Everest | 2012 N Col-NE Ridge

A Sweden expedition to Everest in 2012 via N Col-NE Ridge, led by Petter Hiden-Rudander. Summit reached on 19th May 2012. 2 members recorded.

Expedition Details

Field	Value
ID	7438
Imported	2026-03-06 18:04:49.359634
Expedition ID	EVER12105
Peak ID	EVER
Year	2012
Season	1
Host Country	2
Route 1	N Col-NE Ridge
Route 2	-
Route 3	-
Route 4	-
Nationality	Sweden
Leaders	Petter Hiden-Rudander
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	-
Approach	Zhangmu->Nyalam->Tingri
Basecamp Date	2012-04-23
Summit Date	2012-05-19
Summit Time	0750
Summit Days	26
Total Days	31
Termination Date	2012-05-24
Termination Reason	1
Termination Notes	-
High Point (m)	8849
Traverse	False
Ski	False
Paraglide	False
Camps	3
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	True
O2 Sleep	False
O2 Medical	False
O2 Taken	False
O2 Unknown	False
Other Summits	-
Campsites	BC(23/04,5200m),ABC(27/04,6400m),C1(08/05,7000m),C2(17/05,7700m),C3(18/05,8300m),Smt(19/05)
Route Notes	BC 23 Apr 5200m ABC 27 Apr 6400m C1 08 May 7000m C2 17 May 7700m C3 18 May 8300m Smt 19 May by Hiden-Rudander, Chhiring Dorje at 7:50 am. Team left C3 at 11 pm on 18 May. Weather was good but windy. Summit was very crowded; they stayed about half an hour on the summit, then descended to ABC, where they arrived at 9:30 pm. On 21 May, they descended to BC and left BC on 24 May. Oxygen: Taken and used from C3 to top to C1 by all Sherpas and members. Sherpa: Chhiring Dorje, Beding, Dolakha, 26/10/1974
Accidents	-
Achievement	-
Agency	Rolwaling Excursion
Commercial Route	True
Standard Route	True
Primary Route	False
Primary Member	False
Primary Reference	False
Primary ID	-
Checksum	2462444
Year	2012
Summit Success	True
O2 Summary	Used
Route (lowercase)	n col-ne ridge

Members

Field	Value
ID	55205
Imported	2026-03-06 18:06:05.675609
Expedition ID	EVER12105
Member ID	01
Peak ID	EVER
Year	2012
Season	1
First Name	Petter Andreas
Last Name	Hiden-Rudander
Sex	M
Age	0
Birth Date	-
Year of Birth	1988
Calculated Age	23
Citizenship	Sweden
Status	Leader
Residence	Oslo, Norway
Occupation	Co-worker, fishing industry
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	2012-05-19
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0750
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	True
O2 Sleep	False
O2 Medical	False
O2 Notes	From C3 to smt to C1
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	2445310
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	petter andreas hiden-rudander
Year of Birth	1988
Year	2012
Age at Expedition	24
Role	Leader

Field	Value
ID	55206
Imported	2026-03-06 18:06:05.675609
Expedition ID	EVER12105
Member ID	02
Peak ID	EVER
Year	2012
Season	1
First Name	Chhiring Dorje
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1974
Calculated Age	37
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	2012-05-19
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0750
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	True
O2 Sleep	False
O2 Medical	False
O2 Notes	From C3 to smt to C1
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	12th ascent of Everest
Necrology	-
Summit Bid	5
Summit Term	1
HCN	0
Checksum	2440331
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	chhiring dorje sherpa
Year of Birth	1974
Year	2012
Age at Expedition	38
Role	Hired

2 recorded members.

Name	Sex	Year of Birth	Citizenship	Status	Residence	Occupation
Petter Andreas Hiden-Rudander	M	1988	Sweden	Leader	Oslo, Norway	Co-worker, fishing industry	Details Other expeditions
Chhiring Dorje Sherpa	M	1974	Nepal	H-A Worker	Beding, Dolakha	-	Details Other expeditions

References

0 recorded references.