Cho Oyu | 2004 NW side

A Japan expedition to Cho Oyu in 2004 via NW side, led by Minoru Doya. Summit reached on 19th September 2004. 3 members recorded.

Expedition Details

Field	Value
ID	4841
Imported	2026-03-06 18:04:49.359634
Expedition ID	CHOY04354
Peak ID	CHOY
Year	2004
Season	3
Host Country	2
Route 1	NW side
Route 2	-
Route 3	-
Route 4	-
Nationality	Japan
Leaders	Minoru Doya
Sponsor	Subaru Cho Oyu Japanese 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	-
Basecamp Date	2004-08-30
Summit Date	2004-09-19
Summit Time	0830
Summit Days	20
Total Days	23
Termination Date	2004-09-22
Termination Reason	1
Termination Notes	-
High Point (m)	8188
Traverse	False
Ski	False
Paraglide	False
Camps	2
Fixed Rope (m)	0
Total Members	1
Summit Members	1
Member Deaths	0
Total Hired	2
Summit Hired	2
Hired Deaths	0
No Hired	False
O2 Used	True
O2 None	False
O2 Climb	True
O2 Descent	False
O2 Sleep	True
O2 Medical	False
O2 Taken	False
O2 Unknown	False
Other Summits	-
Campsites	BC(30/08),ABC(03/09,5650m),C1(11/09,6200m),C2(18/09,7100m),Smt(19/09)
Route Notes	Summit party left C2 for top at 0:30 hours 19 Sept (NST), on top at 8:30 am and saw Everest clearly, returned to sleep in C1 4:30 pm. Sherpas: Lhakpa Chhiri, 7/4/64, Lokhim Tul Bahadur Tamang, 30/8/66, Dhaulagiri X1, Cho Oyu X1, Everest X1
Accidents	-
Achievement	-
Agency	Cosmo Treks
Commercial Route	True
Standard Route	True
Primary Route	False
Primary Member	False
Primary Reference	False
Primary ID	-
Checksum	2458692
Year	2004
Summit Success	True
O2 Summary	Used
Route (lowercase)	nw side

Field	Value
ID	37380
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY04354
Member ID	02
Peak ID	CHOY
Year	2004
Season	3
First Name	Lhakpa Chhiring/Chhiri
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1964
Calculated Age	40
Citizenship	Nepal
Status	H-A Worker
Residence	Kurima, Lokhim-9, Solukhumbu
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	True
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)	8188
Summit Date 1	2004-09-19
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0830
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	True
O2 None	False
O2 Climb	True
O2 Descent	False
O2 Sleep	True
O2 Medical	False
O2 Notes	In C2 to top to C2
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	2436443
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	lhakpa chhiring/chhiri sherpa
Year of Birth	1964
Year	2004
Age at Expedition	40
Role	Hired

3 recorded members.

Name	Sex	Year of Birth	Citizenship	Status	Residence	Occupation
Minoru Doya	M	1968	Japan	Leader	Tokyo, Japan	Physician	Details Other expeditions
Lhakpa Chhiring/Chhiri Sherpa	M	1964	Nepal	H-A Worker	Kurima, Lokhim-9, Solukhumbu	-	Details Other expeditions
Tul Bahadur Tamang	M	1966	Nepal	H-A Worker	Deusa, Solukhumbu	-	Details Other expeditions

0 recorded references.