Cho Oyu | 2015 NW side

A Germany expedition to Cho Oyu in 2015 via NW side, led by Thomas Laemmle. Summit reached on 20th April 2015. 11 members recorded.

Expedition Details

Field	Value
ID	9025
Imported	2026-03-06 18:04:49.359634
Expedition ID	CHOY15108
Peak ID	CHOY
Year	2015
Season	1
Host Country	2
Route 1	NW side
Route 2	-
Route 3	-
Route 4	-
Nationality	Germany
Leaders	Thomas Laemmle
Sponsor	Amical Alpin Cho Oyu Expedition 2015
Success 1	False
Success 2	False
Success 3	False
Success 4	False
Ascent 1	-
Ascent 2	-
Ascent 3	-
Ascent 4	-
Claimed	False
Disputed	False
Countries	Austria, Switzerland
Approach	Kodari->Tingri
Basecamp Date	2015-04-14
Summit Date	2015-04-20
Summit Time	-
Summit Days	6
Total Days	17
Termination Date	2015-05-01
Termination Reason	14
Termination Notes	Abandoned at 5700m due to earthquake
High Point (m)	5700
Traverse	False
Ski	False
Paraglide	False
Camps	0
Fixed Rope (m)	0
Total Members	11
Summit Members	0
Member Deaths	0
Total Hired	0
Summit Hired	0
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	-
Campsites	BC(14/04,4900m),IC(18/04,5350m),ABC(20/04,5700m),xxx
Route Notes	Expedition cancelled due to earthquake in Nepal.
Accidents	-
Achievement	-
Agency	Thamserku Trekking
Commercial Route	True
Standard Route	True
Primary Route	False
Primary Member	False
Primary Reference	-
Primary ID	-
Checksum	2462793
Year	2015
Summit Success	False
O2 Summary	None
Route (lowercase)	nw side

Members

Field	Value
ID	65531
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY15108
Member ID	01
Peak ID	CHOY
Year	2015
Season	1
First Name	Thomas
Last Name	Laemmle
Sex	M
Age	0
Birth Date	-
Year of Birth	1965
Calculated Age	49
Citizenship	Germany
Status	Leader
Residence	Waldburg, Baden-Wuerttemburg, Germany
Occupation	Sport scientist & alpine guide
Leader	True
Deputy	False
Basecamp Only	True
Not to BC	False
Support	False
Disabled	False
Hired	False
Sherpa	False
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	False
High Point (m)	False
Personal High Point (m)	0
Summit Date 1	-
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	0
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	1
Summit Term	18
HCN	0
Checksum	2436906
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	thomas laemmle
Year of Birth	1965
Year	2015
Age at Expedition	50
Role	Leader

Field	Value
ID	65532
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY15108
Member ID	02
Peak ID	CHOY
Year	2015
Season	1
First Name	Peter
Last Name	Aigner
Sex	M
Age	0
Birth Date	-
Year of Birth	1955
Calculated Age	59
Citizenship	Austria
Status	Climber
Residence	Reichraming, Austria
Occupation	Pensioner
Leader	False
Deputy	False
Basecamp Only	True
Not to BC	False
Support	False
Disabled	False
Hired	False
Sherpa	False
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	False
High Point (m)	False
Personal High Point (m)	0
Summit Date 1	-
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	0
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	1
Summit Term	18
HCN	0
Checksum	2433287
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	peter aigner
Year of Birth	1955
Year	2015
Age at Expedition	60
Role	BC Only

Field	Value
ID	65533
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY15108
Member ID	03
Peak ID	CHOY
Year	2015
Season	1
First Name	Tobias
Last Name	Bailer
Sex	M
Age	0
Birth Date	-
Year of Birth	1986
Calculated Age	29
Citizenship	Germany
Status	Climber
Residence	Wain
Occupation	Engineer
Leader	False
Deputy	False
Basecamp Only	True
Not to BC	False
Support	False
Disabled	False
Hired	False
Sherpa	False
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	False
High Point (m)	False
Personal High Point (m)	0
Summit Date 1	-
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	0
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	1
Summit Term	18
HCN	0
Checksum	2444432
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	tobias bailer
Year of Birth	1986
Year	2015
Age at Expedition	29
Role	BC Only

