Cho Oyu | 2004 NW side

A China expedition to Cho Oyu in 2004 via NW side, led by Chen Si-Qi (Mao-Mao). Summit reached on 21st September 2004. 8 members recorded.

Expedition Details

Field	Value
ID	5012
Imported	2026-03-06 18:04:49.359634
Expedition ID	CHOY04353
Peak ID	CHOY
Year	2004
Season	3
Host Country	2
Route 1	NW side
Route 2	-
Route 3	-
Route 4	-
Nationality	China
Leaders	Chen Si-Qi (Mao-Mao)
Sponsor	-
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	2004-09-21
Summit Time	-
Summit Days	22
Total Days	0
Termination Date	-
Termination Reason	1
Termination Notes	-
High Point (m)	8188
Traverse	False
Ski	False
Paraglide	False
Camps	3
Fixed Rope (m)	0
Total Members	4
Summit Members	4
Member Deaths	0
Total Hired	4
Summit Hired	4
Hired Deaths	0
No Hired	False
O2 Used	True
O2 None	False
O2 Climb	True
O2 Descent	False
O2 Sleep	False
O2 Medical	False
O2 Taken	False
O2 Unknown	False
Other Summits	-
Campsites	BC(30/08),ABC(04-05/09,5700m),C1(6300m),C2(7100m),C3(7500m),Smt(21,25/09)
Route Notes	David Morton, leader of USA Cho Oyu and his Sherpa Lhakpa Rita - 27 Sept 2004 Independent Chinese (leader Mamu?) with 2 Tibetans on top on 21 Sept at same time as Morton's and his team. Morton's Sherpa, Lhakpa Rita, knows the Tibetans. Da Chimi (DaCheme) - Cho Oyu X1, Everest X2, etc. Qimi, 5/7/64, China-Japan-Nepal 1988 (summit unverified by other Chinese data) BC(30/08),ABC(04-05/09,5700m),C1(6300m),C2(7100m),C3(7500m),Smt(21/09) Jiang Ling (by email) - August 2005 Reports 8 Chinese including Si-Qi Chen summiting on 25 Sept. Si-Qi Chen is also known as Mao-Mao.
Accidents	-
Achievement	-
Agency	None
Commercial Route	True
Standard Route	True
Primary Route	False
Primary Member	False
Primary Reference	False
Primary ID	-
Checksum	2458694
Year	2004
Summit Success	True
O2 Summary	Used
Route (lowercase)	nw side

Members

Field	Value
ID	38344
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY04353
Member ID	06
Peak ID	CHOY
Year	2004
Season	3
First Name	Ngawang Norbu (Awang Luobo)
Last Name	-
Sex	M
Age	0
Birth Date	-
Year of Birth	1980
Calculated Age	24
Citizenship	China
Status	H-A Assistant
Residence	Nyalam Dzong, Tibet, China
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	True
Sherpa	False
Tibetan	True
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	2004-09-25
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	0
Ascent 2	0
Ascent 3	0
O2 Used	True
O2 None	False
O2 Climb	True
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	2nd ascent of Cho Oyu
Necrology	-
Summit Bid	5
Summit Term	1
HCN	0
Checksum	-2066
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	ngawang norbu (awang luobo)
Year of Birth	1980
Year	2004
Age at Expedition	24
Role	Hired

Field	Value
ID	38345
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY04353
Member ID	02
Peak ID	CHOY
Year	2004
Season	3
First Name	Li-Li
Last Name	Luo
Sex	F
Age	0
Birth Date	-
Year of Birth	1982
Calculated Age	22
Citizenship	China
Status	Climber
Residence	Nanning, Guangxi, China
Occupation	-
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)	8188
Summit Date 1	2004-09-25
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	0
Ascent 2	0
Ascent 3	0
O2 Used	True
O2 None	False
O2 Climb	True
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	-2068
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	li-li luo
Year of Birth	1982
Year	2004
Age at Expedition	22
Role	Member

Field	Value
ID	38346
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY04353
Member ID	03
Peak ID	CHOY
Year	2004
Season	3
First Name	Jian-Feng
Last Name	Rao
Sex	M
Age	0
Birth Date	-
Year of Birth	1964
Calculated Age	40
Citizenship	China
Status	Climber
Residence	Shenzhen, Guangdong, China
Occupation	-
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)	8188
Summit Date 1	2004-09-25
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	0
Ascent 2	0
Ascent 3	0
O2 Used	True
O2 None	False
O2 Climb	True
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	(1964-2013) Died 23 June 2013 at Nanga Parbat base camp from terrorist attack
Summit Bid	5
Summit Term	1
HCN	0
Checksum	2436439
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	jian-feng rao
Year of Birth	1964
Year	2004
Age at Expedition	40
Role	Member

