
Expedition ID	CHOY11307
Peak ID	CHOY
Year	2011
Season	3
Host Country	2
Route 1	NW side
Route 2	-
Route 3	-
Route 4	-
Nationality	S Korea
Leaders	Hong Bo-Seong
Sponsor	Dynamic Busan Cho Oyu Expedition
Success 1	True
Success 2	False
Success 3	False
Success 4	False
Ascent 1	-
Ascent 2	-
Ascent 3	-
Ascent 4	-
Claimed	False
Disputed	False
Countries	-
Approach	Zhangmu->Nyalam->Tingri
Basecamp Date	2011-09-02
Summit Date	2011-09-23
Summit Time	0945
Summit Days	21
Total Days	23
Termination Date	2011-09-25
Termination Reason	1
Termination Notes	-
High Point (m)	8188
Traverse	False
Ski	False
Paraglide	False
Camps	3
Fixed Rope (m)	200
Total Members	3
Summit Members	2
Member Deaths	0
Total Hired	0
Summit Hired	0
Hired Deaths	0
No Hired	True
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(02/09,4800m),ABC(04/09,5700m),C1(08/09,6400m),C2(14/09,7100m),C3(22/09,7550m),Smt(23/09)
Route Notes	Kim and Seo started their summit bid at 4 am CST from C3 on 23 Sept. They got to the top at 12 noon (9:45 am NST) and stayed on summit about one hour. Kim Jae-Soo and Son, other Korean climbers along with their Sherpa, were also on the summit at the same time. Kim and Seo descended C3 and spent the night there. Next day on 24 Sept they went down to BC. The summit day weather was cloudy and windy. About 300m long way up to summit had knee-deep snow. They had glimpse of Everest and Lhotse. On that day Kim Hong-Bin also summited.
Accidents	-
Achievement	-
Agency	Windhorse Trekking
Commercial Route	True
Standard Route	True
Primary Route	False
Primary Member	False
Primary Reference	False
Primary ID	-
Checksum	2461439
Year	2011
Summit Success	True
O2 Summary	None
Route (lowercase)	nw side

Members

Field	Value
ID	55611
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY11307
Member ID	01
Peak ID	CHOY
Year	2011
Season	3
First Name	Bo-Seong
Last Name	Hong
Sex	M
Age	0
Birth Date	-
Year of Birth	1956
Calculated Age	55
Citizenship	S Korea
Status	Leader
Residence	Busan (Pusan), S Korea
Occupation	Architect
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	False
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	2433610
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	bo-seong hong
Year of Birth	1956
Year	2011
Age at Expedition	55
Role	Leader

Field	Value
ID	55612
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY11307
Member ID	02
Peak ID	CHOY
Year	2011
Season	3
First Name	Chang-Ho
Last Name	Kim
Sex	M
Age	0
Birth Date	-
Year of Birth	1969
Calculated Age	42
Citizenship	S Korea
Status	Climber
Residence	Seoul, S Korea
Occupation	Outdoor company consultant
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	False
High Point (m)	True
Personal High Point (m)	8188
Summit Date 1	2011-09-23
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0945
Summit Time 2	-
Summit Time 3	-
Route 1	1
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	(1969-2018) Died 10 Oct 2018 on Gurja Himal from avalanche blast
Summit Bid	5
Summit Term	1
HCN	0
Checksum	2438377
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	chang-ho kim
Year of Birth	1969
Year	2011
Age at Expedition	42
Role	Member

Field	Value
ID	55613
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY11307
Member ID	03
Peak ID	CHOY
Year	2011
Season	3
First Name	Sung-Ho
Last Name	Seo
Sex	M
Age	0
Birth Date	-
Year of Birth	1979
Calculated Age	31
Citizenship	S Korea
Status	Climber
Residence	Busan (Pusan), S Korea
Occupation	Welding 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	False
High Point (m)	True
Personal High Point (m)	8188
Summit Date 1	2011-09-23
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0945
Summit Time 2	-
Summit Time 3	-
Route 1	1
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	5
Summit Term	1
HCN	0
Checksum	2442176
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	sung-ho seo
Year of Birth	1979
Year	2011
Age at Expedition	32
Role	Member

3 recorded members.

Name	Sex	Year of Birth	Citizenship	Status	Residence	Occupation
Bo-Seong Hong	M	1956	S Korea	Leader	Busan (Pusan), S Korea	Architect	Details Other expeditions
Chang-Ho Kim	M	1969	S Korea	Climber	Seoul, S Korea	Outdoor company consultant	Details Other expeditions
Sung-Ho Seo	M	1979	S Korea	Climber	Busan (Pusan), S Korea	Welding engineer	Details Other expeditions

References

0 recorded references.