Cho Oyu | 2001 NW side

A Japan expedition to Cho Oyu in 2001 via NW side, led by Osamu Tanabe. Summit reached on 9th October 2001. 9 members recorded.

Expedition Details

Field	Value
ID	3906
Imported	2026-03-06 18:04:49.359634
Expedition ID	CHOY01307
Peak ID	CHOY
Year	2001
Season	3
Host Country	2
Route 1	NW side
Route 2	-
Route 3	-
Route 4	-
Nationality	Japan
Leaders	Osamu Tanabe
Sponsor	JAC Tokai Cho Oyu Expedition 2001
Success 1	True
Success 2	False
Success 3	False
Success 4	False
Ascent 1	421,425
Ascent 2	-
Ascent 3	-
Ascent 4	-
Claimed	False
Disputed	False
Countries	-
Approach	-
Basecamp Date	2001-09-16
Summit Date	2001-10-09
Summit Time	0900
Summit Days	23
Total Days	29
Termination Date	2001-10-15
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	6
Member Deaths	0
Total Hired	3
Summit Hired	2
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(16/09),ABC(21/09,5650m),C1(27/09,6400m),C2(01/10,7000m),C3(08/10,7400m),Smt(09,11/10)
Route Notes	1st summit party of 3 members left C3 for top at 5:00 am (NST). 2 Sherpas left C2 at 3:00 am and Japanese joined them in move upwards. All on top together 9:00 am. Very strong wind and very cloudy but saw prayer flags; followed Norwegian tracks; all descended to ABC at 5:30 pm. 11 Oct team went up to C3 on 10 Oct. Left C3 at 6:00 am and on top 9:30 am and saw Everest, but very strong wind; also slept ABC that night. Sherpas: Dawa Tshering (Dawa Chhiri), Beding, Cho Oyu X3, Everest X3, Broad Peak X1 Nima Dorje, Beding, Lhotse X1, Cho Oyu X4, Everest X6, etc
Accidents	Tobita eye problem; no other problems
Achievement	-
Agency	Rolwaling Excursion
Commercial Route	True
Standard Route	True
Primary Route	False
Primary Member	False
Primary Reference	-
Primary ID	-
Checksum	2457523
Year	2001
Summit Success	True
O2 Summary	Used
Route (lowercase)	nw side

Members

Field	Value
ID	30719
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY01307
Member ID	03
Peak ID	CHOY
Year	2001
Season	3
First Name	Yasuhiro
Last Name	Hanatani
Sex	M
Age	0
Birth Date	-
Year of Birth	1976
Calculated Age	25
Citizenship	Japan
Status	Climber
Residence	Sarashina, Nagano, 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	-
High Point (m)	True
Personal High Point (m)	8188
Summit Date 1	2001-10-11
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0930
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	425
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	Sleeping C3 & to top and down 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	2440995
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	yasuhiro hanatani
Year of Birth	1976
Year	2001
Age at Expedition	25
Role	Member

Field	Value
ID	30720
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY01307
Member ID	05
Peak ID	CHOY
Year	2001
Season	3
First Name	Hisao
Last Name	Otani
Sex	M
Age	0
Birth Date	-
Year of Birth	1969
Calculated Age	32
Citizenship	Japan
Status	Climber
Residence	Yokohama, Japan
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	2001-10-09
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0900
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	421
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	Sleeping C3 & to top and down 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	2438447
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	hisao otani
Year of Birth	1969
Year	2001
Age at Expedition	32
Role	Member

Field	Value
ID	30721
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY01307
Member ID	04
Peak ID	CHOY
Year	2001
Season	3
First Name	Manabu
Last Name	Miyoshi
Sex	M
Age	0
Birth Date	-
Year of Birth	1966
Calculated Age	34
Citizenship	Japan
Status	Climber
Residence	Toyohashi, Aichi, Japan
Occupation	Driver
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	2001-10-09
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0900
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	421
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	Sleeping C3 & to top and down 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	2437473
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	manabu miyoshi
Year of Birth	1966
Year	2001
Age at Expedition	35
Role	Member

