Everest | 2011 S Col-SE Ridge

A Japan expedition to Everest in 2011 via S Col-SE Ridge, led by Tatsuo Matsumoto. Summit reached on 19th May 2011. 2 members recorded.

Expedition Details

Field	Value
ID	7303
Imported	2026-03-06 18:04:49.359634
Expedition ID	EVER11170
Peak ID	EVER
Year	2011
Season	1
Host Country	1
Route 1	S Col-SE Ridge
Route 2	-
Route 3	-
Route 4	-
Nationality	Japan
Leaders	Tatsuo Matsumoto
Sponsor	MME Everest Expedition 2011
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	Lukla->Namche->Debuche->Dingboche->Lobuche
Basecamp Date	2011-04-19
Summit Date	2011-05-19
Summit Time	1100
Summit Days	30
Total Days	33
Termination Date	2011-05-22
Termination Reason	1
Termination Notes	-
High Point (m)	8849
Traverse	False
Ski	False
Paraglide	False
Camps	0
Fixed Rope (m)	0
Total Members	1
Summit Members	1
Member Deaths	0
Total Hired	1
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(19/04,5300m),C1(23/04,6000m),C2(26/04,6500m),C3(17/05,7300m),C4(18/05,7950m),Smt(19/05)
Route Notes	Matsumoto and Nima Tenzi left C4 for summit at 10:15 pm on 18 May in strong wind. They got to the summit at 11 am on 19 May. Matsumoto and Nima Tenzi stayed on summit 40 minutes and descended to C4 about 5 pm. They spent the night there. Next day 20 May both went down to BC. Matsumoto said that more than 50 climbers summited on that day. It was windy before the Balcony and rest of the day the weather was very good. Sherpa: Nima Tenzi, 23/8/80 (7/5/2037), Gaurishankar-1, Dolakha, Cho Oyu X1, Everest X4, Manaslu X2
Accidents	-
Achievement	-
Agency	Adventure Extreme
Commercial Route	True
Standard Route	True
Primary Route	False
Primary Member	False
Primary Reference	False
Primary ID	-
Checksum	2462077
Year	2011
Summit Success	True
O2 Summary	Used
Route (lowercase)	s col-se ridge

Members

Field	Value
ID	54472
Imported	2026-03-06 18:06:05.675609
Expedition ID	EVER11170
Member ID	01
Peak ID	EVER
Year	2011
Season	1
First Name	Tatsuo
Last Name	Matsumoto
Sex	M
Age	0
Birth Date	-
Year of Birth	1940
Calculated Age	71
Citizenship	Japan
Status	Leader
Residence	Rio de Janeiro, Brazil
Occupation	Retired accountant
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	2011-05-19
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	From C3 to smt 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	2427678
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	tatsuo matsumoto
Year of Birth	1940
Year	2011
Age at Expedition	71
Role	Leader

Field	Value
ID	54730
Imported	2026-03-06 18:06:05.675609
Expedition ID	EVER11170
Member ID	02
Peak ID	EVER
Year	2011
Season	1
First Name	Nima Tenji/Tenzi
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1980
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	False
High Point (m)	True
Personal High Point (m)	8849
Summit Date 1	2011-05-19
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	From C4 to smt to 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	5th ascent of Everest
Necrology	-
Summit Bid	5
Summit Term	1
HCN	0
Checksum	2442474
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	nima tenji/tenzi sherpa
Year of Birth	1980
Year	2011
Age at Expedition	31
Role	Hired

2 recorded members.

Name	Sex	Year of Birth	Citizenship	Status	Residence	Occupation
Tatsuo Matsumoto	M	1940	Japan	Leader	Rio de Janeiro, Brazil	Retired accountant	Details Other expeditions
Nima Tenji/Tenzi Sherpa	M	1980	Nepal	H-A Worker	Beding, Dolakha	-	Details Other expeditions

References

0 recorded references.