
Japan Mountain Safety & Training Initiative
This library provides Mountain Related Incidents from 2020–2026 collected from Nagaon Police Incident reports. The purpose to collect valuable insights from the collected data for the prevention and highlighted training areas.
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14 Jun 2026
Summer
Hiker Trip Kirigamine
Suwa
Central Nagano
Age
84
Female
GROUP
2 people
ACTIVITY
Hiking
INCIDENT
Trip
STATUS
Minor Injury
OUTCOME
Rescued
On June 14th, 2026, a 84-year-old female hiker in a party of 2 tripped or lost balance and fell at Kirigamine, resulting in minor injuries.
2人パーティで車山肩から入山し、遊歩道の木の根を踏み抜いて、転倒、負傷
Source: Nagano Police Sangaku Info
Source File:
n449_20260616.pdf
14 Jun 2026
Summer
Forager Not Returned Iiyama
Iiyama
Northern Nagano
Age
68
Male
GROUP
3 people
ACTIVITY
Foraging
INCIDENT
Not Returned
STATUS
Missing
OUTCOME
Missing
On June 14th, 2026, a 68-year-old male forager in a party of 3 did not return from mountain activity at Iiyama , resulting in a missing-person response.
3人パーティで山菜採り中、集合場所に現れず、行方不明
Source: Nagano Police Sangaku Info
Source File:
n449_20260616.pdf
12 Jun 2026
Summer
Mountaineer injured in fall at Mt. Shirouma
Hakuba
Northern Alps
Age
64
Male
GROUP
Solo
ACTIVITY
Mountaineering
INCIDENT
Fall from Height
STATUS
Minor Injury
OUTCOME
Rescued
On June 12th, 2026, a 64-year-old male solo mountaineer suffered a fall from height at Mt. Shirouma while descending, resulting in minor injuries.
単独で白馬大雪渓を下山中、雪上でスリップし、滑落、負傷
Source: Nagano Police Sangaku Info
Source File:
n449_20260616.pdf
11 Jun 2026
Summer
Hiker dies after fall at Mt. Amakazari
Otari
Northern Alps
Age
24
Male
GROUP
Solo
ACTIVITY
Hiking
INCIDENT
Fall from Height
STATUS
Fatal Injuries
OUTCOME
Fatality
On June 11th, 2026, a 24-year-old male solo hiker suffered a fall from height at Mt. Amakazari, resulting in fatal injuries.
単独で雨飾山へ入山し、行方不明、6/11遺体で発見
Source: Nagano Police Sangaku Info
Source File:
n449_20260616.pdf
10 Jun 2026
Summer
Mountaineer injured in fall at Mt. Amida
Yatsugatake
Yatsugatake Range
Age
65
Male
GROUP
2 people
ACTIVITY
Mountaineering
INCIDENT
Fall from Height
STATUS
Minor Injury
OUTCOME
Rescued
On June 10th, 2026, a 65-year-old male mountaineer in a party of 2 suffered a fall from height at Mt. Amida while descending, resulting in minor injuries.
2人パーティで阿弥陀岳から下山中、つまずいて、滑落、負傷
Source: Nagano Police Sangaku Info
Source File:
n449_20260616.pdf
10 Jun 2026
Summer
Climber injured in fall at Ogawayama
Kawakami
Chichibu Mountains
Age
76
Female
GROUP
5 people
ACTIVITY
Rock Climbing
INCIDENT
Fall from Height
STATUS
Minor Injury
OUTCOME
Rescued
On June 10th, 2026, a 76-year-old female rock climber in a party of 5 suffered a fall from height at Ogawayama, resulting in minor injuries.
5人パーティでクライミング中、スリップし、滑落、負傷
Source: Nagano Police Sangaku Info
Source File:
n449_20260616.pdf
10 Jun 2026
Summer
Climber Equipment Failure Mt. Harinoki
Omachi
Northern Alps
Age
44
Male
GROUP
Solo
ACTIVITY
Mountaineering
INCIDENT
Equipment Failure
STATUS
Unable to Continue
OUTCOME
Rescued
On June 10th, 2026, a 44-year-old male solo mountaineer experienced an equipment or preparation issue and was unable to continue at Mt. Harinoki while climbing, requiring rescue. The report notes insufficient equipment. The patient status included leg injury.