Field	Value
ID	38347
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY04353
Member ID	04
Peak ID	CHOY
Year	2004
Season	3
First Name	Liang
Last Name	Zhang
Sex	M
Age	0
Birth Date	-
Year of Birth	1964
Calculated Age	40
Citizenship	China
Status	Climber
Residence	Hong Kong
Occupation	-
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)	8188
Summit Date 1	2004-09-25
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	0
Ascent 2	0
Ascent 3	0
O2 Used	True
O2 None	False
O2 Climb	True
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	2436422
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	liang zhang
Year of Birth	1964
Year	2004
Age at Expedition	40
Role	Member

Field	Value
ID	38348
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY04353
Member ID	01
Peak ID	CHOY
Year	2004
Season	3
First Name	Si-Qi (Mao-Mao)
Last Name	Chen
Sex	M
Age	0
Birth Date	-
Year of Birth	1965
Calculated Age	39
Citizenship	China
Status	Leader
Residence	Hang Zho, China
Occupation	-
Leader	True
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)	8188
Summit Date 1	2004-09-21
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	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	Si-Qi Chen is also known as Mao-Mao; age estimated 41 based on EVER-061-48 age
Necrology	-
Summit Bid	5
Summit Term	1
HCN	0
Checksum	-2051
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	si-qi (mao-mao) chen
Year of Birth	1965
Year	2004
Age at Expedition	39
Role	Leader

Field	Value
ID	38349
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY04353
Member ID	07
Peak ID	CHOY
Year	2004
Season	3
First Name	Norbu Dhondup (Luobu Zhandu)
Last Name	-
Sex	M
Age	0
Birth Date	-
Year of Birth	1980
Calculated Age	24
Citizenship	China
Status	H-A Assistant
Residence	Lhatse, Lhatse Dzong, Tibet, China
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	True
Sherpa	False
Tibetan	True
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	2004-09-25
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	0
Ascent 2	0
Ascent 3	0
O2 Used	True
O2 None	False
O2 Climb	True
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	aka Luobu Zhandul, Norbu Dradul, Norbu Dhendup
Necrology	-
Summit Bid	5
Summit Term	1
HCN	0
Checksum	2442258
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	norbu dhondup (luobu zhandu)
Year of Birth	1980
Year	2004
Age at Expedition	24
Role	Hired

Field	Value
ID	38350
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY04353
Member ID	08
Peak ID	CHOY
Year	2004
Season	3
First Name	Phurbu Dhondup (Big)
Last Name	-
Sex	M
Age	0
Birth Date	-
Year of Birth	1976
Calculated Age	28
Citizenship	China
Status	H-A Assistant
Residence	Shigatse, Tibet, China
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	True
Sherpa	False
Tibetan	True
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	2004-09-25
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	0
Ascent 2	0
Ascent 3	0
O2 Used	True
O2 None	False
O2 Climb	True
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	2nd ascent of Cho Oyu
Necrology	-
Summit Bid	5
Summit Term	1
HCN	0
Checksum	2440935
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	phurbu dhondup (big)
Year of Birth	1976
Year	2004
Age at Expedition	28
Role	Hired

Field	Value
ID	41684
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY04353
Member ID	05
Peak ID	CHOY
Year	2004
Season	3
First Name	Da Chimi (Da Qimi)
Last Name	-
Sex	M
Age	0
Birth Date	-
Year of Birth	1957
Calculated Age	47
Citizenship	China
Status	H-A Assistant
Residence	Namling Dzong, Tibet, China
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	True
Sherpa	False
Tibetan	True
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	2004-09-21
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	0
Ascent 2	0
Ascent 3	0
O2 Used	True
O2 None	False
O2 Climb	True
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	2433952
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	da chimi (da qimi)
Year of Birth	1957
Year	2004
Age at Expedition	47
Role	Hired

8 recorded members.

Name	Sex	Year of Birth	Citizenship	Status	Residence	Occupation
Ngawang Norbu (Awang Luobo)	M	1980	China	H-A Assistant	Nyalam Dzong, Tibet, China	-	Details Other expeditions
Li-Li Luo	F	1982	China	Climber	Nanning, Guangxi, China	-	Details Other expeditions
Jian-Feng Rao	M	1964	China	Climber	Shenzhen, Guangdong, China	-	Details Other expeditions
Liang Zhang	M	1964	China	Climber	Hong Kong	-	Details Other expeditions
Si-Qi (Mao-Mao) Chen	M	1965	China	Leader	Hang Zho, China	-	Details Other expeditions
Norbu Dhondup (Luobu Zhandu)	M	1980	China	H-A Assistant	Lhatse, Lhatse Dzong, Tibet, China	-	Details Other expeditions
Phurbu Dhondup (Big)	M	1976	China	H-A Assistant	Shigatse, Tibet, China	-	Details Other expeditions
Da Chimi (Da Qimi)	M	1957	China	H-A Assistant	Namling Dzong, Tibet, China	-	Details Other expeditions

References

0 recorded references.