Cho Oyu | 2018 NW side

A Japan expedition to Cho Oyu in 2018 via NW side, led by Shinji Tamura. Summit reached on 26th September 2018. 8 members recorded.

Expedition Details

Field	Value
ID	10041
Imported	2026-03-06 18:04:49.359634
Expedition ID	CHOY18309
Peak ID	CHOY
Year	2018
Season	3
Host Country	2
Route 1	NW side
Route 2	-
Route 3	-
Route 4	-
Nationality	Japan
Leaders	Shinji Tamura
Sponsor	Active Mountain Cho Oyu Expedition 2018
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	Netherlands, USA
Approach	Syabru Besi->Kerung->Tingri->Cho Oyu BC
Basecamp Date	2018-09-11
Summit Date	2018-09-26
Summit Time	0805
Summit Days	15
Total Days	19
Termination Date	2018-09-30
Termination Reason	1
Termination Notes	-
High Point (m)	8188
Traverse	False
Ski	False
Paraglide	False
Camps	2
Fixed Rope (m)	1200
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	False
O2 Medical	False
O2 Taken	False
O2 Unknown	False
Other Summits	-
Campsites	BC(11/09,4900m),ABC(14/09,5700m),C1(17/09,6400m),C2(25/09,7150m),Smt(26/09)
Route Notes	Summit team left C2 at 1 am, summited at 8:05 am, stayed 20 minutes, then descended to C2 at 11 am. Snow conditions were good, not much wind. Fixed rope: C2 to summit (1200m) Oxygen: C2 to summit to C2 Sherpas: Phurba Tashi Sherpa, Khumjung, 24/05/71 Ngima Sona Sherpa, Phortse, 18/09/70 Phura Namgya Sherpa, Phortse, 13/08/87
Accidents	-
Achievement	-
Agency	Mountain Experience
Commercial Route	True
Standard Route	True
Primary Route	False
Primary Member	False
Primary Reference	False
Primary ID	-
Checksum	2464771
Year	2018
Summit Success	True
O2 Summary	Used
Route (lowercase)	nw side

Members

Field	Value
ID	73623
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY18309
Member ID	01
Peak ID	CHOY
Year	2018
Season	3
First Name	Shinji
Last Name	Tamura
Sex	M
Age	0
Birth Date	-
Year of Birth	1966
Calculated Age	52
Citizenship	Japan
Status	Leader
Residence	Zermatt, Valais, Switzerland
Occupation	Alpine guide & travel agent
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	False
High Point (m)	True
Personal High Point (m)	8188
Summit Date 1	2018-09-26
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0805
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	C2 to smt to C2
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	(1966-2023) Died 11 Aug 2023 on unnamed peak in Pakistan (later disappeared after falling)
Summit Bid	5
Summit Term	1
HCN	0
Checksum	2437220
Summit Note 1	0
Summit Note 2	0
Summit Note 3	0
Death Route	0
Name (lowercase)	shinji tamura
Year of Birth	1966
Year	2018
Age at Expedition	52
Role	Leader

Field	Value
ID	73624
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY18309
Member ID	02
Peak ID	CHOY
Year	2018
Season	3
First Name	Renee Michael
Last Name	Bergsma
Sex	M
Age	0
Birth Date	-
Year of Birth	1957
Calculated Age	61
Citizenship	Netherlands
Status	Climber
Residence	Amsterdam, Netherlands
Occupation	Pharmacist
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	False
High Point (m)	True
Personal High Point (m)	8188
Summit Date 1	2018-09-26
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0805
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	C2 to smt to C2
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	2433815
Summit Note 1	0
Summit Note 2	0
Summit Note 3	0
Death Route	0
Name (lowercase)	renee michael bergsma
Year of Birth	1957
Year	2018
Age at Expedition	61
Role	Member

Field	Value
ID	73625
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY18309
Member ID	03
Peak ID	CHOY
Year	2018
Season	3
First Name	Tracee Lee
Last Name	Metcalfe
Sex	F
Age	0
Birth Date	-
Year of Birth	1974
Calculated Age	44
Citizenship	USA
Status	Climber
Residence	Vail, Colorado
Occupation	Physician
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	False
High Point (m)	True
Personal High Point (m)	8188
Summit Date 1	2018-09-26
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0805
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	C2 to smt to C2
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	2440098
Summit Note 1	0
Summit Note 2	0
Summit Note 3	0
Death Route	0
Name (lowercase)	tracee lee metcalfe
Year of Birth	1974
Year	2018
Age at Expedition	44
Role	Member