単独で針ノ木雪渓を登山中、装備不足により、行動不能
Source: Nagano Police Sangaku Info
Source File:
n449_20260616.pdf
8 Jun 2026
Summer
Forager Lost Takayama Village
Takayama Village
Northern Nagano
Age
71
Male
GROUP
Solo
ACTIVITY
Foraging
INCIDENT
Lost
STATUS
Unable to Continue
OUTCOME
Rescued
On June 8th, 2026, a 71-year-old male solo forager lost the route and became unable to continue at Takayama Village , requiring rescue.
単独で山菜採り中、道に迷い、行動不能
Source: Nagano Police Sangaku Info
Source File:
n449_20260616.pdf
7 Jun 2026
Summer
Forager Lost Kawakami
Kawakami
Chichibu Mountains
Age
87
Female
GROUP
3 people
ACTIVITY
Foraging
INCIDENT
Lost
STATUS
Missing
OUTCOME
Rescued
On June 7th, 2026, a 87-year-old female forager in a party of 3 lost the route and became unable to continue at Kawakami , resulting in a missing-person response.
3人パーティで山菜採り中、集合場所に現れず、行方不明。6/8、捜索中の山岳遭難救助隊員が発見、救助。
Source: Nagano Police Sangaku Info
Source File:
n448_20260609.pdf
4 Jun 2026
Summer
Forager injured in fall at Takayama Village
Takayama Village
Northern Nagano
Age
33
Male
GROUP
2 people
ACTIVITY
Foraging
INCIDENT
Fall from Height
STATUS
Minor Injury
OUTCOME
Rescued
On June 4th, 2026, a 33-year-old male forager in a party of 2 suffered a fall from height at Takayama Village , resulting in minor injuries.
2人パーティで山菜採り中、急斜面で滑落、負傷
Source: Nagano Police Sangaku Info
Source File:
n448_20260609.pdf
2 Jun 2026
Summer
Hiker Medical Event Mt. Okuhotaka
Kamikochi
Northern Alps
Age
34
Female
GROUP
3 people
ACTIVITY
Hiking
INCIDENT
Medical Event
STATUS
Medical Emergency
OUTCOME
Rescued
On June 2nd, 2026, a 34-year-old female hiker in a party of 3 suffered a medical event at Mt. Okuhotaka while ascending, resulting in a medical emergency.
3人パーティで登山中、体調不良により、行動不能 (イギリス国籍)
Source: Nagano Police Sangaku Info
Source File:
n448_20260609.pdf
31 May 2026
Spring
Mountaineer injured in fall at Mt. Kitahotaka
Kamikochi
Northern Alps
Age
40
Male
GROUP
Solo
ACTIVITY
Mountaineering
INCIDENT
Fall from Height
STATUS
Minor Injury
OUTCOME
Rescued
On May 31st, 2026, a 40-year-old male solo mountaineer suffered a fall from height at Mt. Kitahotaka while descending, resulting in minor injuries.
単独で北穂高岳から下山中、雪上でスリップし、滑落、負傷(インドネシア国籍)
Source: Nagano Police Sangaku Info
Source File:
n447_20260602.pdf
31 May 2026
Spring
Hiker Slip Mt. Madarao
Iiyama / Shinano
Northern Nagano
Age
68
Male
GROUP
Unknown
ACTIVITY
Hiking
INCIDENT
Slip
STATUS
Minor Injury
OUTCOME
Rescued
On May 31st, 2026, a 68-year-old male hiker slipped and fell at Mt. Madarao while descending, resulting in minor injuries.
