Cho Oyu | 2004 NW side

A USA expedition to Cho Oyu in 2004 via NW side, led by Michael O'Donnell. Summit reached on 24th September 2004. 7 members recorded.

Expedition Details

Field	Value
ID	4708
Imported	2026-03-06 18:04:49.359634
Expedition ID	CHOY04344
Peak ID	CHOY
Year	2004
Season	3
Host Country	2
Route 1	NW side
Route 2	-
Route 3	-
Route 4	-
Nationality	USA
Leaders	Michael O'Donnell
Sponsor	Mountain Madness Cho Oyu Expedition 2004
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	Canada, UK
Approach	-
Basecamp Date	2004-08-29
Summit Date	2004-09-24
Summit Time	1200
Summit Days	26
Total Days	28
Termination Date	2004-09-26
Termination Reason	1
Termination Notes	-
High Point (m)	8188
Traverse	False
Ski	False
Paraglide	False
Camps	3
Fixed Rope (m)	0
Total Members	6
Summit Members	3
Member Deaths	0
Total Hired	2
Summit Hired	1
Hired Deaths	0
No Hired	False
O2 Used	True
O2 None	False
O2 Climb	True
O2 Descent	False
O2 Sleep	False
O2 Medical	False
O2 Taken	False
O2 Unknown	False
Other Summits	-
Campsites	BC(29/08),ABC(01/09,5550m),C1(07/09,6100m),C2(14/09,7100m),C3(23/09,7400m),Smt(24/09)
Route Notes	Summit party left C3 4:00 24 Sept, on top about 12:00 noon in very clear weather and saw Everest and down to C2 at 7:30 pm. Skidmore left expedition 16 Sept (not acclimatizing); got to just below C2. Taylor also left 16 Sept; had very bad cough and maybe cracked some ribs when coughing. Smith's arm swelled and hurt from blood clotting in her shoulder; had reached C2. Oxygen: By O'Donnell only (from C3 to top to C3).
Accidents	-
Achievement	-
Agency	Mountain Madness
Commercial Route	True
Standard Route	True
Primary Route	False
Primary Member	False
Primary Reference	False
Primary ID	-
Checksum	2458652
Year	2004
Summit Success	True
O2 Summary	Used
Route (lowercase)	nw side

Members

Field	Value
ID	36177
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY04344
Member ID	04
Peak ID	CHOY
Year	2004
Season	3
First Name	Bradbury Allyn (Brad)
Last Name	Skidmore
Sex	M
Age	0
Birth Date	-
Year of Birth	1961
Calculated Age	43
Citizenship	USA
Status	Climber
Residence	Ft. Thomas, Kentucky
Occupation	Surgeon
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)	7000
Summit Date 1	2004-09-14
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	1
Summit Term	6
HCN	0
Checksum	2435412
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	bradbury allyn (brad) skidmore
Year of Birth	1961
Year	2004
Age at Expedition	43
Role	Member

Field	Value
ID	36174
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY04344
Member ID	02
Peak ID	CHOY
Year	2004
Season	3
First Name	Richard (Rick)
Last Name	Gray
Sex	M
Age	0
Birth Date	-
Year of Birth	1966
Calculated Age	38
Citizenship	UK
Status	Climber
Residence	Larkspur, California
Occupation	Director of company marketing miscellaneous kinds of gadgets
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	2004-09-24
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1200
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	5
Summit Term	1
HCN	0
Checksum	2437159
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	richard (rick) gray
Year of Birth	1966
Year	2004
Age at Expedition	38
Role	Member

Field	Value
ID	36175
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY04344
Member ID	03
Peak ID	CHOY
Year	2004
Season	3
First Name	Casey S.
Last Name	Henley
Sex	M
Age	0
Birth Date	-
Year of Birth	1971
Calculated Age	33
Citizenship	Canada
Status	Deputy Leader
Residence	Bend, Oregon
Occupation	Alpine guide
Leader	False
Deputy	True
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	2004-09-24
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1200
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	5
Summit Term	1
HCN	0
Checksum	2439017
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	casey s. henley
Year of Birth	1971
Year	2004
Age at Expedition	33
Role	Deputy

