Leonpo Gang | 1957 SW Ridge

A UK expedition to Leonpo Gang in 1957 via SW Ridge, led by Crosby Fox. Summit reached on 30th April 1957. 8 members recorded.

Expedition Details

Field	Value
ID	2912
Imported	2026-03-06 18:04:49.359634
Expedition ID	LEON57101
Peak ID	LEON
Year	1957
Season	1
Host Country	1
Route 1	SW Ridge
Route 2	-
Route 3	-
Route 4	-
Nationality	UK
Leaders	Crosby Fox
Sponsor	Yorkshire Ramblers Club
Success 1	False
Success 2	False
Success 3	False
Success 4	False
Ascent 1	-
Ascent 2	-
Ascent 3	-
Ascent 4	-
Claimed	False
Disputed	False
Countries	-
Approach	-
Basecamp Date	1957-04-14
Summit Date	1957-04-30
Summit Time	-
Summit Days	16
Total Days	20
Termination Date	1957-05-04
Termination Reason	6
Termination Notes	Abandoned at 6100m due to fatal avalanche
High Point (m)	6100
Traverse	False
Ski	False
Paraglide	False
Camps	4
Fixed Rope (m)	0
Total Members	6
Summit Members	0
Member Deaths	1
Total Hired	6
Summit Hired	0
Hired Deaths	2
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(14/04,4115m),C1,C2,C3(5180m),C4(5640m),xxx(30/04,6100m)
Route Notes	Sherpas (names from literature): Mingma Tensing (sirdar) (#199, born 1933) Pemba Gyaltsen Lhakpa Tsering Lhakpa Norbu Ang Temba (born 1929?) Pemba Tensing (born 1931?)
Accidents	Fox and 2 Sherpas killed in avalanche
Achievement	-
Agency	-
Commercial Route	-
Standard Route	-
Primary Route	False
Primary Member	False
Primary Reference	-
Primary ID	-
Checksum	2438591
Year	1957
Summit Success	False
O2 Summary	None
Route (lowercase)	sw ridge

Members

Field	Value
ID	22140
Imported	2026-03-06 18:06:05.675609
Expedition ID	LEON57101
Member ID	01
Peak ID	LEON
Year	1957
Season	1
First Name	Ian Wallance Crosby
Last Name	Fox
Sex	M
Age	0
Birth Date	-
Year of Birth	1923
Calculated Age	33
Citizenship	UK
Status	Leader
Residence	-
Occupation	-
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)	True
Personal High Point (m)	6100
Summit Date 1	1957-04-30
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1100
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	True
Death Date	1957-04-30
Death Time	1100
Death Type	7
Death Height (m)	6100
Death Class	3
AMS	False
Weather	False
Injury	False
Injury Date	-
Injury Time	-
Injury Type	0
Injury Height (m)	0
Death Notes	-
Member Notes	-
Necrology	(1923-1957) Died 30 Apr 1957 on Leonpo Gang from avalanche
Summit Bid	1
Summit Term	5
HCN	0
Checksum	-2065
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	1
Name (lowercase)	ian wallance crosby fox
Year of Birth	1923
Year	1957
Age at Expedition	34
Role	Leader

Field	Value
ID	23484
Imported	2026-03-06 18:06:05.675609
Expedition ID	LEON57101
Member ID	07
Peak ID	LEON
Year	1957
Season	1
First Name	Lhakpa Norbu
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	-
Calculated Age	0
Citizenship	Nepal
Status	H-A Worker
Residence	-
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	True
Sherpa	True
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	-
High Point (m)	True
Personal High Point (m)	6100
Summit Date 1	1957-04-30
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1100
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	True
Death Date	1957-04-30
Death Time	1100
Death Type	7
Death Height (m)	6100
Death Class	3
AMS	False
Weather	False
Injury	False
Injury Date	-
Injury Time	-
Injury Type	0
Injury Height (m)	0
Death Notes	-
Member Notes	-
Necrology	(....-1957) Died 30 Apr 1957 on Leonpo Gang from avalanche
Summit Bid	1
Summit Term	5
HCN	0
Checksum	-142
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	1
Name (lowercase)	lhakpa norbu sherpa
Year of Birth	-
Year	1957
Age at Expedition	-
Role	Hired