12名パーティで斑尾山から下山中、スリップして転倒、負傷
Source: Nagano Police Sangaku Info
Source File:
n447_20260602.pdf
30 May 2026
Spring
Hiker rescued after losing route at Mt. Nunobiki
Komoro
Eastern Nagano
Age
25
Male
GROUP
Solo
ACTIVITY
Hiking
INCIDENT
Lost
STATUS
Unable to Continue
OUTCOME
Rescued
On May 30th, 2026, a 25-year-old male solo hiker experienced an incident at Mt. Nunobiki while ascending, requiring rescue.
単独で登山中、崖に迷い込み行動不能に (ハンガリー国籍)
Source: Nagano Police Sangaku Info
Source File:
n447_20260602.pdf
27 May 2026
Spring
Climber Equipment Failure Mt. Yari
Kamikochi
Northern Alps
Age
22
Male
GROUP
2 people
ACTIVITY
Mountaineering
INCIDENT
Equipment Failure
STATUS
Unable to Continue
OUTCOME
Rescued
On May 27th, 2026, a 22-year-old male mountaineer in a party of 2 experienced an equipment or preparation issue and was unable to continue at Mt. Yari while climbing, requiring rescue. The report notes insufficient equipment. The patient status included leg injury.
2人パーティで登山中、槍沢の天狗原分岐付近で装備不足のため、行動不能に (シンガポール国籍)
Source: Nagano Police Sangaku Info
Source File:
n447_20260602.pdf
25 May 2026
Spring
Hiker injured in fall at Mt. Keikan
Iida / Southern Nagano
Southern Nagano
Age
58
Male
GROUP
Solo
ACTIVITY
Hiking
INCIDENT
Fall from Height
STATUS
Minor Injury
OUTCOME
Rescued
On May 25th, 2026, a 58-year-old male solo hiker suffered a fall from height at Mt. Keikan while ascending, resulting in minor injuries.
単独で登山中、つかんだ岩が崩れ、滑落、負傷
Source: Nagano Police Sangaku Info
Source File:
n447_20260602.pdf
17 May 2026
Spring
Forager Not Returned Shiga Kogen
Shiga Kogen
Eastern Nagano
Age
77
Male
GROUP
Solo
ACTIVITY
Foraging
INCIDENT
Not Returned
STATUS
Missing
OUTCOME
Missing
On May 17th, 2026, a 77-year-old male solo forager did not return from mountain activity at Shiga Kogen , resulting in a missing-person response.
2人パーティで山菜採りのため入山し、単独行動中、行方不明
Source: Nagano Police Sangaku Info
Source File:
n445_20260519.pdf
17 May 2026
Spring
Hiker Fatigue Mt. Asama
Asama Highlands
Eastern Nagano
Age
60
Male
GROUP
7 people
ACTIVITY
Hiking
INCIDENT
Fatigue
STATUS
Unable to Continue
OUTCOME
Rescued
On May 17th, 2026, a 60-year-old male hiker in a party of 7 became fatigued and was unable to continue at Mt. Asama while descending, requiring rescue.
7人パーティで下山中、疲労により、行動不能
Source: Nagano Police Sangaku Info
Source File:
n445_20260519.pdf
12 May 2026
Spring
Hiker Not Returned Mt. Tsubakuro
Azumino
Northern Alps
Age
58
Female
GROUP
Solo
ACTIVITY
Hiking
INCIDENT
Not Returned
STATUS
Missing
OUTCOME
Missing
On May 12th, 2026, a 58-year-old female solo hiker did not return from mountain activity at Mt. Tsubakuro, resulting in a missing-person response.
4/29から、単独で燕岳方面に登山へ向かったまま、行方不明
Source: Nagano Police Sangaku Info
Source File:
n445_20260519.pdf
11 May 2026
Spring
Hiker dies after fall at Mt. Eboshi
Takase Valley
Northern Alps
Age
59
Male
GROUP
Solo
ACTIVITY
Hiking
INCIDENT
Fall from Height
STATUS
Fatal Injuries
OUTCOME
Fatality
On May 11th, 2026, a 59-year-old male solo hiker suffered a fall from height at Mt. Eboshi while descending, resulting in fatal injuries.