Field	Value
ID	36176
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY04344
Member ID	01
Peak ID	CHOY
Year	2004
Season	3
First Name	Michael James
Last Name	O'Donnell
Sex	M
Age	0
Birth Date	-
Year of Birth	1956
Calculated Age	47
Citizenship	USA
Status	Leader
Residence	Ouray, Colorado
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	2004-09-24
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1200
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	False
O2 Sleep	False
O2 Medical	False
O2 Notes	From C3 to top to C3
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	2433736
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	michael james o'donnell
Year of Birth	1956
Year	2004
Age at Expedition	48
Role	Leader

Field	Value
ID	36178
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY04344
Member ID	05
Peak ID	CHOY
Year	2004
Season	3
First Name	Moira Tracey
Last Name	Smith
Sex	F
Age	0
Birth Date	-
Year of Birth	1961
Calculated Age	43
Citizenship	USA
Status	Climber
Residence	Vancouver, British Colombia
Occupation	Geologist
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)	7100
Summit Date 1	2004-09-14
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	1
Summit Term	9
HCN	0
Checksum	2435524
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	moira tracey smith
Year of Birth	1961
Year	2004
Age at Expedition	43
Role	Member

Field	Value
ID	36179
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY04344
Member ID	06
Peak ID	CHOY
Year	2004
Season	3
First Name	Robert (Bob)
Last Name	Taylor
Sex	M
Age	0
Birth Date	-
Year of Birth	1959
Calculated Age	45
Citizenship	USA
Status	Climber
Residence	San Diego, California
Occupation	Accountant
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)	7100
Summit Date 1	2004-09-14
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	1
Summit Term	9
HCN	0
Checksum	2434661
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	robert (bob) taylor
Year of Birth	1959
Year	2004
Age at Expedition	45
Role	Member

Field	Value
ID	36180
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY04344
Member ID	07
Peak ID	CHOY
Year	2004
Season	3
First Name	Phenden/Phanden
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1971
Calculated Age	32
Citizenship	Nepal
Status	H-A Worker
Residence	Kharikhola, Solukhumbu
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	2004-09-24
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1200
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	3rd ascent of Cho Oyu
Necrology	-
Summit Bid	5
Summit Term	1
HCN	0
Checksum	2439164
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	phenden/phanden sherpa
Year of Birth	1971
Year	2004
Age at Expedition	33
Role	Hired

7 recorded members.

Name	Sex	Year of Birth	Citizenship	Status	Residence	Occupation
Bradbury Allyn (Brad) Skidmore	M	1961	USA	Climber	Ft. Thomas, Kentucky	Surgeon	Details Other expeditions
Richard (Rick) Gray	M	1966	UK	Climber	Larkspur, California	Director of company marketing miscellaneous kinds of gadgets	Details Other expeditions
Casey S. Henley	M	1971	Canada	Deputy Leader	Bend, Oregon	Alpine guide	Details Other expeditions
Michael James O'Donnell	M	1956	USA	Leader	Ouray, Colorado	Alpine guide	Details Other expeditions
Moira Tracey Smith	F	1961	USA	Climber	Vancouver, British Colombia	Geologist	Details Other expeditions
Robert (Bob) Taylor	M	1959	USA	Climber	San Diego, California	Accountant	Details Other expeditions
Phenden/Phanden Sherpa	M	1971	Nepal	H-A Worker	Kharikhola, Solukhumbu	-	Details Other expeditions

References

Field	Value
ID	7601
Imported	2026-03-06 18:06:36.307770
Expedition ID	CHOY04344
Reference ID	01
Year	2004
Type	5
Journal	-
Author	-
Title	http://www.mountainmadness.com/newsroom/newsroom.cfm?dis_id=6
Publisher	-
Publication Date	-
Language	-
Citation	-
Yak 94	-
Notes	-

1 recorded references.

Expedition ID	Journal	Author	Title	Publisher	Citation	Yak 94
CHOY04344	-	-	http://www.mountainmadness.com/newsroom/newsroom.cfm?dis_id=6	-	-	-