Field	Value
ID	73626
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY18309
Member ID	04
Peak ID	CHOY
Year	2018
Season	3
First Name	Yasuji
Last Name	Nishimura
Sex	M
Age	0
Birth Date	-
Year of Birth	1949
Calculated Age	68
Citizenship	Japan
Status	Climber
Residence	Nara, Japan
Occupation	Retired
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	False
High Point (m)	True
Personal High Point (m)	8188
Summit Date 1	2018-09-26
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0805
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	C2 to smt to C2
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	2431083
Summit Note 1	0
Summit Note 2	0
Summit Note 3	0
Death Route	0
Name (lowercase)	yasuji nishimura
Year of Birth	1949
Year	2018
Age at Expedition	69
Role	Member

Field	Value
ID	73627
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY18309
Member ID	05
Peak ID	CHOY
Year	2018
Season	3
First Name	Hirohisa
Last Name	Suzuki
Sex	M
Age	0
Birth Date	-
Year of Birth	1978
Calculated Age	40
Citizenship	Japan
Status	Climber
Residence	Osaka Gotenba-shi, Osaka, Japan
Occupation	Alpine guide
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	False
High Point (m)	True
Personal High Point (m)	8188
Summit Date 1	2018-09-26
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0805
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	C2 to smt to C2
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	2441482
Summit Note 1	0
Summit Note 2	0
Summit Note 3	0
Death Route	0
Name (lowercase)	hirohisa suzuki
Year of Birth	1978
Year	2018
Age at Expedition	40
Role	Member

Field	Value
ID	73628
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY18309
Member ID	06
Peak ID	CHOY
Year	2018
Season	3
First Name	Ngima Sona (Nima Sona)
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1970
Calculated Age	48
Citizenship	Nepal
Status	H-A Worker
Residence	Phortse, 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	False
High Point (m)	True
Personal High Point (m)	8188
Summit Date 1	2018-09-26
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0805
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	C2 to smt to C2
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	2438712
Summit Note 1	0
Summit Note 2	0
Summit Note 3	0
Death Route	0
Name (lowercase)	ngima sona (nima sona) sherpa
Year of Birth	1970
Year	2018
Age at Expedition	48
Role	Hired

Field	Value
ID	73629
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY18309
Member ID	07
Peak ID	CHOY
Year	2018
Season	3
First Name	Phura Namgya
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1987
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	True
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	False
High Point (m)	True
Personal High Point (m)	8188
Summit Date 1	2018-09-26
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0805
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	C2 to smt to C2
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	2444868
Summit Note 1	0
Summit Note 2	0
Summit Note 3	0
Death Route	0
Name (lowercase)	phura namgya sherpa
Year of Birth	1987
Year	2018
Age at Expedition	31
Role	Hired

Field	Value
ID	73630
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY18309
Member ID	08
Peak ID	CHOY
Year	2018
Season	3
First Name	Phurba Tashi
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1971
Calculated Age	47
Citizenship	Nepal
Status	Sirdar
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	True
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	False
High Point (m)	True
Personal High Point (m)	8188
Summit Date 1	2018-09-26
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0805
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	C2 to smt to C2
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	6th ascent of Cho Oyu
Necrology	-
Summit Bid	5
Summit Term	1
HCN	0
Checksum	2438959
Summit Note 1	0
Summit Note 2	0
Summit Note 3	0
Death Route	0
Name (lowercase)	phurba tashi sherpa
Year of Birth	1971
Year	2018
Age at Expedition	47
Role	Hired

8 recorded members.

Name	Sex	Year of Birth	Citizenship	Status	Residence	Occupation
Shinji Tamura	M	1966	Japan	Leader	Zermatt, Valais, Switzerland	Alpine guide & travel agent	Details Other expeditions
Renee Michael Bergsma	M	1957	Netherlands	Climber	Amsterdam, Netherlands	Pharmacist	Details Other expeditions
Tracee Lee Metcalfe	F	1974	USA	Climber	Vail, Colorado	Physician	Details Other expeditions
Yasuji Nishimura	M	1949	Japan	Climber	Nara, Japan	Retired	Details Other expeditions
Hirohisa Suzuki	M	1978	Japan	Climber	Osaka Gotenba-shi, Osaka, Japan	Alpine guide	Details Other expeditions
Ngima Sona (Nima Sona) Sherpa	M	1970	Nepal	H-A Worker	Phortse, Khumbu	-	Details Other expeditions
Phura Namgya Sherpa	M	1987	Nepal	H-A Worker	Khumjung, Khumbu	-	Details Other expeditions
Phurba Tashi Sherpa	M	1971	Nepal	Sirdar	Khumjung, Khumbu	-	Details Other expeditions

References

0 recorded references.