単独で下山中、何らかの原因で、滑落
Source: Nagano Police Sangaku Info
Source File:
n445_20260519.pdf
11 May 2026
Spring
Mountaineer dies after fall at Mt. Chogatake
Kamikochi
Northern Alps
Age
61
Female
GROUP
7 people
ACTIVITY
Mountaineering
INCIDENT
Fall from Height
STATUS
Fatal Injuries
OUTCOME
Fatality
On May 11th, 2026, a 61-year-old female mountaineer in a party of 7 suffered a fall from height at Mt. Chogatake while descending, resulting in fatal injuries. The patient status included leg injury.
7人パーティで下山中、雪に足を滑らせて、滑落
Source: Nagano Police Sangaku Info
Source File:
n445_20260519.pdf
11 May 2026
Spring
Hiker Lost Mt. Jiigatake
Omachi
Northern Alps
Age
35
Male
GROUP
Solo
ACTIVITY
Hiking
INCIDENT
Lost
STATUS
Unable to Continue
OUTCOME
Rescued
On May 11th, 2026, a 35-year-old male solo hiker lost the route and became unable to continue at Mt. Jiigatake while descending, requiring rescue.
単独で下山中、道に迷い、行動不能
Source: Nagano Police Sangaku Info
Source File:
n445_20260519.pdf
11 May 2026
Spring
Mountaineer injured in fall at Mt. Chogatake
Kamikochi
Northern Alps
Age
71
Male
GROUP
Unknown
ACTIVITY
Mountaineering
INCIDENT
Fall from Height
STATUS
Minor Injury
OUTCOME
Rescued
On May 11th, 2026, a 71-year-old male subject suffered a fall from height at Mt. Chogatake, resulting in a minor leg injury.
上記遭難者の救助に向かったところ、雪に足を滑らせて、滑落、負傷
Source: Nagano Police Sangaku Info
Source File:
n445_20260519.pdf
10 May 2026
Spring
Mountaineer dies after fall at Mt. Kashimayari
Omachi / Hakuba
Northern Alps
Age
71
Male
GROUP
Solo
ACTIVITY
Mountaineering
INCIDENT
Fall from Height
STATUS
Fatal Injuries
OUTCOME
Fatality
On May 10th, 2026, a 71-year-old male solo mountaineer suffered a fall from height at Mt. Kashimayari while climbing, resulting in fatal injuries.
単独で鹿島槍ヶ岳を登山中、何らかの原因で、行方不明となってい たもの。5/12遺体で発見
Source: Nagano Police Sangaku Info
Source File:
n445_20260519.pdf
10 May 2026
Spring
Mountaineer dies after fall at Mt. Honin
Togakushi
Northern Nagano
Age
46
Female
GROUP
2 people
ACTIVITY
Mountaineering
INCIDENT
Fall from Height
STATUS
Fatal Injuries
OUTCOME
Fatality
On May 10th, 2026, a 46-year-old female mountaineer in a party of 2 suffered a fall from height at Mt. Honin while climbing, resulting in fatal injuries. The patient status included leg injury.
2人パーティで登山中、雪に足を滑らせて滑落、死亡
Source: Nagano Police Sangaku Info
Source File:
n443_20260428.pdf
10 May 2026
Spring
Hiker Not Returned Mt. Kashimayari
Omachi / Hakuba
Northern Alps
Age
71
Male
GROUP
Solo
ACTIVITY
Hiking
INCIDENT
Not Returned
STATUS
Missing
OUTCOME
Missing
On May 10th, 2026, a 71-year-old male solo hiker did not return from mountain activity at Mt. Kashimayari, resulting in a missing-person response.
単独で鹿島槍ヶ岳に入山し、行方不明
Source: Nagano Police Sangaku Info
Source File:
n443_20260428.pdf
9 May 2026
Spring
Mountaineer injured in fall at Mt. Takatsuma
Togakushi
Northern Nagano
Age
52
Female
GROUP
3 people
ACTIVITY
Mountaineering
INCIDENT
Fall from Height
STATUS
Minor Injury
OUTCOME
Rescued
On May 9th, 2026, a 52-year-old female mountaineer in a party of 3 suffered a fall from height at Mt. Takatsuma while descending, resulting in a minor leg injury.
