Cho Oyu | 1997 NW side

A UK expedition to Cho Oyu in 1997 via NW side, led by Henry Todd. Summit reached on 27th September 1997. 10 members recorded.

Expedition Details

Field	Value
ID	2409
Imported	2026-03-06 18:04:49.359634
Expedition ID	CHOY97312
Peak ID	CHOY
Year	1997
Season	3
Host Country	2
Route 1	NW side
Route 2	-
Route 3	-
Route 4	-
Nationality	UK
Leaders	Henry Todd
Sponsor	Himalayan Guides Cho Oyu 1997
Success 1	True
Success 2	False
Success 3	False
Success 4	False
Ascent 1	266,274
Ascent 2	-
Ascent 3	-
Ascent 4	-
Claimed	False
Disputed	False
Countries	France, Japan, Mexico, Netherlands, USA
Approach	-
Basecamp Date	1997-09-06
Summit Date	1997-09-27
Summit Time	1220
Summit Days	21
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	9
Summit Members	4
Member Deaths	0
Total Hired	3
Summit Hired	1
Hired Deaths	0
No Hired	False
O2 Used	True
O2 None	False
O2 Climb	False
O2 Descent	True
O2 Sleep	False
O2 Medical	False
O2 Taken	False
O2 Unknown	False
Other Summits	-
Campsites	BC(06/09,4800m),ABC(07/09,5650m),C1(11/09,6550m),C2(16/09,7150m),C3(24/09,7550m),Smt(27/09,03/10)
Route Notes	3 Oct summit party spent 5 nights in C2 waiting for winds to drop; on 3rd wind dropped slightly and they went for it since too long wait. Sherpa: Ang Tshering Sherpa, 22, Pangboche, his first 8000m summit
Accidents	Contreras and Le Poole slight frostbite
Achievement	-
Agency	Asian Trekking
Commercial Route	True
Standard Route	True
Primary Route	False
Primary Member	False
Primary Reference	-
Primary ID	-
Checksum	2456451
Year	1997
Summit Success	True
O2 Summary	Used
Route (lowercase)	nw side

Members

Field	Value
ID	6104
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY97312
Member ID	02
Peak ID	CHOY
Year	1997
Season	3
First Name	Jen-Tseh
Last Name	Chang
Sex	M
Age	0
Birth Date	-
Year of Birth	1957
Calculated Age	39
Citizenship	USA
Status	Climber
Residence	Stillwater, Oklahoma
Occupation	College teacher of mathematics
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	2434053
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	jen-tseh chang
Year of Birth	1957
Year	1997
Age at Expedition	40
Role	Member

Field	Value
ID	6105
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY97312
Member ID	03
Peak ID	CHOY
Year	1997
Season	3
First Name	Yuri
Last Name	Contreras Cedi
Sex	M
Age	0
Birth Date	-
Year of Birth	1963
Calculated Age	33
Citizenship	Mexico
Status	Exp Doctor
Residence	Mexico City, Mexico
Occupation	Orthopedic surgeon
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	1997-10-03
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	274
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	2436228
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	yuri contreras cedi
Year of Birth	1963
Year	1997
Age at Expedition	34
Role	Member

Field	Value
ID	6106
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY97312
Member ID	04
Peak ID	CHOY
Year	1997
Season	3
First Name	Ginette Lesley
Last Name	Harrison
Sex	F
Age	0
Birth Date	-
Year of Birth	1958
Calculated Age	39
Citizenship	UK
Status	Climber
Residence	Monson, Massachusetts
Occupation	Physician
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	1997-09-27
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1220
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	266
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	(1958-1999) Died 24 Oct 1999 on Dhaulagiri I from avalanche
Summit Bid	5
Summit Term	1
HCN	0
Checksum	2434159
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	ginette lesley harrison
Year of Birth	1958
Year	1997
Age at Expedition	39
Role	Member

Field	Value
ID	6107
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY97312
Member ID	05
Peak ID	CHOY
Year	1997
Season	3
First Name	Andrew Atis (Andy)
Last Name	Lapkass
Sex	M
Age	0
Birth Date	-
Year of Birth	1958
Calculated Age	39
Citizenship	USA
Status	Climber
Residence	Snowmass Village, Colorado
Occupation	Physician's assistant
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	2434194
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	andrew atis (andy) lapkass
Year of Birth	1958
Year	1997
Age at Expedition	39
Role	Member

Field	Value
ID	6108
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY97312
Member ID	07
Peak ID	CHOY
Year	1997
Season	3
First Name	Yukio
Last Name	Muraoka
Sex	M
Age	0
Birth Date	-
Year of Birth	1949
Calculated Age	48
Citizenship	Japan
Status	Climber
Residence	Fukuoka, Japan
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)	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	True
O2 None	False
O2 Climb	False
O2 Descent	True
O2 Sleep	False
O2 Medical	False
O2 Notes	In C3 before descending (not seriously ill)
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	2430933
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	yukio muraoka
Year of Birth	1949
Year	1997
Age at Expedition	48
Role	Member