Field	Value
ID	65534
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY15108
Member ID	04
Peak ID	CHOY
Year	2015
Season	1
First Name	Harald
Last Name	Bauer
Sex	M
Age	0
Birth Date	-
Year of Birth	1957
Calculated Age	57
Citizenship	Austria
Status	Climber
Residence	Moedling, Lower Austria, Austria
Occupation	Management consultant
Leader	False
Deputy	False
Basecamp Only	True
Not to BC	False
Support	False
Disabled	False
Hired	False
Sherpa	False
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	False
High Point (m)	False
Personal High Point (m)	0
Summit Date 1	-
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	0
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	1
Summit Term	18
HCN	0
Checksum	2434058
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	harald bauer
Year of Birth	1957
Year	2015
Age at Expedition	58
Role	BC Only

Field	Value
ID	65535
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY15108
Member ID	05
Peak ID	CHOY
Year	2015
Season	1
First Name	Michael Horst Willi Karl Heinz
Last Name	Fahrenkamp
Sex	M
Age	0
Birth Date	-
Year of Birth	1966
Calculated Age	48
Citizenship	Germany
Status	Climber
Residence	Affalterbach, Baden-Wuerttemburg, Germany
Occupation	Consultant
Leader	False
Deputy	False
Basecamp Only	True
Not to BC	False
Support	False
Disabled	False
Hired	False
Sherpa	False
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	False
High Point (m)	False
Personal High Point (m)	0
Summit Date 1	-
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	0
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	1
Summit Term	18
HCN	0
Checksum	2437259
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	michael horst willi karl heinz fahrenkamp
Year of Birth	1966
Year	2015
Age at Expedition	49
Role	BC Only

Field	Value
ID	65536
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY15108
Member ID	06
Peak ID	CHOY
Year	2015
Season	1
First Name	Reinhold
Last Name	Hakala
Sex	M
Age	0
Birth Date	-
Year of Birth	1966
Calculated Age	48
Citizenship	Germany
Status	Climber
Residence	Oberostendorf, Bavaria, Germany
Occupation	Carpenter
Leader	False
Deputy	False
Basecamp Only	True
Not to BC	False
Support	False
Disabled	False
Hired	False
Sherpa	False
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	False
High Point (m)	False
Personal High Point (m)	0
Summit Date 1	-
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	0
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	1
Summit Term	18
HCN	0
Checksum	2437373
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	reinhold hakala
Year of Birth	1966
Year	2015
Age at Expedition	49
Role	BC Only

Field	Value
ID	65537
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY15108
Member ID	07
Peak ID	CHOY
Year	2015
Season	1
First Name	Martin
Last Name	Heer
Sex	M
Age	0
Birth Date	-
Year of Birth	1950
Calculated Age	64
Citizenship	Switzerland
Status	Climber
Residence	Winterthur, Zurich, Switzerland
Occupation	Physician
Leader	False
Deputy	False
Basecamp Only	True
Not to BC	False
Support	False
Disabled	False
Hired	False
Sherpa	False
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	False
High Point (m)	False
Personal High Point (m)	0
Summit Date 1	-
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	0
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	1
Summit Term	18
HCN	0
Checksum	2431555
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	martin heer
Year of Birth	1950
Year	2015
Age at Expedition	65
Role	BC Only

Field	Value
ID	65538
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY15108
Member ID	08
Peak ID	CHOY
Year	2015
Season	1
First Name	Michael
Last Name	Indrak
Sex	M
Age	0
Birth Date	-
Year of Birth	1985
Calculated Age	29
Citizenship	Germany
Status	Climber
Residence	Berglen, Baden-Wuerttemburg, Germany
Occupation	Technical engineer
Leader	False
Deputy	False
Basecamp Only	True
Not to BC	False
Support	False
Disabled	False
Hired	False
Sherpa	False
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	False
High Point (m)	False
Personal High Point (m)	0
Summit Date 1	-
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	0
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	1
Summit Term	18
HCN	0
Checksum	2444185
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	michael indrak
Year of Birth	1985
Year	2015
Age at Expedition	30
Role	BC Only

