Ama Dablam | 2011 SW Ridge

A Japan expedition to Ama Dablam in 2011 via SW Ridge, led by Tatsuo Matsumoto. Summit reached on 7th November 2011. 4 members recorded.

Expedition Details

Field	Value
ID	7731
Imported	2026-03-06 18:04:49.359634
Expedition ID	AMAD11345
Peak ID	AMAD
Year	2011
Season	3
Host Country	1
Route 1	SW Ridge
Route 2	-
Route 3	-
Route 4	-
Nationality	Japan
Leaders	Tatsuo Matsumoto
Sponsor	-
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	Brazil
Approach	-
Basecamp Date	2011-11-03
Summit Date	2011-11-07
Summit Time	1100
Summit Days	4
Total Days	6
Termination Date	2011-11-09
Termination Reason	1
Termination Notes	-
High Point (m)	6814
Traverse	False
Ski	False
Paraglide	False
Camps	0
Fixed Rope (m)	0
Total Members	2
Summit Members	2
Member Deaths	0
Total Hired	2
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	Climbed Lobuche East and Island Peak
Campsites	BC(03/11,4600m),C1(04/11,5600m),C2(05/11,6000m),C3(06/11,6325m),Smt(07/11)
Route Notes	Tatsuo Matsumoto (email) - 27 Nov 2012 03/11/11 - BC (4600m) 04/11/11 - BC -> C1 (5600m) 05/11/11 - C1 -> C2 (6000m) 06/11/11 - C2 -> C3 (6325m) 07/11/11 - C3 -> Summit (departure 6:00 am, summit at 11:00 Matsumoto and 11:30 (AM) Antonio Carlos; back to C2 08/11/11 - C2 -> BC On the same expedition, we summited Lobuche East and Island Peak: Lobuche East, summited on 29 Oct 2011, 10 am Island Peak, summited on 1 Nov 2011, 8 am
Accidents	-
Achievement	-
Agency	Adventure Extreme
Commercial Route	True
Standard Route	False
Primary Route	False
Primary Member	False
Primary Reference	-
Primary ID	-
Checksum	2460584
Year	2011
Summit Success	True
O2 Summary	None
Route (lowercase)	sw ridge

Members

Field	Value
ID	56946
Imported	2026-03-06 18:06:05.675609
Expedition ID	AMAD11345
Member ID	01
Peak ID	AMAD
Year	2011
Season	3
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)	6814
Summit Date 1	2011-11-07
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	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	2427674
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	56947
Imported	2026-03-06 18:06:05.675609
Expedition ID	AMAD11345
Member ID	02
Peak ID	AMAD
Year	2011
Season	3
First Name	Antonio Carlos (Wally)
Last Name	Fernandes de Borja
Sex	M
Age	0
Birth Date	-
Year of Birth	1958
Calculated Age	53
Citizenship	Brazil
Status	Climber
Residence	Rio de Janeiro, Brazil
Occupation	-
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)	6814
Summit Date 1	2011-11-07
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1130
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	2434321
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	antonio carlos (wally) fernandes de borja
Year of Birth	1958
Year	2011
Age at Expedition	53
Role	Member

Field	Value
ID	57028
Imported	2026-03-06 18:06:05.675609
Expedition ID	AMAD11345
Member ID	03
Peak ID	AMAD
Year	2011
Season	3
First Name	Ngima
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	-
Calculated Age	0
Citizenship	Nepal
Status	H-A Worker
Residence	-
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)	6814
Summit Date 1	2011-11-07
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	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	-26
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	ngima sherpa
Year of Birth	-
Year	2011
Age at Expedition	-
Role	Hired

Field	Value
ID	57029
Imported	2026-03-06 18:06:05.675609
Expedition ID	AMAD11345
Member ID	04
Peak ID	AMAD
Year	2011
Season	3
First Name	Phurba Namgyal
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1986
Calculated Age	25
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)	6814
Summit Date 1	2011-11-07
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1130
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	2444457
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	phurba namgyal sherpa
Year of Birth	1986
Year	2011
Age at Expedition	25
Role	Hired

4 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
Antonio Carlos (Wally) Fernandes de Borja	M	1958	Brazil	Climber	Rio de Janeiro, Brazil	-	Details Other expeditions
Ngima Sherpa	M	-	Nepal	H-A Worker	-	-	Details Other expeditions
Phurba Namgyal Sherpa	M	1986	Nepal	H-A Worker	Beding, Dolakha	-	Details Other expeditions

References

Field	Value
ID	8631
Imported	2026-03-06 18:06:36.307770
Expedition ID	AMAD11345
Reference ID	01
Year	2011
Type	5
Journal	-
Author	-
Title	http://www.youtube.com/watch?v=3X1s1kg0BqU
Publisher	-
Publication Date	-
Language	Portugese
Citation	-
Yak 94	-
Notes	-

1 recorded references.

Expedition ID	Journal	Author	Title	Publisher	Citation	Yak 94
AMAD11345	-	-	http://www.youtube.com/watch?v=3X1s1kg0BqU	-	-	-