Field	Value
ID	30722
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY01307
Member ID	06
Peak ID	CHOY
Year	2001
Season	3
First Name	Mikio
Last Name	Suzuki
Sex	M
Age	0
Birth Date	-
Year of Birth	1967
Calculated Age	34
Citizenship	Japan
Status	Climber
Residence	Kyoto, Japan
Occupation	Office worker
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	2001-10-11
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0930
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	425
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	Sleeping C3 & to top and down 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	2437561
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	mikio suzuki
Year of Birth	1967
Year	2001
Age at Expedition	34
Role	Member

Field	Value
ID	30723
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY01307
Member ID	02
Peak ID	CHOY
Year	2001
Season	3
First Name	Masamiki
Last Name	Takine
Sex	M
Age	0
Birth Date	-
Year of Birth	1951
Calculated Age	49
Citizenship	Japan
Status	Deputy Leader
Residence	Nagoya, Aichi, Japan
Occupation	Post office employee
Leader	False
Deputy	True
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	2001-10-11
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0930
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	425
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	Sleeping C3 & to top and down 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	2431960
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	masamiki takine
Year of Birth	1951
Year	2001
Age at Expedition	50
Role	Deputy

Field	Value
ID	30724
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY01307
Member ID	01
Peak ID	CHOY
Year	2001
Season	3
First Name	Osamu
Last Name	Tanabe
Sex	M
Age	0
Birth Date	-
Year of Birth	1961
Calculated Age	40
Citizenship	Japan
Status	Leader
Residence	Nagoya, Aichi, Japan
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	2001-10-09
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0900
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	421
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	Sleeping C3 & to top and down 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	2435317
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	osamu tanabe
Year of Birth	1961
Year	2001
Age at Expedition	40
Role	Leader

Field	Value
ID	30725
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY01307
Member ID	07
Peak ID	CHOY
Year	2001
Season	3
First Name	Kazuo
Last Name	Tobita
Sex	M
Age	0
Birth Date	-
Year of Birth	1946
Calculated Age	55
Citizenship	Japan
Status	Climber
Residence	Saitama-shi, Saitama, Japan
Occupation	Telephone 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	1
Summit Term	19
HCN	0
Checksum	2429928
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	kazuo tobita
Year of Birth	1946
Year	2001
Age at Expedition	55
Role	Member

Field	Value
ID	30726
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY01307
Member ID	08
Peak ID	CHOY
Year	2001
Season	3
First Name	Dawa Tshering (Dawa Chhiri)
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1971
Calculated Age	30
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	2001-10-09
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0900
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	421
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	2439170
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	dawa tshering (dawa chhiri) sherpa
Year of Birth	1971
Year	2001
Age at Expedition	30
Role	Hired

Field	Value
ID	30727
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY01307
Member ID	09
Peak ID	CHOY
Year	2001
Season	3
First Name	Nima Dorje (Dorje)
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1955
Calculated Age	46
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	2001-10-09
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0900
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	421
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	2433257
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	nima dorje (dorje) sherpa
Year of Birth	1955
Year	2001
Age at Expedition	46
Role	Hired

9 recorded members.

Name	Sex	Year of Birth	Citizenship	Status	Residence	Occupation
Yasuhiro Hanatani	M	1976	Japan	Climber	Sarashina, Nagano, Japan	Alpine guide	Details Other expeditions
Hisao Otani	M	1969	Japan	Climber	Yokohama, Japan	Engineer	Details Other expeditions
Manabu Miyoshi	M	1966	Japan	Climber	Toyohashi, Aichi, Japan	Driver	Details Other expeditions
Mikio Suzuki	M	1967	Japan	Climber	Kyoto, Japan	Office worker	Details Other expeditions
Masamiki Takine	M	1951	Japan	Deputy Leader	Nagoya, Aichi, Japan	Post office employee	Details Other expeditions
Osamu Tanabe	M	1961	Japan	Leader	Nagoya, Aichi, Japan	Alpine guide	Details Other expeditions
Kazuo Tobita	M	1946	Japan	Climber	Saitama-shi, Saitama, Japan	Telephone engineer	Details Other expeditions
Dawa Tshering (Dawa Chhiri) Sherpa	M	1971	Nepal	H-A Worker	Beding, Dolakha	-	Details Other expeditions
Nima Dorje (Dorje) Sherpa	M	1955	Nepal	H-A Worker	Beding, Dolakha	-	Details Other expeditions

References

0 recorded references.