Everest | 2010 S Col-SE Ridge

A Japan expedition to Everest in 2010 via S Col-SE Ridge, led by Michihiro Kadoya. Summit reached on 22nd May 2010. 3 members recorded.

Expedition Details

Field	Value
ID	7253
Imported	2026-03-06 18:04:49.359634
Expedition ID	EVER10147
Peak ID	EVER
Year	2010
Season	1
Host Country	1
Route 1	S Col-SE Ridge
Route 2	-
Route 3	-
Route 4	-
Nationality	Japan
Leaders	Michihiro Kadoya
Sponsor	2010 Everest 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	-
Approach	-
Basecamp Date	2010-04-29
Summit Date	2010-05-22
Summit Time	1100
Summit Days	23
Total Days	27
Termination Date	2010-05-26
Termination Reason	1
Termination Notes	-
High Point (m)	8849
Traverse	False
Ski	False
Paraglide	False
Camps	4
Fixed Rope (m)	0
Total Members	2
Summit Members	2
Member Deaths	0
Total Hired	2
Summit Hired	1
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(29/04),C1(05/05,6100m),C2(06/05,6700m),C3(20/05,7300m),C4(21/05,7900m),Smt(22/05)
Route Notes	The two Japanese and Da Dendi left C4 for the summit at midnight of 21/22 May and reached the summit about 11:00 am on the 22nd. The members stayed in C4 that night, while Da Dendi went down to C2 that same day. The members were back in BC on the 23rd and Da Dendi joined them there on the 24th. The two Japanese began using oxygen in C2 for their summit push and continued on it all the way to the top, then to and in C4. Da Dendi was on it in C4, to the summit and to C4. Sherpa: Da Dendi Sherpa, 28/5/81, Saframa, Lokhim, Everest X2, Cho Oyu X3, Manaslu X1
Accidents	-
Achievement	-
Agency	Cosmo Treks
Commercial Route	True
Standard Route	True
Primary Route	False
Primary Member	False
Primary Reference	False
Primary ID	-
Checksum	2461669
Year	2010
Summit Success	True
O2 Summary	Used
Route (lowercase)	s col-se ridge

Members

Field	Value
ID	53855
Imported	2026-03-06 18:06:05.675609
Expedition ID	EVER10147
Member ID	01
Peak ID	EVER
Year	2010
Season	1
First Name	Michihiro
Last Name	Kadoya
Sex	M
Age	0
Birth Date	-
Year of Birth	1963
Calculated Age	46
Citizenship	Japan
Status	Leader
Residence	Sakai, Osaka, 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	False
High Point (m)	True
Personal High Point (m)	8849
Summit Date 1	2010-05-22
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1100
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	True
O2 Medical	False
O2 Notes	In C2 for smt push, all the way to smt, then to & in C4
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	2436345
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	michihiro kadoya
Year of Birth	1963
Year	2010
Age at Expedition	47
Role	Leader

Field	Value
ID	53856
Imported	2026-03-06 18:06:05.675609
Expedition ID	EVER10147
Member ID	02
Peak ID	EVER
Year	2010
Season	1
First Name	Toshihisa
Last Name	Agata
Sex	M
Age	0
Birth Date	-
Year of Birth	1975
Calculated Age	35
Citizenship	Japan
Status	Climber
Residence	Nagoya-shi, Nagoya, Japan
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)	8849
Summit Date 1	2010-05-22
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1100
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	True
O2 Medical	False
O2 Notes	In C2 for smt push, all the way to smt, then to & in C4
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	2440562
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	toshihisa agata
Year of Birth	1975
Year	2010
Age at Expedition	35
Role	Member

Field	Value
ID	53857
Imported	2026-03-06 18:06:05.675609
Expedition ID	EVER10147
Member ID	03
Peak ID	EVER
Year	2010
Season	1
First Name	Da Dendi (Da Tendi)
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1981
Calculated Age	28
Citizenship	Nepal
Status	H-A Worker
Residence	Sakpharma, Lokhim-9, 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	False
High Point (m)	True
Personal High Point (m)	8849
Summit Date 1	2010-05-22
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1100
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	True
O2 Medical	False
O2 Notes	In C4 to smt to & in C4
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	3rd ascent of Everest
Necrology	-
Summit Bid	5
Summit Term	1
HCN	0
Checksum	2442770
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	da dendi (da tendi) sherpa
Year of Birth	1981
Year	2010
Age at Expedition	29
Role	Hired

3 recorded members.

Name	Sex	Year of Birth	Citizenship	Status	Residence	Occupation
Michihiro Kadoya	M	1963	Japan	Leader	Sakai, Osaka, Japan	Alpine guide	Details Other expeditions
Toshihisa Agata	M	1975	Japan	Climber	Nagoya-shi, Nagoya, Japan	Physician	Details Other expeditions
Da Dendi (Da Tendi) Sherpa	M	1981	Nepal	H-A Worker	Sakpharma, Lokhim-9, Solukhumbu	-	Details Other expeditions

References

0 recorded references.