Field	Value
ID	65539
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY15108
Member ID	09
Peak ID	CHOY
Year	2015
Season	1
First Name	Thomas
Last Name	Klein
Sex	M
Age	0
Birth Date	-
Year of Birth	1969
Calculated Age	45
Citizenship	Germany
Status	Climber
Residence	Holle, Lower Saxony, Germany
Occupation	Physician
Leader	False
Deputy	False
Basecamp Only	True
Not to BC	False
Support	False
Disabled	False
Hired	False
Sherpa	False
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	False
High Point (m)	False
Personal High Point (m)	0
Summit Date 1	-
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	0
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	1
Summit Term	18
HCN	0
Checksum	2438387
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	thomas klein
Year of Birth	1969
Year	2015
Age at Expedition	46
Role	BC Only

Field	Value
ID	65540
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY15108
Member ID	10
Peak ID	CHOY
Year	2015
Season	1
First Name	Jens
Last Name	Mittag
Sex	M
Age	0
Birth Date	-
Year of Birth	1966
Calculated Age	48
Citizenship	Germany
Status	Climber
Residence	Berlin, Germany
Occupation	Engineer
Leader	False
Deputy	False
Basecamp Only	True
Not to BC	False
Support	False
Disabled	False
Hired	False
Sherpa	False
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	False
High Point (m)	False
Personal High Point (m)	0
Summit Date 1	-
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	0
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	1
Summit Term	18
HCN	0
Checksum	2437328
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	jens mittag
Year of Birth	1966
Year	2015
Age at Expedition	49
Role	BC Only

Field	Value
ID	65541
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY15108
Member ID	11
Peak ID	CHOY
Year	2015
Season	1
First Name	Hans Otto Volker
Last Name	Schumann
Sex	M
Age	0
Birth Date	-
Year of Birth	1962
Calculated Age	53
Citizenship	Germany
Status	Climber
Residence	Hannover, Lower Saxony, Germany
Occupation	Physicist
Leader	False
Deputy	False
Basecamp Only	True
Not to BC	False
Support	False
Disabled	False
Hired	False
Sherpa	False
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	False
High Point (m)	False
Personal High Point (m)	0
Summit Date 1	-
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	0
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	1
Summit Term	18
HCN	0
Checksum	2435662
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	hans otto volker schumann
Year of Birth	1962
Year	2015
Age at Expedition	53
Role	BC Only

11 recorded members.

Name	Sex	Year of Birth	Citizenship	Status	Residence	Occupation
Thomas Laemmle	M	1965	Germany	Leader	Waldburg, Baden-Wuerttemburg, Germany	Sport scientist & alpine guide	Details Other expeditions
Peter Aigner	M	1955	Austria	Climber	Reichraming, Austria	Pensioner	Details Other expeditions
Tobias Bailer	M	1986	Germany	Climber	Wain	Engineer	Details Other expeditions
Harald Bauer	M	1957	Austria	Climber	Moedling, Lower Austria, Austria	Management consultant	Details Other expeditions
Michael Horst Willi Karl Heinz Fahrenkamp	M	1966	Germany	Climber	Affalterbach, Baden-Wuerttemburg, Germany	Consultant	Details Other expeditions
Reinhold Hakala	M	1966	Germany	Climber	Oberostendorf, Bavaria, Germany	Carpenter	Details Other expeditions
Martin Heer	M	1950	Switzerland	Climber	Winterthur, Zurich, Switzerland	Physician	Details Other expeditions
Michael Indrak	M	1985	Germany	Climber	Berglen, Baden-Wuerttemburg, Germany	Technical engineer	Details Other expeditions
Thomas Klein	M	1969	Germany	Climber	Holle, Lower Saxony, Germany	Physician	Details Other expeditions
Jens Mittag	M	1966	Germany	Climber	Berlin, Germany	Engineer	Details Other expeditions
Hans Otto Volker Schumann	M	1962	Germany	Climber	Hannover, Lower Saxony, Germany	Physicist	Details Other expeditions

References

Field	Value
ID	9493
Imported	2026-03-06 18:06:36.307770
Expedition ID	CHOY15108
Reference ID	01
Year	2015
Type	5
Journal	-
Author	-
Title	http://www.amical-alpin.com/2015/03/19/cho-oyu-2015-expeditionstagebuch/
Publisher	-
Publication Date	-
Language	German
Citation	-
Yak 94	-
Notes	-

1 recorded references.

Expedition ID	Journal	Author	Title	Publisher	Citation	Yak 94
CHOY15108	-	-	http://www.amical-alpin.com/2015/03/19/cho-oyu-2015-expeditionstagebuch/	-	-	-