3人パーティで下山中、雪に足を滑らせ滑落、負傷
Source: Nagano Police Sangaku Info
Source File:
n443_20260428.pdf
6 May 2026
Spring
Mountaineer injured in fall at Mt. Akadake
Yatsugatake
Yatsugatake Range
Age
49
Male
GROUP
2 people
ACTIVITY
Mountaineering
INCIDENT
Fall from Height
STATUS
Minor Injury
OUTCOME
Rescued
On May 6th, 2026, a 49-year-old male mountaineer in a party of 2 suffered a fall from height at Mt. Akadake while climbing, resulting in minor injuries. The report identifies this as a fall from ridge or exposed route. The patient status included leg injury.
2人パーティで赤岳(硫黄尾根)をロープをつないで 登山中、女性が雪に足を滑らせ滑落し、男性もともに滑落、負傷
Source: Nagano Police Sangaku Info
Source File:
n443_20260428.pdf
5 May 2026
Spring
Hiker Fatigue Mt. Norikura
Matsumoto
Northern Alps
Age
47
Male
GROUP
Solo
ACTIVITY
Hiking
INCIDENT
Fatigue
STATUS
Unable to Continue
OUTCOME
Rescued
On May 5th, 2026, a 47-year-old male solo hiker became fatigued and was unable to continue at Mt. Norikura while ascending, requiring rescue.
単独で白馬乗鞍岳を登山中、山頂付近で疲労により、行動不能
Source: Nagano Police Sangaku Info
Source File:
n443_20260428.pdf
5 May 2026
Spring
Hiker Lost Mt. Kasumisawa
Kamikochi
Northern Alps
Age
68
Male
GROUP
Solo
ACTIVITY
Hiking
INCIDENT
Lost
STATUS
Unable to Continue
OUTCOME
Rescued
On May 5th, 2026, a 68-year-old male solo hiker lost the route and became unable to continue at Mt. Kasumisawa while descending, requiring rescue.
単独で霞沢岳から徳本峠に向けて下山中、道に迷い、行動不能
Source: Nagano Police Sangaku Info
Source File:
n443_20260428.pdf
5 May 2026
Spring
Hiker Trip Kirigamine
Suwa
Central Nagano
Age
59
Male
GROUP
3 people
ACTIVITY
Hiking
INCIDENT
Trip
STATUS
Minor Injury
OUTCOME
Rescued
On May 5th, 2026, a 59-year-old male hiker in a party of 3 tripped or lost balance and fell at Kirigamine while ascending, resulting in a minor leg injury.
3 人パーティで登山中、木の根に足をはさんで、転倒、負傷
Source: Nagano Police Sangaku Info
Source File:
n443_20260428.pdf
4 May 2026
Spring
Climber Fatigue Mt. Shirouma
Hakuba
Northern Alps
Age
50
Male
GROUP
3 people
ACTIVITY
Mountaineering
INCIDENT
Fatigue
STATUS
Fatal Injuries
OUTCOME
Fatality
On May 4th, 2026, a 50-year-old male mountaineer in a party of 3 became fatigued and was unable to continue at Mt. Shirouma while climbing, resulting in fatal injuries. Poor weather affected movement or rescue.
3人パーティで登山中、吹雪により、行動不能
Source: Nagano Police Sangaku Info
Source File:
n443_20260428.pdf
3 May 2026
Spring
Mountaineer injured in fall at Mt. Okuhotaka
Kamikochi
Northern Alps
Age
71
Male
GROUP
Solo
ACTIVITY
Mountaineering
INCIDENT
Fall from Height
STATUS
Minor Injury
OUTCOME
Rescued
On May 3rd, 2026, a 71-year-old male solo mountaineer suffered a fall from height at Mt. Okuhotaka while descending, resulting in minor injuries.
