Cho Oyu | 1989 W Ridge-W Face from N

A Switzerland expedition to Cho Oyu in 1989 via W Ridge-W Face from N, led by Mario Casella. Summit reached on 18th September 1989. 5 members recorded.

Expedition Details

Field	Value
ID	366
Imported	2026-03-06 18:04:49.359634
Expedition ID	CHOY89305
Peak ID	CHOY
Year	1989
Season	3
Host Country	2
Route 1	W Ridge-W Face from N
Route 2	-
Route 3	-
Route 4	-
Nationality	Switzerland
Leaders	Mario Casella
Sponsor	Swiss Expedition to Cho Oyu
Success 1	True
Success 2	False
Success 3	False
Success 4	False
Ascent 1	64th,66th
Ascent 2	-
Ascent 3	-
Ascent 4	-
Claimed	False
Disputed	False
Countries	-
Approach	KTM->Tingri->BC
Basecamp Date	1989-09-03
Summit Date	1989-09-18
Summit Time	-
Summit Days	15
Total Days	0
Termination Date	-
Termination Reason	1
Termination Notes	-
High Point (m)	8188
Traverse	False
Ski	False
Paraglide	False
Camps	3
Fixed Rope (m)	0
Total Members	5
Summit Members	4
Member Deaths	0
Total Hired	0
Summit Hired	0
Hired Deaths	0
No Hired	True
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	ABC(03/09,5400m),C1(05/09,5950m),C2(10/09,6670m),C3(17/09,7540m),Smt(18-19/09)
Route Notes	-
Accidents	None
Achievement	-
Agency	Trekking International
Commercial Route	True
Standard Route	True
Primary Route	False
Primary Member	False
Primary Reference	-
Primary ID	-
Checksum	2453467
Year	1989
Summit Success	True
O2 Summary	None
Route (lowercase)	w ridge-w face from n

Members

Field	Value
ID	4551
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY89305
Member ID	02
Peak ID	CHOY
Year	1989
Season	3
First Name	Michelle
Last Name	Capelli
Sex	M
Age	0
Birth Date	-
Year of Birth	1957
Calculated Age	31
Citizenship	Switzerland
Status	Climber
Residence	Roveredo, Grigioni, Switzerland
Occupation	Alpine guide
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	-
High Point (m)	True
Personal High Point (m)	8188
Summit Date 1	1989-09-19
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	66
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	2434046
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	michelle capelli
Year of Birth	1957
Year	1989
Age at Expedition	32
Role	Member

Field	Value
ID	4552
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY89305
Member ID	01
Peak ID	CHOY
Year	1989
Season	3
First Name	Mario
Last Name	Casella
Sex	M
Age	0
Birth Date	-
Year of Birth	1959
Calculated Age	30
Citizenship	Switzerland
Status	Leader
Residence	Sigirino, Ticino, Switzerland
Occupation	Alpine guide
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	-
High Point (m)	True
Personal High Point (m)	8188
Summit Date 1	1989-09-18
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	64
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	2434599
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	mario casella
Year of Birth	1959
Year	1989
Age at Expedition	30
Role	Leader

Field	Value
ID	4553
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY89305
Member ID	03
Peak ID	CHOY
Year	1989
Season	3
First Name	Pierino
Last Name	Giuliani
Sex	M
Age	0
Birth Date	-
Year of Birth	1958
Calculated Age	31
Citizenship	Switzerland
Status	Climber
Residence	Poschiavo, Graubunden, Switzerland
Occupation	Alpine guide
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	-
High Point (m)	True
Personal High Point (m)	8188
Summit Date 1	1989-09-18
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	64
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	2434071
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	pierino giuliani
Year of Birth	1958
Year	1989
Age at Expedition	31
Role	Member

Field	Value
ID	4554
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY89305
Member ID	04
Peak ID	CHOY
Year	1989
Season	3
First Name	Corrado
Last Name	Margna
Sex	M
Age	0
Birth Date	-
Year of Birth	1961
Calculated Age	28
Citizenship	Switzerland
Status	Climber
Residence	St. Vittore, Grigioni, Switzerland
Occupation	Railway worker
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	-
High Point (m)	True
Personal High Point (m)	8188
Summit Date 1	1989-09-19
Summit Date 2	-
Summit Date 3	-
Summit Time 1	-
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	66
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	2435368
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	corrado margna
Year of Birth	1961
Year	1989
Age at Expedition	28
Role	Member

Field	Value
ID	4555
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY89305
Member ID	05
Peak ID	CHOY
Year	1989
Season	3
First Name	Piero
Last Name	Menucelli
Sex	M
Age	0
Birth Date	-
Year of Birth	1951
Calculated Age	38
Citizenship	Switzerland
Status	Climber
Residence	Bellinzona, Ticino, Switzerland
Occupation	Railway staff member
Leader	False
Deputy	False
Basecamp Only	False
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	-
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	0
Summit Term	0
HCN	0
Checksum	2431704
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	piero menucelli
Year of Birth	1951
Year	1989
Age at Expedition	38
Role	Member

5 recorded members.

Name	Sex	Year of Birth	Citizenship	Status	Residence	Occupation
Michelle Capelli	M	1957	Switzerland	Climber	Roveredo, Grigioni, Switzerland	Alpine guide	Details Other expeditions
Mario Casella	M	1959	Switzerland	Leader	Sigirino, Ticino, Switzerland	Alpine guide	Details Other expeditions
Pierino Giuliani	M	1958	Switzerland	Climber	Poschiavo, Graubunden, Switzerland	Alpine guide	Details Other expeditions
Corrado Margna	M	1961	Switzerland	Climber	St. Vittore, Grigioni, Switzerland	Railway worker	Details Other expeditions
Piero Menucelli	M	1951	Switzerland	Climber	Bellinzona, Ticino, Switzerland	Railway staff member	Details Other expeditions

References

Field	Value
ID	523
Imported	2026-03-06 18:06:36.307770
Expedition ID	CHOY89305
Reference ID	01
Year	1989
Type	2
Journal	AAJ
Author	Hawley, Elizabeth
Title	-
Publisher	-
Publication Date	1990
Language	-
Citation	64:304 (1990)
Yak 94	-
Notes	-

Field	Value
ID	11691
Imported	2026-03-06 18:06:36.307770
Expedition ID	CHOY89305
Reference ID	02
Year	1989
Type	5
Journal	-
Author	-
Title	http://publications.americanalpineclub.org/articles/12199030403/Asia-Tibet-Cho-Oyu
Publisher	-
Publication Date	-
Language	-
Citation	-
Yak 94	-
Notes	-

2 recorded references.

Expedition ID	Journal	Author	Title	Publisher	Citation	Yak 94
CHOY89305	AAJ	Hawley, Elizabeth	-	-	64:304 (1990)	-
CHOY89305	-	-	http://publications.americanalpineclub.org/articles/12199030403/Asia-Tibet-Cho-Oyu	-	-	-