Cho Oyu | 2016 NW side

A USA expedition to Cho Oyu in 2016 via NW side, led by Zebulon Blais. Summit reached on 1st October 2016. 4 members recorded.

Expedition Details

Field	Value
ID	9215
Imported	2026-03-06 18:04:49.359634
Expedition ID	CHOY16303
Peak ID	CHOY
Year	2016
Season	3
Host Country	2
Route 1	NW side
Route 2	-
Route 3	-
Route 4	-
Nationality	USA
Leaders	Zebulon Blais
Sponsor	Alpenglow Rapid Ascent Cho Oyu Expedition 2016
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	-
Approach	Lhasa->Shigatse->CBC
Basecamp Date	2016-09-13
Summit Date	2016-10-01
Summit Time	0719
Summit Days	18
Total Days	20
Termination Date	2016-10-03
Termination Reason	1
Termination Notes	-
High Point (m)	8188
Traverse	False
Ski	True
Paraglide	False
Camps	3
Fixed Rope (m)	0
Total Members	2
Summit Members	2
Member Deaths	0
Total Hired	2
Summit Hired	2
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(13/09,4800m),ABC(15/09,5700m),C1(17/09,6400n),C2(29/09,7000m),C3(30/09,7400m),Smt(01/10)
Route Notes	Team started from C3 on 1 Oct at 3 am, summited at 7:19 am, stayed 1 hour, then descended to C1 arriving at 4 pm. Very pleasant weather. Warm, calm winds. Scattered valley clouds early am, clear mid and upper level skies. Pm clouds overcast mid and low elevations (below C2). Oxygen: Members from C3 to smt to C1 Sherpas from C3 to smt to C2 Blais and Entwistle skied down from below the summit to C1.
Accidents	-
Achievement	-
Agency	Shangri-La Nepal Treks
Commercial Route	True
Standard Route	True
Primary Route	False
Primary Member	False
Primary Reference	-
Primary ID	-
Checksum	2463324
Year	2016
Summit Success	True
O2 Summary	Used
Route (lowercase)	nw side

Members

Field	Value
ID	67179
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY16303
Member ID	01
Peak ID	CHOY
Year	2016
Season	3
First Name	Zebulon (Zeb)
Last Name	Blais
Sex	M
Age	0
Birth Date	-
Year of Birth	1982
Calculated Age	34
Citizenship	USA
Status	Leader
Residence	Tahoe City, California
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	True
Paraglide	False
Speed	False
High Point (m)	True
Personal High Point (m)	8188
Summit Date 1	2016-10-01
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0719
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 C2 to smt to C1
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	2442924
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	zebulon (zeb) blais
Year of Birth	1982
Year	2016
Age at Expedition	34
Role	Leader

Field	Value
ID	67180
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY16303
Member ID	02
Peak ID	CHOY
Year	2016
Season	3
First Name	Lorrance Brooks
Last Name	Entwistle
Sex	M
Age	0
Birth Date	-
Year of Birth	1967
Calculated Age	49
Citizenship	USA
Status	Climber
Residence	Singapore
Occupation	Investor
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	True
Paraglide	False
Speed	False
High Point (m)	True
Personal High Point (m)	8188
Summit Date 1	2016-10-01
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0719
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 C2 to smt to C1
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	2437539
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	lorrance brooks entwistle
Year of Birth	1967
Year	2016
Age at Expedition	49
Role	Member

Field	Value
ID	67181
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY16303
Member ID	03
Peak ID	CHOY
Year	2016
Season	3
First Name	Palden Namgye/Namgyal
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1972
Calculated Age	44
Citizenship	Nepal
Status	H-A Worker
Residence	Phortse, 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	False
High Point (m)	True
Personal High Point (m)	8188
Summit Date 1	2016-10-01
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0719
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 smt to C2
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	2439483
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	palden namgye/namgyal sherpa
Year of Birth	1972
Year	2016
Age at Expedition	44
Role	Hired

Field	Value
ID	67182
Imported	2026-03-06 18:06:05.675609
Expedition ID	CHOY16303
Member ID	04
Peak ID	CHOY
Year	2016
Season	3
First Name	Panuru (Pasang Nuru, Pa Nuru)
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1968
Calculated Age	48
Citizenship	Nepal
Status	H-A Worker
Residence	Phortse, 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	False
High Point (m)	True
Personal High Point (m)	8188
Summit Date 1	2016-10-01
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0719
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 smt to C2
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	5th ascent of Cho Oyu; brother of Dawa Nuru/Danuru (Phortse)
Necrology	-
Summit Bid	5
Summit Term	1
HCN	0
Checksum	2437905
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	panuru (pasang nuru, pa nuru) sherpa
Year of Birth	1968
Year	2016
Age at Expedition	48
Role	Hired

4 recorded members.

Name	Sex	Year of Birth	Citizenship	Status	Residence	Occupation
Zebulon (Zeb) Blais	M	1982	USA	Leader	Tahoe City, California	Alpine guide	Details Other expeditions
Lorrance Brooks Entwistle	M	1967	USA	Climber	Singapore	Investor	Details Other expeditions
Palden Namgye/Namgyal Sherpa	M	1972	Nepal	H-A Worker	Phortse, Khumbu	-	Details Other expeditions
Panuru (Pasang Nuru, Pa Nuru) Sherpa	M	1968	Nepal	H-A Worker	Phortse, Khumbu	-	Details Other expeditions

References

Field	Value
ID	9786
Imported	2026-03-06 18:06:36.307770
Expedition ID	CHOY16303
Reference ID	01
Year	2016
Type	5
Journal	-
Author	-
Title	https://alpenglowexpeditions.com/blog/category/rapid-ascent/cho-oyu/
Publisher	-
Publication Date	-
Language	-
Citation	-
Yak 94	-
Notes	-

1 recorded references.

Expedition ID	Journal	Author	Title	Publisher	Citation	Yak 94
CHOY16303	-	-	https://alpenglowexpeditions.com/blog/category/rapid-ascent/cho-oyu/	-	-	-