Peaks
Tukuche
Japan 1991 NW Ridge expedition
Tukuche | 1991 NW Ridge
A Japan expedition to Tukuche in 1991 via NW Ridge, led by Takashi Ito.
Summit reached on 4th October 1991.
6 members recorded.
Expedition Details
Field
Value
ID
539
Imported
2026-03-06 18:04:49.359634
Expedition ID
TUKU91302
Peak ID
TUKU
Year
1991
Season
3
Host Country
1
Route 1
NW Ridge
Route 2
-
Route 3
-
Route 4
-
Nationality
Japan
Leaders
Takashi Ito
Sponsor
1991 Morioka Alpine Club Expedition to Tukuche Peak
Success 1
True
Success 2
False
Success 3
False
Success 4
False
Ascent 1
16th
Ascent 2
-
Ascent 3
-
Ascent 4
-
Claimed
False
Disputed
False
Countries
-
Approach
Dhampus Pass
Basecamp Date
1991-09-26
Summit Date
1991-10-04
Summit Time
-
Summit Days
8
Total Days
0
Termination Date
-
Termination Reason
1
Termination Notes
-
High Point (m)
6920
Traverse
False
Ski
False
Paraglide
False
Camps
1
Fixed Rope (m)
0
Total Members
6
Summit Members
2
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
BC(26/09,5000m),C1(01/10,6000m),Smt(04/10)
Route Notes
BC east of point 5087m, beginning of ridge east of French Pass by a junction of NW Ridge and ridge to point 6829m.
Did not fix any ropes so others did not make summit attempt because route difficult towards top. Were many crevasses near junction and 200m below top hidden crevasse on summit pair climbed roped together and belayed each other.
Accidents
None
Achievement
-
Agency
Cosmo Treks
Commercial Route
-
Standard Route
-
Primary Route
False
Primary Member
False
Primary Reference
False
Primary ID
-
Checksum
2452190
Year
1991
Summit Success
True
O2 Summary
None
Route (lowercase)
nw ridge
Members
Field
Value
ID
21672
Imported
2026-03-06 18:06:05.675609
Expedition ID
TUKU91302
Member ID
02
Peak ID
TUKU
Year
1991
Season
3
First Name
Hisashi
Last Name
Hashimoto
Sex
M
Age
0
Birth Date
-
Year of Birth
1952
Calculated Age
38
Citizenship
Japan
Status
Climbing Leader
Residence
Tonamura, Iwate, Japan
Occupation
Physiotherapist
Leader
False
Deputy
True
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)
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
12
HCN
0
Checksum
2432339
Summit Note 1
-
Summit Note 2
-
Summit Note 3
-
Death Route
-
Name (lowercase)
hisashi hashimoto
Year of Birth
1952
Year
1991
Age at Expedition
39
Role
Deputy
Field
Value
ID
21673
Imported
2026-03-06 18:06:05.675609
Expedition ID
TUKU91302
Member ID
01
Peak ID
TUKU
Year
1991
Season
3
First Name
Takashi
Last Name
Ito
Sex
M
Age
0
Birth Date
-
Year of Birth
1952
Calculated Age
39
Citizenship
Japan
Status
Leader
Residence
Morioka, Iwate, Japan
Occupation
Photographer
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)
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
12
HCN
0
Checksum
2432203
Summit Note 1
-
Summit Note 2
-
Summit Note 3
-
Death Route
-
Name (lowercase)
takashi ito
Year of Birth
1952
Year
1991
Age at Expedition
39
Role
Leader
Field
Value
ID
21674
Imported
2026-03-06 18:06:05.675609
Expedition ID
TUKU91302
Member ID
03
Peak ID
TUKU
Year
1991
Season
3
First Name
Ryusuke
Last Name
Kanno
Sex
M
Age
0
Birth Date
-
Year of Birth
1947
Calculated Age
43
Citizenship
Japan
Status
Climber
Residence
Rikuzentakada, Iwate, Japan
Occupation
Engineer
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)
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
12
HCN
0
Checksum
2430534
Summit Note 1
-
Summit Note 2
-
Summit Note 3
-
Death Route
-
Name (lowercase)
ryusuke kanno
Year of Birth
1947
Year
1991
Age at Expedition
44
Role
Member
Field
Value
ID
21675
Imported
2026-03-06 18:06:05.675609
Expedition ID
TUKU91302
Member ID
04
Peak ID
TUKU
Year
1991
Season
3
First Name
Ichita
Last Name
Ono
Sex
M
