Cho Oyu | 2005 NW side

A Norway expedition to Cho Oyu in 2005 via NW side, led by Einar Osland. Summit reached on 1st October 2005. 11 members recorded.

Expedition Details

Field	Value
ID	5035
Imported	2026-03-06 18:04:49.359634
Expedition ID	CHOY05304
Peak ID	CHOY
Year	2005
Season	3
Host Country	2
Route 1	NW side
Route 2	-
Route 3	-
Route 4	-
Nationality	Norway
Leaders	Einar Osland
Sponsor	Cho Oyu unarmed
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	Denmark
Approach	Kodari->Tingri
Basecamp Date	2005-09-16
Summit Date	2005-10-01
Summit Time	0735
Summit Days	15
Total Days	19
Termination Date	2005-10-05
Termination Reason	1
Termination Notes	-
High Point (m)	8188
Traverse	False
Ski	False
Paraglide	False
Camps	3
Fixed Rope (m)	0
Total Members	7
Summit Members	7
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(16/09,4900m),ABC(18/09,5700m),C1(24/09,6400m),C2(29/09,7100m),C3(30/09,7400m),Smt(01/10)
Route Notes	Team left C3 at 2 am (Nepali) and arrived there between 7:35 am and 8:50 am (Nepali). They descended to C2 where they arrived at 3 pm. Pederson had no arms but has a prosthesis on the right side. He said the rock band was the only difficulty but Dawa Chhiri who climbed with him was very helpful and "pushed" him up. * All Sherpas and Stian Voldmo climbed without oxygen Sherpa Summiters: Nawang Thapa Sherpa, Beding, BS 2008 (1951-2), Cho Oyu X3? Nawang Tenzing Sherpa, Beding, Cho Oyu X3 Kilu Pempa Sherpa, Beding, 1983? 16/5/80, Everest X2, Manaslu X12, Cho Oyu X1 Dawa Chhiri Sherpa, Beding, 3/8/71, Cho Oyu X4, Everest X4
Accidents	-
Achievement	-
Agency	Dawa Tshering Sherpa
Commercial Route	True
Standard Route	True
Primary Route	False
Primary Member	False
Primary Reference	False
Primary ID	-
Checksum	2459070
Year	2005
Summit Success	True
O2 Summary	Used
Route (lowercase)	nw side

Members

Field	Value
ID	38487
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY05304
Member ID	01
Peak ID	CHOY
Year	2005
Season	3
First Name	Einar
Last Name	Osland
Sex	M
Age	0
Birth Date	-
Year of Birth	1953
Calculated Age	52
Citizenship	Norway
Status	Leader
Residence	Skjetten, Norway
Occupation	Teacher
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	2005-10-01
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0850
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 C3
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	2432397
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	einar osland
Year of Birth	1953
Year	2005
Age at Expedition	52
Role	Leader

Field	Value
ID	38488
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY05304
Member ID	02
Peak ID	CHOY
Year	2005
Season	3
First Name	Cato Zahl
Last Name	Pedersen
Sex	M
Age	0
Birth Date	-
Year of Birth	1959
Calculated Age	46
Citizenship	Norway
Status	Climber
Residence	Nesodd, Norway
Occupation	Personnel consultant
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	True
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	2005-10-01
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0850
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 C3
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	Has no arms but has a prosthesis on the right side
Necrology	-
Summit Bid	5
Summit Term	1
HCN	0
Checksum	2434516
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	cato zahl pedersen
Year of Birth	1959
Year	2005
Age at Expedition	46
Role	Member

Field	Value
ID	38489
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY05304
Member ID	03
Peak ID	CHOY
Year	2005
Season	3
First Name	Casper C. L.
Last Name	Ravnsbaek
Sex	M
Age	0
Birth Date	-
Year of Birth	1979
Calculated Age	26
Citizenship	Denmark
Status	Climber
Residence	Copenhagen, Denmark
Occupation	Sales assistant
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	2005-10-01
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0735
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 C3
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	2441849
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	casper c. l. ravnsbaek
Year of Birth	1979
Year	2005
Age at Expedition	26
Role	Member

Field	Value
ID	38490
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY05304
Member ID	04
Peak ID	CHOY
Year	2005
Season	3
First Name	Rune
Last Name	Snaprud
Sex	M
Age	0
Birth Date	-
Year of Birth	1968
Calculated Age	36
Citizenship	Norway
Status	Climber
Residence	Oslo, Norway
Occupation	Teacher
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	2005-10-01
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0735
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 C3
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	2438068
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	rune snaprud
Year of Birth	1968
Year	2005
Age at Expedition	37
Role	Member

Field	Value
ID	38491
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY05304
Member ID	05
Peak ID	CHOY
Year	2005
Season	3
First Name	Oyvin
Last Name	Thon
Sex	M
Age	0
Birth Date	-
Year of Birth	1958
Calculated Age	47
Citizenship	Norway
Status	Climber
Residence	Kongsberg, Norway
Occupation	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	-
High Point (m)	True
Personal High Point (m)	8188
Summit Date 1	2005-10-01
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0735
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 C3
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	2434224
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	oyvin thon
Year of Birth	1958
Year	2005
Age at Expedition	47
Role	Member

