Cho Oyu | 2004 NW side

A USA expedition to Cho Oyu in 2004 via NW side, led by David Morton. Summit reached on 21st September 2004. 8 members recorded.

Expedition Details

Field	Value
ID	4700
Imported	2026-03-06 18:04:49.359634
Expedition ID	CHOY04336
Peak ID	CHOY
Year	2004
Season	3
Host Country	2
Route 1	NW side
Route 2	-
Route 3	-
Route 4	-
Nationality	USA
Leaders	David Morton
Sponsor	Alpine Ascents International (AAI) Cho Oyu Expedition 2004
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	Mexico, S Africa
Approach	-
Basecamp Date	2004-08-30
Summit Date	2004-09-21
Summit Time	1030
Summit Days	22
Total Days	25
Termination Date	2004-09-24
Termination Reason	1
Termination Notes	-
High Point (m)	8188
Traverse	False
Ski	False
Paraglide	False
Camps	3
Fixed Rope (m)	0
Total Members	5
Summit Members	5
Member Deaths	0
Total Hired	3
Summit Hired	3
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(02/09,5700m),C1(08/09,6300m),C2(13/09,7100m),C3(20/09,7500m),Smt(21/09)
Route Notes	Left C3 at 4:00 am NST for top and arrived top 10:30 am, together (within 10 minutes); had 3 glimpses of Everest and Lhotse; down to C2 to sleep and arrive 5:00 pm. Most rope fixed by Singaporeans, who were first team to arrive. Oxygen: Gonzalez, Lego and Von Marker from C2 all the way to top and somewhere before C2 in descent; Morton and Schuck sleeping in C3 to top to 7500m; Sherpas none at all. Sherpa summiters Kami Rita, aka Topke, Thami, 17/1/70, Everest X8, Cho Oyu X1 Lhakpa/Lakpa Rita, Thami, 9/9/66, Everest X7, Cho Oyu X3, brothers Tshering Dorje, Kharikhola, 20/7/70, Everest X6, Cho Oyu X1
Accidents	Van Marker briefly had blurred vision at C1
Achievement	-
Agency	Sherpa Shangri-La Trekking
Commercial Route	True
Standard Route	True
Primary Route	False
Primary Member	False
Primary Reference	False
Primary ID	-
Checksum	2458649
Year	2004
Summit Success	True
O2 Summary	Used
Route (lowercase)	nw side

Members

Field	Value
ID	36147
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY04336
Member ID	02
Peak ID	CHOY
Year	2004
Season	3
First Name	David
Last Name	Liano Gonzalez
Sex	M
Age	0
Birth Date	-
Year of Birth	1979
Calculated Age	24
Citizenship	Mexico
Status	Climber
Residence	Mexico City, Mexico
Occupation	Student of accounting and business
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	2004-09-21
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1030
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	From C2 to top to somewhere before C2 in descent
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	2442162
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	david liano gonzalez
Year of Birth	1979
Year	2004
Age at Expedition	25
Role	Member

Field	Value
ID	36148
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY04336
Member ID	03
Peak ID	CHOY
Year	2004
Season	3
First Name	Paul G.
Last Name	Lego
Sex	M
Age	0
Birth Date	-
Year of Birth	1958
Calculated Age	46
Citizenship	USA
Status	Climber
Residence	Woodside, California
Occupation	Software entreprenaur
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	2004-09-21
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1030
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	From C2 to top to somewhere before C2 in descent
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	2434410
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	paul g. lego
Year of Birth	1958
Year	2004
Age at Expedition	46
Role	Member

Field	Value
ID	36149
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY04336
Member ID	01
Peak ID	CHOY
Year	2004
Season	3
First Name	David Charles (Dave)
Last Name	Morton
Sex	M
Age	0
Birth Date	-
Year of Birth	1971
Calculated Age	33
Citizenship	USA
Status	Leader
Residence	Seattle, Washington
Occupation	Alpine guide
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	1030
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 C3 to top to 7500m
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	2439135
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	david charles (dave) morton
Year of Birth	1971
Year	2004
Age at Expedition	33
Role	Leader

Field	Value
ID	36150
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY04336
Member ID	04
Peak ID	CHOY
Year	2004
Season	3
First Name	Terry Karl
Last Name	Schuck
Sex	M
Age	0
Birth Date	-
Year of Birth	1961
Calculated Age	43
Citizenship	USA
Status	Climber
Residence	Quarryville, Pennsylvania
Occupation	Chemistry
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	2004-09-21
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1030
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 C3 to top to 7500m
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	2435327
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	terry karl schuck
Year of Birth	1961
Year	2004
Age at Expedition	43
Role	Member

