A Japan expedition to Tukuche in 1977, led by Takao Imai.
4 members recorded.
Expedition Details
Field
Value
ID
2181
Imported
2026-03-06 18:04:49.359634
Expedition ID
TUKU77301
Peak ID
TUKU
Year
1977
Season
3
Host Country
1
Route 1
-
Route 2
-
Route 3
-
Route 4
-
Nationality
Japan
Leaders
Takao Imai
Sponsor
Toho-Keiryu-Kai Alpine 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
-
Summit Date
-
Summit Time
-
Summit Days
0
Total Days
0
Termination Date
-
Termination Reason
11
Termination Notes
-
High Point (m)
0
Traverse
False
Ski
False
Paraglide
False
Camps
0
Fixed Rope (m)
0
Total Members
4
Summit Members
0
Member Deaths
1
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
-
Route Notes
Imai, et al - 17 Aug 77
Expedition cancelled. Kobayashi's (ribs) chest injured but not broken or fractured. Bus took curves fast on hairpin curves. Asking today JAC if Inoue's parents coming to KTM. Body to be held for parents and 3 members wait for answer. Bus stopped for team's lunch and then they walked towards [Trisuli] river. Bus came to pick them up and came down curve at very high speed. I ran but Inoue hit and knocked him 30m to rocky side of river; died on way to KTM of massive internal injuries. Kobayashi hit by baggage on top of bus. Driver said brakes failed but factor may be heavy baggage on top and no passengers. Accident 2:15 pm. Reached hospital 6:25 pm by public bus. 2 Sherpas and Sato & Kobayashi hurt.
In bus were:
4 expedition Japanese
1 trekking Japanese
4 expedition Sherpas including mailrunner and cook
1 LO
7 assistants to trekking Japanese
Imai & Sato - 14 Aug 77
Leave KTM 16 Aug by bus to Pokhara. Pokhara -> BC 17-27 Sept
BC 4300-4600m, C4 6600m
Summit 5-10 Oct.
Route via NE Face. New route - very difficult: steep ice face, hence need for 4 camps
2 summit teams of 2 men each
2 Sherpas - can go to C4 but not summit.
No doctor on team
Sato to fly strong kite from top.
Accidents
Member killed in bus accident enroute to mountain
Achievement
-
Agency
-
Commercial Route
-
Standard Route
-
Primary Route
False
Primary Member
False
Primary Reference
-
Primary ID
-
Checksum
3642
Year
1977
Summit Success
False
O2 Summary
None
Route (lowercase)
-
Members
Takao Imai
Field
Value
ID
21561
Imported
2026-03-06 18:06:05.675609
Expedition ID
TUKU77301
Member ID
01
Peak ID
TUKU
Year
1977
Season
3
First Name
Takao
Last Name
Imai
Sex
M
Age
0
Birth Date
-
Year of Birth
1947
Calculated Age
30
Citizenship
Japan
Status
Leader
Residence
Tokyo, Japan
Occupation
Chemist in institute making vaccine
Leader
True
Deputy
False
Basecamp Only
False
Not to BC
True
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
5
HCN
0
Checksum
2430206
Summit Note 1
-
Summit Note 2
-
Summit Note 3
-
Death Route
-
Name (lowercase)
takao imai
Year of Birth
1947
Year
1977
Age at Expedition
30
Role
Leader
Yoshio Inoue
Field
Value
ID
21562
Imported
2026-03-06 18:06:05.675609
Expedition ID
TUKU77301
Member ID
02
Peak ID
TUKU
Year
1977
Season
3
First Name
Yoshio
Last Name
Inoue
Sex
M
Age
0
Birth Date
-
Year of Birth
1947
Calculated Age
29
Citizenship
Japan
Status
Climber
Residence
Tokyo, Japan
Occupation
Computer programmer
Leader
False
Deputy
False
Basecamp Only
False
Not to BC
True
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
True
Death Date
1977-08-16
Death Time
1415
Death Type
11
Death Height (m)
400
Death Class
1
AMS
False
Weather
False
Injury
False
Injury Date
-
Injury Time
-
Injury Type
0
Injury Height (m)
0
Death Notes
Yoshio Inoue died in road accident on 16 Aug enroute to mountain
Member Notes
-
Necrology
(1947-1977) Died 16 Aug 1977 from road accident enroute to Tukuche
Summit Bid
1
Summit Term
5
HCN
0
Checksum
2430323
Summit Note 1
-
Summit Note 2
-
Summit Note 3
-
Death Route
-
Name (lowercase)
yoshio inoue
Year of Birth
1947
Year
1977
Age at Expedition
30
Role
Member
Takeshi Kobayashi
Field
Value
ID
21563
Imported
2026-03-06 18:06:05.675609
Expedition ID
TUKU77301
Member ID
03
Peak ID
TUKU
Year
1977
Season
3
First Name
Takeshi
Last Name
Kobayashi
Sex
M
Age
0
Birth Date
-
Year of Birth
1951
Calculated Age
25
Citizenship
Japan
Status
Climber
Residence
Kasukabe, Saitama, Japan
Occupation
Salesman
Leader
False
Deputy
False
Basecamp Only
False
Not to BC
True
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
True
Injury Date
1977-08-16
Injury Time
1415
Injury Type
11
Injury Height (m)
400
Death Notes
Kobayashi injured in road accident on 16 Aug enroute to mountain