Field	Value
ID	38492
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY05304
Member ID	06
Peak ID	CHOY
Year	2005
Season	3
First Name	Brit
Last Name	Volden
Sex	F
Age	0
Birth Date	-
Year of Birth	1960
Calculated Age	45
Citizenship	Norway
Status	Climber
Residence	Kongsberg, Norway
Occupation	Pharmacy director
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	2005-10-01
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0735
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 C3
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	2434963
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	brit volden
Year of Birth	1960
Year	2005
Age at Expedition	45
Role	Member

Field	Value
ID	38493
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY05304
Member ID	07
Peak ID	CHOY
Year	2005
Season	3
First Name	Stian Slettum
Last Name	Voldmo
Sex	M
Age	0
Birth Date	-
Year of Birth	1975
Calculated Age	30
Citizenship	Norway
Status	Climber
Residence	Trysil, Norway
Occupation	Hotel receptionist
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	2005-10-01
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0850
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	2440515
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	stian slettum voldmo
Year of Birth	1975
Year	2005
Age at Expedition	30
Role	Member

Field	Value
ID	38494
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY05304
Member ID	08
Peak ID	CHOY
Year	2005
Season	3
First Name	Dawa Tshering (Dawa Chhiri)
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1971
Calculated Age	34
Citizenship	Nepal
Status	H-A Worker
Residence	Beding, Dolakha
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	2005-10-01
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0850
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	5th ascent of Cho Oyu
Necrology	-
Summit Bid	5
Summit Term	1
HCN	0
Checksum	2439090
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	dawa tshering (dawa chhiri) sherpa
Year of Birth	1971
Year	2005
Age at Expedition	34
Role	Hired

Field	Value
ID	38495
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY05304
Member ID	09
Peak ID	CHOY
Year	2005
Season	3
First Name	Kili Pemba (Kilu Pemba)
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1980
Calculated Age	25
Citizenship	Nepal
Status	H-A Worker
Residence	Beding, Dolakha
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	2005-10-01
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0735
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	2442289
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	kili pemba (kilu pemba) sherpa
Year of Birth	1980
Year	2005
Age at Expedition	25
Role	Hired

Field	Value
ID	38496
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY05304
Member ID	10
Peak ID	CHOY
Year	2005
Season	3
First Name	Nawang Tenzing
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1967
Calculated Age	38
Citizenship	Nepal
Status	H-A Worker
Residence	Beding, Dolakha
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	2005-10-01
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0735
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
Necrology	-
Summit Bid	5
Summit Term	1
HCN	0
Checksum	2437549
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	nawang tenzing sherpa
Year of Birth	1967
Year	2005
Age at Expedition	38
Role	Hired

Field	Value
ID	38497
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY05304
Member ID	11
Peak ID	CHOY
Year	2005
Season	3
First Name	Nawang Thapa
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1952
Calculated Age	53
Citizenship	Nepal
Status	H-A Worker
Residence	Beding, Dolakha
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	2005-10-01
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0850
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	1st 8000er
Necrology	-
Summit Bid	5
Summit Term	1
HCN	0
Checksum	2432038
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	nawang thapa sherpa
Year of Birth	1952
Year	2005
Age at Expedition	53
Role	Hired

11 recorded members.

Name	Sex	Year of Birth	Citizenship	Status	Residence	Occupation
Einar Osland	M	1953	Norway	Leader	Skjetten, Norway	Teacher	Details Other expeditions
Cato Zahl Pedersen	M	1959	Norway	Climber	Nesodd, Norway	Personnel consultant	Details Other expeditions
Casper C. L. Ravnsbaek	M	1979	Denmark	Climber	Copenhagen, Denmark	Sales assistant	Details Other expeditions
Rune Snaprud	M	1968	Norway	Climber	Oslo, Norway	Teacher	Details Other expeditions
Oyvin Thon	M	1958	Norway	Climber	Kongsberg, Norway	Engineer	Details Other expeditions
Brit Volden	F	1960	Norway	Climber	Kongsberg, Norway	Pharmacy director	Details Other expeditions
Stian Slettum Voldmo	M	1975	Norway	Climber	Trysil, Norway	Hotel receptionist	Details Other expeditions
Dawa Tshering (Dawa Chhiri) Sherpa	M	1971	Nepal	H-A Worker	Beding, Dolakha	-	Details Other expeditions
Kili Pemba (Kilu Pemba) Sherpa	M	1980	Nepal	H-A Worker	Beding, Dolakha	-	Details Other expeditions
Nawang Tenzing Sherpa	M	1967	Nepal	H-A Worker	Beding, Dolakha	-	Details Other expeditions
Nawang Thapa Sherpa	M	1952	Nepal	H-A Worker	Beding, Dolakha	-	Details Other expeditions

References

0 recorded references.