Field	Value
ID	36151
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY04336
Member ID	05
Peak ID	CHOY
Year	2004
Season	3
First Name	Anthony Peter (Tony)
Last Name	Van Marken
Sex	M
Age	0
Birth Date	-
Year of Birth	1964
Calculated Age	40
Citizenship	S Africa
Status	Climber
Residence	Franschhoek, S Africa
Occupation	Investor
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	2004-09-21
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1030
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	From C2 to top to somewhere before C2 in descent
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	2436539
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	anthony peter (tony) van marken
Year of Birth	1964
Year	2004
Age at Expedition	40
Role	Member

Field	Value
ID	36152
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY04336
Member ID	06
Peak ID	CHOY
Year	2004
Season	3
First Name	Kami Rita (Topke)
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1970
Calculated Age	34
Citizenship	Nepal
Status	H-A Worker
Residence	Thami, Khumbu
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	2004-09-21
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1030
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	2nd ascent of Cho Oyu; brother of Lhakpa Rita
Necrology	-
Summit Bid	5
Summit Term	1
HCN	0
Checksum	2438548
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	kami rita (topke) sherpa
Year of Birth	1970
Year	2004
Age at Expedition	34
Role	Hired

Field	Value
ID	36153
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY04336
Member ID	07
Peak ID	CHOY
Year	2004
Season	3
First Name	Lhakpa Rita
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1966
Calculated Age	38
Citizenship	Nepal
Status	H-A Worker
Residence	Thami, Khumbu
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	2004-09-21
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1030
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	4th ascent of Cho Oyu; brother of Kami Rita (Topke)
Necrology	-
Summit Bid	5
Summit Term	1
HCN	0
Checksum	2437326
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	lhakpa rita sherpa
Year of Birth	1966
Year	2004
Age at Expedition	38
Role	Hired

Field	Value
ID	36154
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY04336
Member ID	08
Peak ID	CHOY
Year	2004
Season	3
First Name	Tshering Dorje
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1970
Calculated Age	34
Citizenship	Nepal
Status	H-A Worker
Residence	Kharikhola, 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	2004-09-21
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1030
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	2nd ascent of Cho Oyu
Necrology	-
Summit Bid	5
Summit Term	1
HCN	0
Checksum	2438732
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	tshering dorje sherpa
Year of Birth	1970
Year	2004
Age at Expedition	34
Role	Hired

8 recorded members.

Name	Sex	Year of Birth	Citizenship	Status	Residence	Occupation
David Liano Gonzalez	M	1979	Mexico	Climber	Mexico City, Mexico	Student of accounting and business	Details Other expeditions
Paul G. Lego	M	1958	USA	Climber	Woodside, California	Software entreprenaur	Details Other expeditions
David Charles (Dave) Morton	M	1971	USA	Leader	Seattle, Washington	Alpine guide	Details Other expeditions
Terry Karl Schuck	M	1961	USA	Climber	Quarryville, Pennsylvania	Chemistry	Details Other expeditions
Anthony Peter (Tony) Van Marken	M	1964	S Africa	Climber	Franschhoek, S Africa	Investor	Details Other expeditions
Kami Rita (Topke) Sherpa	M	1970	Nepal	H-A Worker	Thami, Khumbu	-	Details Other expeditions
Lhakpa Rita Sherpa	M	1966	Nepal	H-A Worker	Thami, Khumbu	-	Details Other expeditions
Tshering Dorje Sherpa	M	1970	Nepal	H-A Worker	Kharikhola, Solukhumbu	-	Details Other expeditions

References

Field	Value
ID	7972
Imported	2026-03-06 18:06:36.307770
Expedition ID	CHOY04336
Reference ID	01
Year	2004
Type	5
Journal	-
Author	-
Title	http://www.alpineascents.com/cho-oyu-cybercast04.asp
Publisher	-
Publication Date	-
Language	-
Citation	-
Yak 94	-
Notes	-

1 recorded references.

Expedition ID	Journal	Author	Title	Publisher	Citation	Yak 94
CHOY04336	-	-	http://www.alpineascents.com/cho-oyu-cybercast04.asp	-	-	-