Ama Dablam | 2016 SW Ridge

A Netherlands expedition to Ama Dablam in 2016 via SW Ridge, led by Arnold Coster. Summit reached on 31st October 2016. 10 members recorded.

Expedition Details

Field	Value
ID	9234
Imported	2026-03-06 18:04:49.359634
Expedition ID	AMAD16310
Peak ID	AMAD
Year	2016
Season	3
Host Country	1
Route 1	SW Ridge
Route 2	-
Route 3	-
Route 4	-
Nationality	Netherlands
Leaders	Arnold Coster
Sponsor	Arnold Coster Expeditions Ama Dablam 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	Belgium, Canada, UK, USA
Approach	Lukla->Namche->Pangboche->Dingboche->EverBC->Lobuje->Ama BC
Basecamp Date	2016-10-19
Summit Date	2016-10-31
Summit Time	0630
Summit Days	12
Total Days	14
Termination Date	2016-11-02
Termination Reason	1
Termination Notes	-
High Point (m)	6814
Traverse	False
Ski	False
Paraglide	False
Camps	2
Fixed Rope (m)	0
Total Members	8
Summit Members	3
Member Deaths	0
Total Hired	3
Summit Hired	2
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(19/10,4600m),C1(22/10,5600m),C2(30/10,5900m),Smt(31/10)
Route Notes	Summit team left C2 on 30 Oct at 10 pm, summited on 31 Oct at 6:30 am, stayed 15 minutes, then descended to base camp. Good conditions. Fixed rope: Pemba Sherpa joined the fixing team from C2 to summit.
Accidents	-
Achievement	-
Agency	Seven Summit Treks
Commercial Route	True
Standard Route	False
Primary Route	False
Primary Member	False
Primary Reference	-
Primary ID	-
Checksum	2462544
Year	2016
Summit Success	True
O2 Summary	None
Route (lowercase)	sw ridge

Members

Field	Value
ID	67346
Imported	2026-03-06 18:06:05.675609
Expedition ID	AMAD16310
Member ID	01
Peak ID	AMAD
Year	2016
Season	3
First Name	Arnold
Last Name	Coster
Sex	M
Age	0
Birth Date	-
Year of Birth	1976
Calculated Age	40
Citizenship	Netherlands
Status	Leader
Residence	Moordrecht, Netherlands
Occupation	Expedition 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	False
High Point (m)	False
Personal High Point (m)	6200
Summit Date 1	2016-10-31
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	4
Summit Term	14
HCN	0
Checksum	2440903
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	arnold coster
Year of Birth	1976
Year	2016
Age at Expedition	40
Role	Leader

Field	Value
ID	67347
Imported	2026-03-06 18:06:05.675609
Expedition ID	AMAD16310
Member ID	04
Peak ID	AMAD
Year	2016
Season	3
First Name	Grace Katherine
Last Name	McDonald
Sex	F
Age	0
Birth Date	-
Year of Birth	1977
Calculated Age	39
Citizenship	Canada
Status	Climber
Residence	Toronto, Ontario
Occupation	Attorney
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	False
High Point (m)	False
Personal High Point (m)	6000
Summit Date 1	2016-10-31
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	Frostnip on toes
Member Notes	-
Necrology	-
Summit Bid	4
Summit Term	8
HCN	0
Checksum	2441364
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	grace katherine mcdonald
Year of Birth	1977
Year	2016
Age at Expedition	39
Role	Member

Field	Value
ID	67348
Imported	2026-03-06 18:06:05.675609
Expedition ID	AMAD16310
Member ID	03
Peak ID	AMAD
Year	2016
Season	3
First Name	Richard Thomas
Last Name	Maybank
Sex	M
Age	0
Birth Date	-
Year of Birth	1977
Calculated Age	39
Citizenship	UK
Status	Climber
Residence	Sudbury, Suffolk, England
Occupation	Private security contractor
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	False
High Point (m)	False
Personal High Point (m)	6200
Summit Date 1	2016-10-31
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	4
Summit Term	6
HCN	0
Checksum	2441369
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	richard thomas maybank
Year of Birth	1977
Year	2016
Age at Expedition	39
Role	Member

Field	Value
ID	67349
Imported	2026-03-06 18:06:05.675609
Expedition ID	AMAD16310
Member ID	08
Peak ID	AMAD
Year	2016
Season	3
First Name	Andy
Last Name	Wiencek
Sex	M
Age	0
Birth Date	-
Year of Birth	1974
Calculated Age	42
Citizenship	Belgium
Status	Climber
Residence	Tremelo, Belgium
Occupation	Electrician
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	False
High Point (m)	False
Personal High Point (m)	6200
Summit Date 1	2016-10-31
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	4
Summit Term	12
HCN	0
Checksum	2440067
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	andy wiencek
Year of Birth	1974
Year	2016
Age at Expedition	42
Role	Member

Field	Value
ID	67350
Imported	2026-03-06 18:06:05.675609
Expedition ID	AMAD16310
Member ID	07
Peak ID	AMAD
Year	2016
Season	3
First Name	Filip Lucien Viviane
Last Name	Top
Sex	M
Age	0
Birth Date	-
Year of Birth	1973
Calculated Age	42
Citizenship	Belgium
Status	Climber
Residence	Aartselaar, Belgium
Occupation	-
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	False
High Point (m)	True
Personal High Point (m)	6814
Summit Date 1	2016-10-31
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0630
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	2439899
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	filip lucien viviane top
Year of Birth	1973
Year	2016
Age at Expedition	43
Role	Member