Age
0
Birth Date
-
Year of Birth
1946
Calculated Age
45
Citizenship
Japan
Status
Climber
Residence
Morioka, Iwate, Japan
Occupation
Mechanical engineer
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)
6920
Summit Date 1
1991-10-04
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
16
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
2430031
Summit Note 1
-
Summit Note 2
-
Summit Note 3
-
Death Route
-
Name (lowercase)
ichita ono
Year of Birth
1946
Year
1991
Age at Expedition
45
Role
Member
Field
Value
ID
21676
Imported
2026-03-06 18:06:05.675609
Expedition ID
TUKU91302
Member ID
05
Peak ID
TUKU
Year
1991
Season
3
First Name
Shoko
Last Name
Takahashi
Sex
F
Age
0
Birth Date
-
Year of Birth
1965
Calculated Age
26
Citizenship
Japan
Status
Climber
Residence
Morioka, Iwate, Japan
Occupation
Office worker for prefecture government
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)
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
Married name is Shoko Kitamura
Necrology
-
Summit Bid
1
Summit Term
12
HCN
0
Checksum
2436990
Summit Note 1
-
Summit Note 2
-
Summit Note 3
-
Death Route
-
Name (lowercase)
shoko takahashi
Year of Birth
1965
Year
1991
Age at Expedition
26
Role
Member
Field
Value
ID
21677
Imported
2026-03-06 18:06:05.675609
Expedition ID
TUKU91302
Member ID
06
Peak ID
TUKU
Year
1991
Season
3
First Name
Yukito
Last Name
Ueno
Sex
M
Age
0
Birth Date
-
Year of Birth
1954
Calculated Age
37
Citizenship
Japan
Status
Climber
Residence
Morioka, Iwate, Japan
Occupation
Office worker
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)
6920
Summit Date 1
1991-10-04
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
16
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
2432786
Summit Note 1
-
Summit Note 2
-
Summit Note 3
-
Death Route
-
Name (lowercase)
yukito ueno
Year of Birth
1954
Year
1991
Age at Expedition
37
Role
Member
6 recorded members.
Name
Sex
Year of Birth
Citizenship
Status
Residence
Occupation
Hisashi Hashimoto
M
1952
Japan
Climbing Leader
Tonamura, Iwate, Japan
Physiotherapist
Details
Other expeditions
Takashi Ito
M
1952
Japan
Leader
Morioka, Iwate, Japan
Photographer
Details
Other expeditions
Ryusuke Kanno
M
1947
Japan
Climber
Rikuzentakada, Iwate, Japan
Engineer
Details
Other expeditions
Ichita Ono
M
1946
Japan
Climber
Morioka, Iwate, Japan
Mechanical engineer
Details
Other expeditions
Shoko Takahashi
F
1965
Japan
Climber
Morioka, Iwate, Japan
Office worker for prefecture government
Details
Other expeditions
Yukito Ueno
M
1954
Japan
Climber
Morioka, Iwate, Japan
Office worker
Details
Other expeditions
References
Field
Value
ID
2476
Imported
2026-03-06 18:06:36.307770
Expedition ID
TUKU91302
Reference ID
01
Year
1991
Type
2
Journal
AAJ
Author
Hawley, Elizabeth
Title
-
Publisher
-
Publication Date
1992
Language
-
Citation
66:224 (1992)
Yak 94
-
Notes
-
Field
Value
ID
6750
Imported
2026-03-06 18:06:36.307770
Expedition ID
TUKU91302
Reference ID
02
Year
1991
Type
3
Journal
IWA
Author
-
Title
-
Publisher
-
Publication Date
1992
Language
Japanese w/English summary
Citation
:216 (1992)
Yak 94
-
Notes
-
Field
Value
ID
6834
Imported
2026-03-06 18:06:36.307770
Expedition ID
TUKU91302
Reference ID
03
Year
1991
Type
3
Journal
IWA
Author
-
Title
-
Publisher
-
Publication Date
1992
Language
Japanese
Citation
:69-70 (1992)
Yak 94
-
Notes
-
Field
Value
ID
11495
Imported
2026-03-06 18:06:36.307770
Expedition ID
TUKU91302
Reference ID
04
Year
1991
Type
5
Journal
-
Author
-
Title
http://publications.americanalpineclub.org/articles/12199222402/Asia-Nepal-Tukuche-and-Dhampus-Ascents
Publisher
-
Publication Date
-
Language
-
Citation
-
Yak 94
-
Notes
-
4 recorded references.