Everest | 2016 N Col-NE Ridge

A Nepal expedition to Everest in 2016 via N Col-NE Ridge, led by Pemba Norbu Sherpa. Summit reached on 21st May 2016. 2 members recorded.

Expedition Details

Field	Value
ID	9158
Imported	2026-03-06 18:04:49.359634
Expedition ID	EVER16171
Peak ID	EVER
Year	2016
Season	1
Host Country	2
Route 1	N Col-NE Ridge
Route 2	-
Route 3	-
Route 4	-
Nationality	Nepal
Leaders	Pemba Norbu Sherpa
Sponsor	Wild Yak Expeditions Everest 2016
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	Switzerland
Approach	From Cho Oyu
Basecamp Date	2016-05-10
Summit Date	2016-05-21
Summit Time	0345
Summit Days	11
Total Days	13
Termination Date	2016-05-23
Termination Reason	1
Termination Notes	-
High Point (m)	8849
Traverse	False
Ski	False
Paraglide	False
Camps	3
Fixed Rope (m)	0
Total Members	2
Summit Members	2
Member Deaths	0
Total Hired	0
Summit Hired	0
Hired Deaths	0
No Hired	True
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	Attempted Cho Oyu (CHOY-161-06)
Campsites	BC(10/05,5200m),ABC(16/05,6400m),C1(18/05,7000m),C2(19/05,7800m),C3(20/05,8300m),Smt(21/05)
Route Notes	Zimmermann and Pemba Norbu left C3 on 20 May at 10 pm (NST), summited on 21 May at 3:34 am, stayed more than 1 hour, then descended to ABC arriving at 7:30 pm. Weather was perfect with full moon. Oxygen: For Everest only, from 7800m to smt to 7800m.
Accidents	-
Achievement	Zimmermann 1st woman to attempt these two summits in a row in the same season
Agency	Wild Yak Expeditions
Commercial Route	True
Standard Route	True
Primary Route	False
Primary Member	False
Primary Reference	True
Primary ID	CHOY16106
Checksum	2459591
Year	2016
Summit Success	True
O2 Summary	Used
Route (lowercase)	n col-ne ridge

Members

Field	Value
ID	66748
Imported	2026-03-06 18:06:05.675609
Expedition ID	EVER16171
Member ID	02
Peak ID	EVER
Year	2016
Season	1
First Name	Andrea Ursina
Last Name	Zimmermann
Sex	F
Age	0
Birth Date	-
Year of Birth	1976
Calculated Age	39
Citizenship	Switzerland
Status	Climber
Residence	Verossaz, Valais, Switzerland
Occupation	Sports attorney & tour leader
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	2016-05-21
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0345
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 7800m to smt to 7800m
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	2440911
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	andrea ursina zimmermann
Year of Birth	1976
Year	2016
Age at Expedition	40
Role	Member

Field	Value
ID	66749
Imported	2026-03-06 18:06:05.675609
Expedition ID	EVER16171
Member ID	01
Peak ID	EVER
Year	2016
Season	1
First Name	Pemba Norbu/Nurbu
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1978
Calculated Age	37
Citizenship	Nepal
Status	Leader
Residence	Ghunsa, Lelep-9, Taplejung
Occupation	-
Leader	True
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	False
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	2016-05-21
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0345
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 7800m to smt to 7800m
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	6th ascent of Everest; brother of Kusang Tenzing
Necrology	-
Summit Bid	5
Summit Term	1
HCN	0
Checksum	2441749
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	pemba norbu/nurbu sherpa
Year of Birth	1978
Year	2016
Age at Expedition	38
Role	Leader

2 recorded members.

Name	Sex	Year of Birth	Citizenship	Status	Residence	Occupation
Andrea Ursina Zimmermann	F	1976	Switzerland	Climber	Verossaz, Valais, Switzerland	Sports attorney & tour leader	Details Other expeditions
Pemba Norbu/Nurbu Sherpa	M	1978	Nepal	Leader	Ghunsa, Lelep-9, Taplejung	-	Details Other expeditions

References

0 recorded references.