Field	Value
ID	67351
Imported	2026-03-06 18:06:05.675609
Expedition ID	AMAD16310
Member ID	02
Peak ID	AMAD
Year	2016
Season	3
First Name	Rudi Anna R.
Last Name	Bollaert
Sex	M
Age	0
Birth Date	-
Year of Birth	1967
Calculated Age	48
Citizenship	Belgium
Status	Climber
Residence	Hamme, Belgium
Occupation	Owner of outdoor shop
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	False
High Point (m)	True
Personal High Point (m)	6814
Summit Date 1	2016-10-31
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0630
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	2437725
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	rudi anna r. bollaert
Year of Birth	1967
Year	2016
Age at Expedition	49
Role	Member

Field	Value
ID	67352
Imported	2026-03-06 18:06:05.675609
Expedition ID	AMAD16310
Member ID	06
Peak ID	AMAD
Year	2016
Season	3
First Name	Willem Frans K.
Last Name	Peeters
Sex	M
Age	0
Birth Date	-
Year of Birth	1963
Calculated Age	53
Citizenship	Belgium
Status	Climber
Residence	Mortsel, Belgium
Occupation	Group security leader
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	False
High Point (m)	False
Personal High Point (m)	5600
Summit Date 1	2016-10-29
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	2
Summit Term	9
HCN	0
Checksum	2436175
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	willem frans k. peeters
Year of Birth	1963
Year	2016
Age at Expedition	53
Role	Member

Field	Value
ID	67353
Imported	2026-03-06 18:06:05.675609
Expedition ID	AMAD16310
Member ID	05
Peak ID	AMAD
Year	2016
Season	3
First Name	Sean Michael
Last Name	McLane
Sex	M
Age	0
Birth Date	-
Year of Birth	1988
Calculated Age	27
Citizenship	USA
Status	Climber
Residence	Salt Lake City, Utah
Occupation	Director of strategic product management
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	False
High Point (m)	True
Personal High Point (m)	6814
Summit Date 1	2016-10-31
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0630
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	2445407
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	sean michael mclane
Year of Birth	1988
Year	2016
Age at Expedition	28
Role	Member

Field	Value
ID	67354
Imported	2026-03-06 18:06:05.675609
Expedition ID	AMAD16310
Member ID	10
Peak ID	AMAD
Year	2016
Season	3
First Name	Mingma Nurbu
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1986
Calculated Age	30
Citizenship	Nepal
Status	H-A Worker
Residence	Makalu-6, Makalu-Barun
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)	6814
Summit Date 1	2016-10-31
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0630
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	2444348
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	mingma nurbu sherpa
Year of Birth	1986
Year	2016
Age at Expedition	30
Role	Hired

Field	Value
ID	67355
Imported	2026-03-06 18:06:05.675609
Expedition ID	AMAD16310
Member ID	09
Peak ID	AMAD
Year	2016
Season	3
First Name	Lakpa
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1986
Calculated Age	29
Citizenship	Nepal
Status	H-A Worker
Residence	Makalu-9, Makalu-Barun
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)	6814
Summit Date 1	2016-10-31
Summit Date 2	-
Summit Date 3	-
Summit Time 1	0630
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	2444650
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	lakpa sherpa
Year of Birth	1986
Year	2016
Age at Expedition	30
Role	Hired

10 recorded members.

Name	Sex	Year of Birth	Citizenship	Status	Residence	Occupation
Arnold Coster	M	1976	Netherlands	Leader	Moordrecht, Netherlands	Expedition leader	Details Other expeditions
Grace Katherine McDonald	F	1977	Canada	Climber	Toronto, Ontario	Attorney	Details Other expeditions
Richard Thomas Maybank	M	1977	UK	Climber	Sudbury, Suffolk, England	Private security contractor	Details Other expeditions
Andy Wiencek	M	1974	Belgium	Climber	Tremelo, Belgium	Electrician	Details Other expeditions
Filip Lucien Viviane Top	M	1973	Belgium	Climber	Aartselaar, Belgium	-	Details Other expeditions
Rudi Anna R. Bollaert	M	1967	Belgium	Climber	Hamme, Belgium	Owner of outdoor shop	Details Other expeditions
Willem Frans K. Peeters	M	1963	Belgium	Climber	Mortsel, Belgium	Group security leader	Details Other expeditions
Sean Michael McLane	M	1988	USA	Climber	Salt Lake City, Utah	Director of strategic product management	Details Other expeditions
Mingma Nurbu Sherpa	M	1986	Nepal	H-A Worker	Makalu-6, Makalu-Barun	-	Details Other expeditions
Lakpa Sherpa	M	1986	Nepal	H-A Worker	Makalu-9, Makalu-Barun	-	Details Other expeditions

References

Field	Value
ID	9858
Imported	2026-03-06 18:06:36.307770
Expedition ID	AMAD16310
Reference ID	01
Year	2016
Type	5
Journal	-
Author	-
Title	http://www.arnoldcosterexpeditions.com/blog/pictures-ama-dablam-autumn-2016
Publisher	-
Publication Date	-
Language	-
Citation	-
Yak 94	-
Notes	Photos

1 recorded references.

Expedition ID	Journal	Author	Title	Publisher	Citation	Yak 94
AMAD16310	-	-	http://www.arnoldcosterexpeditions.com/blog/pictures-ama-dablam-autumn-2016	-	-	-