Everest | 2013 S Col-SE Ridge

A Japan expedition to Everest in 2013 via S Col-SE Ridge, led by Naoko Watanabe. Summit reached on 18th May 2013. 2 members recorded.

Expedition Details

Field	Value
ID	7979
Imported	2026-03-06 18:04:49.359634
Expedition ID	EVER13121
Peak ID	EVER
Year	2013
Season	1
Host Country	1
Route 1	S Col-SE Ridge
Route 2	-
Route 3	-
Route 4	-
Nationality	Japan
Leaders	Naoko Watanabe
Sponsor	Seven Summit Treks Everest Expedition 2013
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	2013-04-13
Summit Date	2013-05-18
Summit Time	0630
Summit Days	35
Total Days	41
Termination Date	2013-05-24
Termination Reason	1
Termination Notes	-
High Point (m)	8849
Traverse	False
Ski	False
Paraglide	False
Camps	4
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(13/04,5350m),C1(26/04,6000m),C2(27/04,6400m),C3(16/05,7300m),C4(17/05,7900m),Smt(18/05)
Route Notes	BC 13 Apr 5350m C1 26 Apr 6000m C2 27 Apr 6400m C3 16 May 7300m C4 17 May 7900m HPt 18 May by Watanabe, Sona Sherpa at 6:30 am. Summit team left C4 at 8 pm on 17 May. At first it was calm, but the winds picked up at the Hillary Step. Straightforward climb. They summited at 6:30 am and stayed about 30 minutes on the summit, then descended to C3, where they arrived at 6 pm. On 19 May they descended to C2. As Sona Sherpa helped with the rescue of the Taiwanese climber, who later died on Lhotse, they stayed at C2 for 2 nights. On 21 May to BC. Oxygen: Taken and used from C3 to top to C3 by Watanabe Taken and used from C4 to top to C4 by Sona Sherpa: Sona, 26/11/77, Chheskam-2, Solu, Everest X2, Makalu X1
Accidents	-
Achievement	-
Agency	Seven Summit Treks
Commercial Route	True
Standard Route	True
Primary Route	False
Primary Member	False
Primary Reference	False
Primary ID	-
Checksum	2462854
Year	2013
Summit Success	True
O2 Summary	Used
Route (lowercase)	s col-se ridge

Members

Field	Value
ID	58478
Imported	2026-03-06 18:06:05.675609
Expedition ID	EVER13121
Member ID	01
Peak ID	EVER
Year	2013
Season	1
First Name	Naoko
Last Name	Watanabe
Sex	F
Age	0
Birth Date	-
Year of Birth	1981
Calculated Age	31
Citizenship	Japan
Status	Leader
Residence	Honjo-shi, Fukuoka, Japan
Occupation	Nurse
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	2013-05-18
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0630
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	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	2442862
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	naoko watanabe
Year of Birth	1981
Year	2013
Age at Expedition	32
Role	Leader

Field	Value
ID	58479
Imported	2026-03-06 18:06:05.675609
Expedition ID	EVER13121
Member ID	02
Peak ID	EVER
Year	2013
Season	1
First Name	Sona
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1977
Calculated Age	35
Citizenship	Nepal
Status	H-A Worker
Residence	Chheskam-2, 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	2013-05-18
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0630
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	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	3rd ascent of Everest
Necrology	-
Summit Bid	5
Summit Term	1
HCN	0
Checksum	2441435
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	sona sherpa
Year of Birth	1977
Year	2013
Age at Expedition	36
Role	Hired

2 recorded members.

Name	Sex	Year of Birth	Citizenship	Status	Residence	Occupation
Naoko Watanabe	F	1981	Japan	Leader	Honjo-shi, Fukuoka, Japan	Nurse	Details Other expeditions
Sona Sherpa	M	1977	Nepal	H-A Worker	Chheskam-2, Solukhumbu	-	Details Other expeditions

References

0 recorded references.