Cho Oyu | 1995 NW side from N

A Mexico expedition to Cho Oyu in 1995 via NW side from N, led by Andres Delgado. Summit reached on 9th May 1995. 4 members recorded.

Expedition Details

Field	Value
ID	1432
Imported	2026-03-06 18:04:49.359634
Expedition ID	CHOY95103
Peak ID	CHOY
Year	1995
Season	1
Host Country	2
Route 1	NW side from N
Route 2	-
Route 3	-
Route 4	-
Nationality	Mexico
Leaders	Andres Delgado
Sponsor	International Mountain Climbing (IMC) Cho Oyu Expedition 1995
Success 1	True
Success 2	False
Success 3	False
Success 4	False
Ascent 1	163
Ascent 2	-
Ascent 3	-
Ascent 4	-
Claimed	False
Disputed	False
Countries	Argentina
Approach	-
Basecamp Date	1995-04-12
Summit Date	1995-05-09
Summit Time	0900
Summit Days	27
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	4
Summit Members	2
Member Deaths	0
Total Hired	2
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(12/04),ABC(14/04,5700m),C1(16/04,6400m),C2(25/04,7200m),C3(27/04,7400m),Smt(09/05)
Route Notes	Ponce de Leon and Delgado 26th tried to go to top from 7200m, reached 7900m and not well acclimatized and took rest while 2 other members made C3; stayed 3 days there and also down to ABC. On 3 May ABC to C2, didn't like weather and down to ABC. 7th May Ponce de Leon and Delgado from ABC to C1 in afternoon, 8th May C1 to C3 and 9th May to top. Left C3 at 3:00 am, on top at 9:00 am and back to C3 at 2:00 pm, 10 May to ABC.
Accidents	Torres broke arms leaving ABC for BC
Achievement	-
Agency	Asian Trekking
Commercial Route	True
Standard Route	True
Primary Route	False
Primary Member	False
Primary Reference	-
Primary ID	-
Checksum	2455577
Year	1995
Summit Success	True
O2 Summary	None
Route (lowercase)	nw side from n

Members

Field	Value
ID	5395
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY95103
Member ID	01
Peak ID	CHOY
Year	1995
Season	1
First Name	Andres
Last Name	Delgado Calderon
Sex	M
Age	0
Birth Date	-
Year of Birth	1969
Calculated Age	25
Citizenship	Mexico
Status	Leader
Residence	Mexico City, Mexico
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	1995-05-09
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0900
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	163
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	(1969-2006) In Oct 2006 disappeared on Changabang
Summit Bid	5
Summit Term	1
HCN	0
Checksum	2438366
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	andres delgado calderon
Year of Birth	1969
Year	1995
Age at Expedition	26
Role	Leader

Field	Value
ID	5396
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY95103
Member ID	02
Peak ID	CHOY
Year	1995
Season	1
First Name	Gustavo Alberto
Last Name	Lisi Marinaro
Sex	M
Age	0
Birth Date	-
Year of Birth	1971
Calculated Age	23
Citizenship	Argentina
Status	Climber
Residence	Salta, Argentina
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	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	-
High Point (m)	False
Personal High Point (m)	7400
Summit Date 1	1995-04-27
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	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	3
Summit Term	19
HCN	0
Checksum	2439138
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	gustavo alberto lisi marinaro
Year of Birth	1971
Year	1995
Age at Expedition	24
Role	Member

Field	Value
ID	5397
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY95103
Member ID	03
Peak ID	CHOY
Year	1995
Season	1
First Name	Hector Mario
Last Name	Ponce de Leon Gomez
Sex	M
Age	0
Birth Date	-
Year of Birth	1966
Calculated Age	28
Citizenship	Mexico
Status	Climber
Residence	Mexico City, Mexico
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	1995-05-09
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0900
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	163
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	2437408
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	hector mario ponce de leon gomez
Year of Birth	1966
Year	1995
Age at Expedition	29
Role	Member

Field	Value
ID	5398
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY95103
Member ID	04
Peak ID	CHOY
Year	1995
Season	1
First Name	Hector
Last Name	Torres
Sex	M
Age	0
Birth Date	-
Year of Birth	1969
Calculated Age	26
Citizenship	Mexico
Status	Climber
Residence	Mexico City, Mexico
Occupation	Student
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)	7400
Summit Date 1	1995-04-27
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	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	True
Injury Date	-
Injury Time	-
Injury Type	11
Injury Height (m)	0
Death Notes	Broken arm
Member Notes	-
Necrology	-
Summit Bid	3
Summit Term	19
HCN	0
Checksum	2438282
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	hector torres
Year of Birth	1969
Year	1995
Age at Expedition	26
Role	Member

4 recorded members.

Name	Sex	Year of Birth	Citizenship	Status	Residence	Occupation
Andres Delgado Calderon	M	1969	Mexico	Leader	Mexico City, Mexico	Alpine guide	Details Other expeditions
Gustavo Alberto Lisi Marinaro	M	1971	Argentina	Climber	Salta, Argentina	Alpine guide	Details Other expeditions
Hector Mario Ponce de Leon Gomez	M	1966	Mexico	Climber	Mexico City, Mexico	Alpine guide	Details Other expeditions
Hector Torres	M	1969	Mexico	Climber	Mexico City, Mexico	Student	Details Other expeditions

References

0 recorded references.