Field	Value
ID	23485
Imported	2026-03-06 18:06:05.675609
Expedition ID	LEON57101
Member ID	08
Peak ID	LEON
Year	1957
Season	1
First Name	Mingma Tensing
Last Name	Sherpa
Sex	M
Age	0
Birth Date	-
Year of Birth	1933
Calculated Age	23
Citizenship	Nepal
Status	H-A Worker
Residence	-
Occupation	-
Leader	False
Deputy	False
Basecamp Only	False
Not to BC	False
Support	False
Disabled	False
Hired	True
Sherpa	True
Tibetan	False
Summit Success	False
Claimed	False
Disputed	False
Solo	False
Traverse	False
Ski	False
Paraglide	False
Speed	-
High Point (m)	True
Personal High Point (m)	6100
Summit Date 1	1957-04-30
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1100
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	True
Death Date	1957-04-30
Death Time	1100
Death Type	7
Death Height (m)	6100
Death Class	3
AMS	False
Weather	False
Injury	False
Injury Date	-
Injury Time	-
Injury Type	0
Injury Height (m)	0
Death Notes	-
Member Notes	#199
Necrology	(1933-1957) Died 30 Apr 1957 on Leonpo Gang from avalanche
Summit Bid	1
Summit Term	5
HCN	0
Checksum	-2075
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	1
Name (lowercase)	mingma tensing sherpa
Year of Birth	1933
Year	1957
Age at Expedition	24
Role	Hired

Field	Value
ID	26321
Imported	2026-03-06 18:06:05.675609
Expedition ID	LEON57101
Member ID	04
Peak ID	LEON
Year	1957
Season	1
First Name	George
Last Name	Spenceley
Sex	M
Age	0
Birth Date	-
Year of Birth	-
Calculated Age	0
Citizenship	UK
Status	Climber
Residence	-
Occupation	-
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)	True
Personal High Point (m)	6100
Summit Date 1	1957-04-30
Summit Date 2	-
Summit Date 3	-
Summit Time 1	1100
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	1957-04-30
Injury Time	1100
Injury Type	7
Injury Height (m)	6100
Death Notes	-
Member Notes	-
Necrology	-
Summit Bid	1
Summit Term	5
HCN	0
Checksum	-97
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	george spenceley
Year of Birth	-
Year	1957
Age at Expedition	-
Role	Member

Field	Value
ID	46337
Imported	2026-03-06 18:06:05.675609
Expedition ID	LEON57101
Member ID	03
Peak ID	LEON
Year	1957
Season	1
First Name	Dan
Last Name	Jones
Sex	M
Age	0
Birth Date	-
Year of Birth	-
Calculated Age	0
Citizenship	UK
Status	Exp Doctor
Residence	-
Occupation	-
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)	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	1
Summit Term	5
HCN	0
Checksum	-97
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	dan jones
Year of Birth	-
Year	1957
Age at Expedition	-
Role	Member

Field	Value
ID	46338
Imported	2026-03-06 18:06:05.675609
Expedition ID	LEON57101
Member ID	02
Peak ID	LEON
Year	1957
Season	1
First Name	Wilfred
Last Name	Anderson
Sex	M
Age	0
Birth Date	-
Year of Birth	-
Calculated Age	0
Citizenship	UK
Status	Climber
Residence	-
Occupation	-
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)	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	1
Summit Term	5
HCN	0
Checksum	-97
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	wilfred anderson
Year of Birth	-
Year	1957
Age at Expedition	-
Role	Member

Field	Value
ID	46339
Imported	2026-03-06 18:06:05.675609
Expedition ID	LEON57101
Member ID	05
Peak ID	LEON
Year	1957
Season	1
First Name	Arthur
Last Name	Tallon
Sex	M
Age	0
Birth Date	-
Year of Birth	-
Calculated Age	0
Citizenship	UK
Status	Climber
Residence	-
Occupation	-
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)	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	1
Summit Term	5
HCN	0
Checksum	-97
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	arthur tallon
Year of Birth	-
Year	1957
Age at Expedition	-
Role	Member