Field	Value
ID	6109
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY97312
Member ID	08
Peak ID	CHOY
Year	1997
Season	3
First Name	Gary Scott
Last Name	Pfisterer
Sex	M
Age	0
Birth Date	-
Year of Birth	1952
Calculated Age	45
Citizenship	USA
Status	Climber
Residence	Monson, Massachusetts
Occupation	Attorney (retired)
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	1997-09-27
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1220
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	266
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	2432080
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	gary scott pfisterer
Year of Birth	1952
Year	1997
Age at Expedition	45
Role	Member

Field	Value
ID	6110
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY97312
Member ID	09
Peak ID	CHOY
Year	1997
Season	3
First Name	Francois Jean
Last Name	Solignac
Sex	M
Age	0
Birth Date	-
Year of Birth	1961
Calculated Age	35
Citizenship	France
Status	Climber
Residence	Paris, France
Occupation	Salesman of telecommunications equipment
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	2435581
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	francois jean solignac
Year of Birth	1961
Year	1997
Age at Expedition	36
Role	Member

Field	Value
ID	6111
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY97312
Member ID	06
Peak ID	CHOY
Year	1997
Season	3
First Name	Steven
Last Name	Le Poole
Sex	M
Age	0
Birth Date	-
Year of Birth	1968
Calculated Age	29
Citizenship	Netherlands
Status	Climber
Residence	Wassenaar, Netherlands
Occupation	Management consultant
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	1997-10-03
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	274
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	2437961
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	steven le poole
Year of Birth	1968
Year	1997
Age at Expedition	29
Role	Member

Field	Value
ID	6112
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY97312
Member ID	01
Peak ID	CHOY
Year	1997
Season	3
First Name	Henry Barclay
Last Name	Todd
Sex	M
Age	0
Birth Date	-
Year of Birth	1945
Calculated Age	52
Citizenship	UK
Status	Leader
Residence	Edinburgh, Scotland
Occupation	Expedition organizer & leader
Leader	True
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	(1945-2025) Died 3 Nov 2024 in Kathmandu from stroke
Summit Bid	0
Summit Term	0
HCN	0
Checksum	2429472
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	henry barclay todd
Year of Birth	1945
Year	1997
Age at Expedition	52
Role	Leader

Field	Value
ID	23281
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY97312
Member ID	10
Peak ID	CHOY
Year	1997
Season	3
First Name	Pasang Tshering (Ang Tshering)
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1976
Calculated Age	21
Citizenship	Nepal
Status	H-A Worker
Residence	Pangboche, Khumbu
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	-
High Point (m)	True
Personal High Point (m)	8188
Summit Date 1	1997-09-27
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1220
Summit Time 2	-
Summit Time 3	-
Route 1	1
Route 2	0
Route 3	0
Ascent 1	266
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	1st 8000er; brother of Pasang Nuru (Ang Nuru)
Necrology	-
Summit Bid	5
Summit Term	1
HCN	0
Checksum	-2122
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	pasang tshering (ang tshering) sherpa
Year of Birth	1976
Year	1997
Age at Expedition	21
Role	Hired

10 recorded members.

Name	Sex	Year of Birth	Citizenship	Status	Residence	Occupation
Jen-Tseh Chang	M	1957	USA	Climber	Stillwater, Oklahoma	College teacher of mathematics	Details Other expeditions
Yuri Contreras Cedi	M	1963	Mexico	Exp Doctor	Mexico City, Mexico	Orthopedic surgeon	Details Other expeditions
Ginette Lesley Harrison	F	1958	UK	Climber	Monson, Massachusetts	Physician	Details Other expeditions
Andrew Atis (Andy) Lapkass	M	1958	USA	Climber	Snowmass Village, Colorado	Physician's assistant	Details Other expeditions
Yukio Muraoka	M	1949	Japan	Climber	Fukuoka, Japan	Alpine guide	Details Other expeditions
Gary Scott Pfisterer	M	1952	USA	Climber	Monson, Massachusetts	Attorney (retired)	Details Other expeditions
Francois Jean Solignac	M	1961	France	Climber	Paris, France	Salesman of telecommunications equipment	Details Other expeditions
Steven Le Poole	M	1968	Netherlands	Climber	Wassenaar, Netherlands	Management consultant	Details Other expeditions
Henry Barclay Todd	M	1945	UK	Leader	Edinburgh, Scotland	Expedition organizer & leader	Details Other expeditions
Pasang Tshering (Ang Tshering) Sherpa	M	1976	Nepal	H-A Worker	Pangboche, Khumbu	-	Details Other expeditions

References

0 recorded references.