Cho Oyu | 2004 NW side

A New Zealand expedition to Cho Oyu in 2004 via NW side, led by Mark Whetu. Summit reached on 28th April 2004. 7 members recorded.

Expedition Details

Field	Value
ID	4560
Imported	2026-03-06 18:04:49.359634
Expedition ID	CHOY04121
Peak ID	CHOY
Year	2004
Season	1
Host Country	2
Route 1	NW side
Route 2	-
Route 3	-
Route 4	-
Nationality	New Zealand
Leaders	Mark Whetu
Sponsor	Himalayan Experience (Himex) Cho Oyu Expedition 2004
Success 1	False
Success 2	False
Success 3	False
Success 4	False
Ascent 1	-
Ascent 2	-
Ascent 3	-
Ascent 4	-
Claimed	False
Disputed	False
Countries	Switzerland
Approach	-
Basecamp Date	2004-04-07
Summit Date	2004-04-28
Summit Time	-
Summit Days	21
Total Days	27
Termination Date	2004-05-04
Termination Reason	4
Termination Notes	Abandoned at 7100m due to strong winds and members' wishes
High Point (m)	7100
Traverse	False
Ski	False
Paraglide	False
Camps	2
Fixed Rope (m)	0
Total Members	4
Summit Members	0
Member Deaths	0
Total Hired	3
Summit Hired	0
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	True
O2 Unknown	False
Other Summits	-
Campsites	BC(07/04,4800m),ABC(14/04,5200m),C1(21/04,6400m),C2(28/04,7100m),xxx(28/04,7100m)
Route Notes	3 nights in C2 and down on 2 May, because winds too strong to ABC and BC 4 May. Members had no more time and patience to go back up.
Accidents	-
Achievement	-
Agency	Mountain Experience
Commercial Route	True
Standard Route	True
Primary Route	False
Primary Member	False
Primary Reference	False
Primary ID	-
Checksum	2458503
Year	2004
Summit Success	False
O2 Summary	None
Route (lowercase)	nw side

Members

Field	Value
ID	35154
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY04121
Member ID	02
Peak ID	CHOY
Year	2004
Season	1
First Name	Marcel
Last Name	Bach
Sex	M
Age	0
Birth Date	-
Year of Birth	1955
Calculated Age	48
Citizenship	Switzerland
Status	Climber
Residence	Gstaad, Bern, Switzerland
Occupation	Real estate promoter
Leader	False
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)	True
Personal High Point (m)	7100
Summit Date 1	2004-04-28
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	-
Necrology	-
Summit Bid	1
Summit Term	3
HCN	0
Checksum	2433283
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	marcel bach
Year of Birth	1955
Year	2004
Age at Expedition	49
Role	Member

Field	Value
ID	35155
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY04121
Member ID	03
Peak ID	CHOY
Year	2004
Season	1
First Name	Kurt
Last Name	Hefti
Sex	M
Age	0
Birth Date	-
Year of Birth	1965
Calculated Age	39
Citizenship	Switzerland
Status	Climber
Residence	Lauenen, Bern, Switzerland
Occupation	Forester
Leader	False
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)	True
Personal High Point (m)	7100
Summit Date 1	2004-04-28
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	-
Necrology	-
Summit Bid	1
Summit Term	3
HCN	0
Checksum	2436831
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	kurt hefti
Year of Birth	1965
Year	2004
Age at Expedition	39
Role	Member

Field	Value
ID	35156
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY04121
Member ID	04
Peak ID	CHOY
Year	2004
Season	1
First Name	Roger
Last Name	Seifritz
Sex	M
Age	0
Birth Date	-
Year of Birth	1962
Calculated Age	41
Citizenship	Switzerland
Status	Climber
Residence	Saanenmoeser, Bern, Switzerland
Occupation	Town tourist officer official
Leader	False
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)	True
Personal High Point (m)	7100
Summit Date 1	2004-04-28
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	-
Necrology	-
Summit Bid	1
Summit Term	3
HCN	0
Checksum	2435955
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	roger seifritz
Year of Birth	1962
Year	2004
Age at Expedition	42
Role	Member

Field	Value
ID	35157
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY04121
Member ID	01
Peak ID	CHOY
Year	2004
Season	1
First Name	Mark Anthony
Last Name	Whetu
Sex	M
Age	0
Birth Date	-
Year of Birth	1959
Calculated Age	44
Citizenship	New Zealand
Status	Leader
Residence	Queenstown, New Zealand
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	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	-
High Point (m)	True
Personal High Point (m)	7100
Summit Date 1	2004-04-28
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	-
Necrology	-
Summit Bid	1
Summit Term	3
HCN	0
Checksum	2434910
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	mark anthony whetu
Year of Birth	1959
Year	2004
Age at Expedition	45
Role	Leader

Field	Value
ID	41961
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY04121
Member ID	05
Peak ID	CHOY
Year	2004
Season	1
First Name	Lobsang Temba (Lupsang Temba)
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1968
Calculated Age	35
Citizenship	Nepal
Status	H-A Worker
Residence	Khumjung, 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	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	-
High Point (m)	True
Personal High Point (m)	7100
Summit Date 1	2004-04-28
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	Brother of Chuldim Dorje
Necrology	-
Summit Bid	1
Summit Term	3
HCN	0
Checksum	2438033
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	lobsang temba (lupsang temba) sherpa
Year of Birth	1968
Year	2004
Age at Expedition	36
Role	Hired

Field	Value
ID	41962
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY04121
Member ID	06
Peak ID	CHOY
Year	2004
Season	1
First Name	Pema Chhosang
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1972
Calculated Age	31
Citizenship	Nepal
Status	H-A Worker
Residence	Khumjung, 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	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	-
High Point (m)	True
Personal High Point (m)	7100
Summit Date 1	2004-04-28
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	-
Necrology	-
Summit Bid	1
Summit Term	3
HCN	0
Checksum	2439467
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	pema chhosang sherpa
Year of Birth	1972
Year	2004
Age at Expedition	32
Role	Hired

Field	Value
ID	41963
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY04121
Member ID	07
Peak ID	CHOY
Year	2004
Season	1
First Name	Temba
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1968
Calculated Age	35
Citizenship	Nepal
Status	H-A Worker
Residence	Khumjung, 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	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	-
High Point (m)	True
Personal High Point (m)	7100
Summit Date 1	2004-04-28
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	-
Necrology	-
Summit Bid	1
Summit Term	3
HCN	0
Checksum	2438065
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	temba sherpa
Year of Birth	1968
Year	2004
Age at Expedition	36
Role	Hired

7 recorded members.

Name	Sex	Year of Birth	Citizenship	Status	Residence	Occupation
Marcel Bach	M	1955	Switzerland	Climber	Gstaad, Bern, Switzerland	Real estate promoter	Details Other expeditions
Kurt Hefti	M	1965	Switzerland	Climber	Lauenen, Bern, Switzerland	Forester	Details Other expeditions
Roger Seifritz	M	1962	Switzerland	Climber	Saanenmoeser, Bern, Switzerland	Town tourist officer official	Details Other expeditions
Mark Anthony Whetu	M	1959	New Zealand	Leader	Queenstown, New Zealand	Alpine guide	Details Other expeditions
Lobsang Temba (Lupsang Temba) Sherpa	M	1968	Nepal	H-A Worker	Khumjung, Khumbu	-	Details Other expeditions
Pema Chhosang Sherpa	M	1972	Nepal	H-A Worker	Khumjung, Khumbu	-	Details Other expeditions
Temba Sherpa	M	1968	Nepal	H-A Worker	Khumjung, Khumbu	-	Details Other expeditions

References

0 recorded references.