Peaks
Aichyn
Japan 2015 NW side expedition
Aichyn | 2015 NW side
A Japan expedition to Aichyn in 2015 via NW side, led by Hiroki Senda.
Summit reached on 3rd September 2015.
5 members recorded.
Expedition Details
Field
Value
ID
9001
Imported
2026-03-06 18:04:49.359634
Expedition ID
ACHN15301
Peak ID
ACHN
Year
2015
Season
3
Host Country
1
Route 1
NW side
Route 2
-
Route 3
-
Route 4
-
Nationality
Japan
Leaders
Hiroki Senda
Sponsor
Doshisha University Alpine Club Western Nepal Expedition 2015
Success 1
True
Success 2
False
Success 3
False
Success 4
False
Ascent 1
1st
Ascent 2
-
Ascent 3
-
Ascent 4
-
Claimed
False
Disputed
False
Countries
-
Approach
Simikot->Chuwa Khola
Basecamp Date
-
Summit Date
2015-09-03
Summit Time
1315
Summit Days
0
Total Days
0
Termination Date
-
Termination Reason
1
Termination Notes
-
High Point (m)
6055
Traverse
False
Ski
False
Paraglide
False
Camps
0
Fixed Rope (m)
0
Total Members
5
Summit Members
5
Member Deaths
0
Total Hired
0
Summit Hired
0
Hired Deaths
0
No Hired
True
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
Smt(03,08/09)
Route Notes
Comment from Yuki Senda, Leader of the Western Nepal Expedition Party 2015, Doshisha Alpine Club:
"Doshisha Alpine Club marked its 90th anniversary in 2015 by embarking on an overseas expedition to scale Mt. Aichyn (6055m), an unclimbed mountain located in western Nepal. The first party reached the summit at 1:12 pm on September 3, followed by the second party at 12:54 pm on September 8."
Note: Summit dates in this record provided by the Nepal Ministry of Tourism.
Accidents
-
Achievement
-
Agency
Cosmo Treks
Commercial Route
False
Standard Route
False
Primary Route
False
Primary Member
False
Primary Reference
-
Primary ID
-
Checksum
2461759
Year
2015
Summit Success
True
O2 Summary
None
Route (lowercase)
nw side
Members
Field
Value
ID
65260
Imported
2026-03-06 18:06:05.675609
Expedition ID
ACHN15301
Member ID
01
Peak ID
ACHN
Year
2015
Season
3
First Name
Hiroki (Yuki)
Last Name
Senda
Sex
M
Age
0
Birth Date
-
Year of Birth
1992
Calculated Age
23
Citizenship
Japan
Status
Leader
Residence
Kyoto, Japan
Occupation
Student of environmental systems science
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
False
High Point (m)
True
Personal High Point (m)
6055
Summit Date 1
2015-09-03
Summit Date 2
-
Summit Date 3
-
Summit Time 1
1315
Summit Time 2
-
Summit Time 3
-
Route 1
1
Route 2
0
Route 3
0
Ascent 1
1
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
2446669
Summit Note 1
-
Summit Note 2
-
Summit Note 3
-
Death Route
-
Name (lowercase)
hiroki (yuki) senda
Year of Birth
1992
Year
2015
Age at Expedition
23
Role
Leader
Field
Value
ID
65261
Imported
2026-03-06 18:06:05.675609
Expedition ID
ACHN15301
Member ID
02
Peak ID
ACHN
Year
2015
Season
3
First Name
Kaya
Last Name
Ko
Sex
F
Age
0
Birth Date
-
Year of Birth
1992
Calculated Age
23
Citizenship
Japan
Status
Climber
Residence
Kyoto, Japan
Occupation
Student of aesthetics
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)
6055
Summit Date 1
2015-09-03
Summit Date 2
-
Summit Date 3
-
Summit Time 1
1315
Summit Time 2
-
Summit Time 3
-
Route 1
1
Route 2
0
Route 3
0
Ascent 1
1
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
2446762
Summit Note 1
-
Summit Note 2
-
Summit Note 3
-
Death Route
-
Name (lowercase)
kaya ko
Year of Birth
1992
Year
2015
Age at Expedition
23
Role
Member
Field
Value
ID
65262
Imported
2026-03-06 18:06:05.675609
Expedition ID
ACHN15301
Member ID
04
Peak ID
ACHN
Year
2015
Season
3
First Name
Shintaro
Last Name
Saito
Sex
M
Age
0
Birth Date
-
Year of Birth
1990
Calculated Age
25
Citizenship
Japan
Status
Climber
Residence
Kyoto, Japan
Occupation
Student of philosophy
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)
6055
Summit Date 1
2015-09-03
Summit Date 2
-
Summit Date 3
-
Summit Time 1
1315
Summit Time 2
-
Summit Time 3
-
Route 1
1
Route 2
0
Route 3
0
Ascent 1
1
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
2445940
Summit Note 1
-
Summit Note 2
-
Summit Note 3
-
Death Route
-
Name (lowercase)
shintaro saito
Year of Birth
1990
Year
2015
Age at Expedition
25
Role
Member
Field
Value
ID
65263
Imported
2026-03-06 18:06:05.675609
Expedition ID
ACHN15301
Member ID
05
Peak ID
ACHN
Year
2015
Season
3
First Name
Yuto
Last Name
Tamaki
Sex
M
Age
0
Birth Date
-
Year of Birth
1993
Calculated Age
22
Citizenship
Japan
Status
Climber
Residence
Kyoto, Japan
Occupation
Student of economics
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)
6055
Summit Date 1
2015-09-03
Summit Date 2
-
Summit Date 3
-
Summit Time 1
1315
Summit Time 2
-
Summit Time 3
-
Route 1
1
Route 2
0
Route 3
0
Ascent 1
1
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
2447002
Summit Note 1
-
Summit Note 2
-
Summit Note 3
-
Death Route
-
Name (lowercase)
yuto tamaki
Year of Birth
1993
Year
2015
Age at Expedition
22
Role
Member
Field
Value
ID
65264
Imported
2026-03-06 18:06:05.675609
Expedition ID
ACHN15301
Member ID
03
Peak ID
ACHN
Year
2015
Season
3
First Name
Yuma
Last Name
Ono
Sex
M
Age
0
Birth Date
-
Year of Birth
1995
Calculated Age
19
Citizenship
Japan
Status
Climber
Residence
Kyoto, Japan
Occupation
Student of economics
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)
6055
Summit Date 1
2015-09-03
Summit Date 2
-
Summit Date 3
-
Summit Time 1
1315
Summit Time 2
-
Summit Time 3
-
Route 1
1
Route 2
0
Route 3
0
Ascent 1
1
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
2447896
Summit Note 1
-
Summit Note 2
-
Summit Note 3
-
Death Route
-
Name (lowercase)
yuma ono
Year of Birth
1995
Year
2015
Age at Expedition
20
Role
Member
5 recorded members.
References
Field
Value
ID
9435
Imported
2026-03-06 18:06:36.307770
Expedition ID
ACHN15301
Reference ID
01
Year
2015
Type
5
Journal
-
Author
-
Title
https://www.doshisha.ac.jp/en/news/2015/1102/news-detail-534.html
Publisher
-
Publication Date
-
Language
-
Citation
-
Yak 94
-
Notes
-
1 recorded references.