Cho Oyu | 2006 NW side

A Netherlands expedition to Cho Oyu in 2006 via NW side, led by Peter Roos. Summit reached on 1st October 2006. 10 members recorded.

Expedition Details

Field	Value
ID	5521
Imported	2026-03-06 18:04:49.359634
Expedition ID	CHOY06364
Peak ID	CHOY
Year	2006
Season	3
Host Country	2
Route 1	NW side
Route 2	-
Route 3	-
Route 4	-
Nationality	Netherlands
Leaders	Peter Roos
Sponsor	2006 Dutch Cho Oyu 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	Belgium
Approach	Lhasa->Xigatse->Tingri->BC
Basecamp Date	2006-09-10
Summit Date	2006-10-01
Summit Time	1000
Summit Days	21
Total Days	26
Termination Date	2006-10-06
Termination Reason	1
Termination Notes	-
High Point (m)	8188
Traverse	False
Ski	False
Paraglide	False
Camps	3
Fixed Rope (m)	0
Total Members	8
Summit Members	3
Member Deaths	0
Total Hired	3
Summit Hired	2
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	False
O2 Unknown	False
Other Summits	-
Campsites	BC(10/09,5000m),ABC(13/09,5700m),C1(16/09,6100m),C2(22/09,7100m),C3(29,30/7500m),Smt(01/10)
Route Notes	BC at CBC/IC Sept 12 at 5400m C1 at behind small ridge C3 (not used by members). Groeneveld, Van den Broek, Van Heumen, Van Welzen and Santa Gurung and Dawa Sherpa left C3 at 23:30 hours NST on 30 Sept. Van Heumen turned around after an hour's climb to C2 due to tiredness. Groeneveld, Van den Broek, Van Wezen, Santa Gurung and Dawa Sherpa reached to the summit at 10:00 hours of 1 October, stayed on summit for about 30 minutes, descended to C2. Next day to ABC. About 10 people summited on that day. Weather was good. Climbers had very good view of Everest and other mountains. The expedition returned to Kathmandu on 7 Oct and will leave on 11 Oct. Sherpa summiters: Santa Bahadur Gurung, 23/4/59, Sunwara, Gorkha, Manaslu 19/9/97 Dawa Sherpa, 1/11/71, Tapting, Solu
Accidents	-
Achievement	-
Agency	Iceland Trekking (Tendi)
Commercial Route	True
Standard Route	True
Primary Route	False
Primary Member	False
Primary Reference	False
Primary ID	-
Checksum	2459481
Year	2006
Summit Success	True
O2 Summary	None
Route (lowercase)	nw side

Members

Field	Value
ID	41333
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY06364
Member ID	02
Peak ID	CHOY
Year	2006
Season	3
First Name	Frank
Last Name	Berkhout
Sex	M
Age	0
Birth Date	-
Year of Birth	1980
Calculated Age	26
Citizenship	Netherlands
Status	Climber
Residence	Meppel, Netherlands
Occupation	Sports instructor
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)	False
Personal High Point (m)	0
Summit Date 1	-
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	0
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	0
Summit Term	0
HCN	0
Checksum	2442320
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	frank berkhout
Year of Birth	1980
Year	2006
Age at Expedition	26
Role	Member

Field	Value
ID	41334
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY06364
Member ID	03
Peak ID	CHOY
Year	2006
Season	3
First Name	Willem
Last Name	Groeneveld
Sex	M
Age	0
Birth Date	-
Year of Birth	1950
Calculated Age	56
Citizenship	Netherlands
Status	Climber
Residence	Arnheim, Netherlands
Occupation	Technician processing garbage as energy source
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	2006-10-01
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1000
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	2431360
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	willem groeneveld
Year of Birth	1950
Year	2006
Age at Expedition	56
Role	Member

Field	Value
ID	41335
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY06364
Member ID	01
Peak ID	CHOY
Year	2006
Season	3
First Name	Peter
Last Name	Roos
Sex	M
Age	0
Birth Date	-
Year of Birth	1965
Calculated Age	41
Citizenship	Netherlands
Status	Leader
Residence	Amsterdam, Netherlands
Occupation	Attorney
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)	False
Personal High Point (m)	0
Summit Date 1	-
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	0
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	0
Summit Term	0
HCN	0
Checksum	2436911
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	peter roos
Year of Birth	1965
Year	2006
Age at Expedition	41
Role	Leader

Field	Value
ID	41336
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY06364
Member ID	07
Peak ID	CHOY
Year	2006
Season	3
First Name	H. T. Maria (Ronnie)
Last Name	Van den Broek
Sex	M
Age	0
Birth Date	-
Year of Birth	1970
Calculated Age	35
Citizenship	Netherlands
Status	Climber
Residence	Groesbeck, Netherlands
Occupation	Technical 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	2006-10-01
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1000
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	aka Henricus Theodorus Maria Van Den Broek
Necrology	-
Summit Bid	5
Summit Term	1
HCN	0
Checksum	2438782
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	h. t. maria (ronnie) van den broek
Year of Birth	1970
Year	2006
Age at Expedition	36
Role	Member