Field	Value
ID	46340
Imported	2026-03-06 18:06:05.675609
Expedition ID	LEON57101
Member ID	06
Peak ID	LEON
Year	1957
Season	1
First Name	Maurice
Last Name	Wilson
Sex	M
Age	0
Birth Date	-
Year of Birth	-
Calculated Age	0
Citizenship	UK
Status	Climber
Residence	-
Occupation	-
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)	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	1
Summit Term	5
HCN	0
Checksum	-96
Summit Note 1	-
Summit Note 2	-
Summit Note 3	-
Death Route	-
Name (lowercase)	maurice wilson
Year of Birth	-
Year	1957
Age at Expedition	-
Role	Member

8 recorded members.

Name	Sex	Year of Birth	Citizenship	Status	Residence	Occupation
Ian Wallance Crosby Fox	M	1923	UK	Leader	-	-	Details Other expeditions
Lhakpa Norbu Sherpa	M	-	Nepal	H-A Worker	-	-	Details Other expeditions
Mingma Tensing Sherpa	M	1933	Nepal	H-A Worker	-	-	Details Other expeditions
George Spenceley	M	-	UK	Climber	-	-	Details Other expeditions
Dan Jones	M	-	UK	Exp Doctor	-	-	Details Other expeditions
Wilfred Anderson	M	-	UK	Climber	-	-	Details Other expeditions
Arthur Tallon	M	-	UK	Climber	-	-	Details Other expeditions
Maurice Wilson	M	-	UK	Climber	-	-	Details Other expeditions

References

Field	Value
ID	961
Imported	2026-03-06 18:06:36.307770
Expedition ID	LEON57101
Reference ID	01
Year	1957
Type	2
Journal	AJ
Author	-
Title	-
Publisher	-
Publication Date	1958
Language	-
Citation	63:131 (May 1958)
Yak 94	-
Notes	-

Field	Value
ID	963
Imported	2026-03-06 18:06:36.307770
Expedition ID	LEON57101
Reference ID	02
Year	1957
Type	2
Journal	AAJ
Author	-
Title	-
Publisher	-
Publication Date	1958
Language	-
Citation	32:120 (1958)
Yak 94	-
Notes	-

Field	Value
ID	7580
Imported	2026-03-06 18:06:36.307770
Expedition ID	LEON57101
Reference ID	03
Year	1957
Type	1
Journal	-
Author	Kurz, Marcel
Title	Chronique Himalayenne (Supplement)
Publisher	Fondation Suisse Pour Explorations Alpines, Zurich
Publication Date	1963
Language	French
Citation	475-480
Yak 94	-
Notes	-

Field	Value
ID	13326
Imported	2026-03-06 18:06:36.307770
Expedition ID	LEON57101
Reference ID	04
Year	1957
Type	5
Journal	-
Author	-
Title	http://publications.americanalpineclub.org/articles/12195812001/Asia-Nepal-Jugal-Himal
Publisher	-
Publication Date	-
Language	-
Citation	-
Yak 94	-
Notes	-

Field	Value
ID	13945
Imported	2026-03-06 18:06:36.307770
Expedition ID	LEON57101
Reference ID	05
Year	1957
Type	5
Journal	-
Author	-
Title	https://www.alpinejournal.org.uk/Contents/Contents_1958_files/AJ63%201958%20121a%20-%20134%20Alpine%20Notes.pdf
Publisher	-
Publication Date	-
Language	-
Citation	-
Yak 94	-
Notes	-

5 recorded references.

Expedition ID	Journal	Author	Title	Publisher	Citation	Yak 94
LEON57101	AJ	-	-	-	63:131 (May 1958)	-
LEON57101	AAJ	-	-	-	32:120 (1958)	-
LEON57101	-	Kurz, Marcel	Chronique Himalayenne (Supplement)	Fondation Suisse Pour Explorations Alpines, Zurich	475-480	-
LEON57101	-	-	http://publications.americanalpineclub.org/articles/12195812001/Asia-Nepal-Jugal-Himal	-	-	-
LEON57101	-	-	https://www.alpinejournal.org.uk/Contents/Contents_1958_files/AJ63%201958%20121a%20-%20134%20Alpine%20Notes.pdf	-	-	-