Field	Value
ID	41337
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY06364
Member ID	04
Peak ID	CHOY
Year	2006
Season	3
First Name	Dirkjan
Last Name	Van Heumen
Sex	M
Age	0
Birth Date	-
Year of Birth	1976
Calculated Age	30
Citizenship	Netherlands
Status	Climber
Residence	Herwen, Netherlands
Occupation	Tour guide
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)	False
Personal High Point (m)	7700
Summit Date 1	2006-10-01
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	4
Summit Term	7
HCN	0
Checksum	2440858
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	dirkjan van heumen
Year of Birth	1976
Year	2006
Age at Expedition	30
Role	Member

Field	Value
ID	41338
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY06364
Member ID	05
Peak ID	CHOY
Year	2006
Season	3
First Name	Albertus (Berry)
Last Name	Van Welzen
Sex	M
Age	0
Birth Date	-
Year of Birth	1971
Calculated Age	35
Citizenship	Netherlands
Status	Climber
Residence	Arnhem, Gelderland, Netherlands
Occupation	Civil 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	2006-10-01
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1000
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	2439002
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	albertus (berry) van welzen
Year of Birth	1971
Year	2006
Age at Expedition	35
Role	Member

Field	Value
ID	41339
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY06364
Member ID	06
Peak ID	CHOY
Year	2006
Season	3
First Name	Tom
Last Name	Van Wesemael
Sex	M
Age	0
Birth Date	-
Year of Birth	1972
Calculated Age	34
Citizenship	Belgium
Status	Climber
Residence	Gent, Belgium
Occupation	Telecommunications engineer
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)	False
Personal High Point (m)	0
Summit Date 1	-
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	0
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	0
Summit Term	0
HCN	0
Checksum	2439442
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	tom van wesemael
Year of Birth	1972
Year	2006
Age at Expedition	34
Role	Member

Field	Value
ID	41340
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY06364
Member ID	08
Peak ID	CHOY
Year	2006
Season	3
First Name	Bram
Last Name	Vrolyk
Sex	M
Age	0
Birth Date	-
Year of Birth	1955
Calculated Age	51
Citizenship	Netherlands
Status	Climber
Residence	Hooddorp, Netherlands
Occupation	Physical fitness instructor
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)	False
Personal High Point (m)	0
Summit Date 1	-
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	0
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	0
Summit Term	0
HCN	0
Checksum	2433351
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	bram vrolyk
Year of Birth	1955
Year	2006
Age at Expedition	51
Role	Member

Field	Value
ID	41341
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY06364
Member ID	09
Peak ID	CHOY
Year	2006
Season	3
First Name	Santa Bahadur
Last Name	Gurung
Sex	M
Age	0
Birth Date	-
Year of Birth	1959
Calculated Age	47
Citizenship	Nepal
Status	H-A Worker
Residence	Chisapani, Sunwara, Gorkha
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	True
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	2006-10-01
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1000
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	2434597
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	santa bahadur gurung
Year of Birth	1959
Year	2006
Age at Expedition	47
Role	Hired

Field	Value
ID	41342
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY06364
Member ID	10
Peak ID	CHOY
Year	2006
Season	3
First Name	Dawa
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1971
Calculated Age	34
Citizenship	Nepal
Status	H-A Worker
Residence	Damdi, Tapting, 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	2006-10-01
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1000
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	(1971-2013) Died 23 May 2013 on Dhaulagiri I from falling
Summit Bid	5
Summit Term	1
HCN	0
Checksum	2439160
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	dawa sherpa
Year of Birth	1971
Year	2006
Age at Expedition	35
Role	Hired

10 recorded members.

Name	Sex	Year of Birth	Citizenship	Status	Residence	Occupation
Frank Berkhout	M	1980	Netherlands	Climber	Meppel, Netherlands	Sports instructor	Details Other expeditions
Willem Groeneveld	M	1950	Netherlands	Climber	Arnheim, Netherlands	Technician processing garbage as energy source	Details Other expeditions
Peter Roos	M	1965	Netherlands	Leader	Amsterdam, Netherlands	Attorney	Details Other expeditions
H. T. Maria (Ronnie) Van den Broek	M	1970	Netherlands	Climber	Groesbeck, Netherlands	Technical engineer	Details Other expeditions
Dirkjan Van Heumen	M	1976	Netherlands	Climber	Herwen, Netherlands	Tour guide	Details Other expeditions
Albertus (Berry) Van Welzen	M	1971	Netherlands	Climber	Arnhem, Gelderland, Netherlands	Civil engineer	Details Other expeditions
Tom Van Wesemael	M	1972	Belgium	Climber	Gent, Belgium	Telecommunications engineer	Details Other expeditions
Bram Vrolyk	M	1955	Netherlands	Climber	Hooddorp, Netherlands	Physical fitness instructor	Details Other expeditions
Santa Bahadur Gurung	M	1959	Nepal	H-A Worker	Chisapani, Sunwara, Gorkha	-	Details Other expeditions
Dawa Sherpa	M	1971	Nepal	H-A Worker	Damdi, Tapting, Solukhumbu	-	Details Other expeditions

References

0 recorded references.