単独で奥穂高岳山頂から下山中、強風により、バランスを崩し滑落、負傷
Source: Nagano Police Sangaku Info
Source File:
n443_20260428.pdf
2 May 2026
Spring
Hiker Lost Mt. Togakushi
Togakushi
Northern Nagano
Age
57
Male
GROUP
Solo
ACTIVITY
Hiking
INCIDENT
Lost
STATUS
Unable to Continue
OUTCOME
Rescued
On May 2nd, 2026, a 57-year-old male solo hiker lost the route and became unable to continue at Mt. Togakushi while ascending, requiring rescue.
単独で八方睨に向けて登山中、道に迷い、行動不能
Source: Nagano Police Sangaku Info
Source File:
n443_20260428.pdf
2 May 2026
Spring
Mountaineer fatal incident at Daisekkei
Hakuba
Northern Alps
Age
58
Male
GROUP
Solo
ACTIVITY
Mountaineering
INCIDENT
Unspecified
STATUS
Fatal Injuries
OUTCOME
Fatality
On May 2nd, 2026, a 58-year-old male solo mountaineer was found deceased for reasons not specified in the report at Daisekkei while climbing,
単独で大雪渓を登山中、何らかの原因で、行動不能
Source: Nagano Police Sangaku Info
Source File:
n443_20260428.pdf
30 Apr 2026
Spring
Forager injured in fall at Takayama Village
Takayama Village
Northern Nagano
Age
71
Male
GROUP
2 people
ACTIVITY
Foraging
INCIDENT
Fall from Height
STATUS
Minor Injury
OUTCOME
Rescued
On April 30th, 2026, a 71-year-old male forager in a party of 2 suffered a fall from height at Takayama Village , resulting in minor injuries.
2人パーティで山菜採り中に、滑落、負傷
Source: Nagano Police Sangaku Info
Source File:
n443_20260428.pdf
29 Apr 2026
Spring
Climber injured in fall at Ogawayama
Kawakami
Chichibu Mountains
Age
42
Male
GROUP
3 people
ACTIVITY
Rock Climbing
INCIDENT
Fall from Height
STATUS
Minor Injury
OUTCOME
Rescued
On April 29th, 2026, a 42-year-old male rock climber in a party of 3 suffered a fall from height at Ogawayama, resulting in minor injuries.
3人パーティでロッククライミング中に、転落、負傷
Source: Nagano Police Sangaku Info
Source File:
n443_20260428.pdf
28 Apr 2026
Spring
Backcountry Skier Avalanche Happo-sawa
Hakuba
Northern Alps
Age
33
Female
GROUP
2 people
ACTIVITY
Backcountry Ski
INCIDENT
Avalanche
STATUS
Fatal Injuries
OUTCOME
Fatality
On April 28th, 2026, a 33-year-old female backcountry skier in a party of 2 was caught in an avalanche at Happo-sawa, resulting in fatal injuries.
1月初め、2人パーティで八方沢をスキーで滑走中、雪崩に巻き込まれ、行方不明となっていたもの。
Source: Nagano Police Sangaku Info
Source File:
n443_20260428.pdf
25 Apr 2026
Spring
Mountaineer injured in fall at Mt. Chogatake
Kamikochi
Northern Alps
Age
60
Male
GROUP
2 people
ACTIVITY
Mountaineering
INCIDENT
Fall from Height
STATUS
Minor Injury
OUTCOME
Rescued
On April 25th, 2026, a 60-year-old male mountaineer in a party of 2 suffered a fall from height at Mt. Chogatake while descending, resulting in a minor leg injury.
2人パーティで蝶ケ岳から三股登山口に下山中、足を滑らせ滑落、負傷
Source: Nagano Police Sangaku Info
Source File:
n443_20260428.pdf
20 Apr 2026
Spring
Hiker injured in fall at Mt. Myojin
Kamikochi
Northern Alps
Age
42
Female
GROUP
2 people
ACTIVITY
Hiking
INCIDENT
Fall from Height
STATUS
Minor Injury
OUTCOME
Rescued
On April 20th, 2026, a 42-year-old female hiker in a party of 2 suffered a fall from height at Mt. Myojin while descending, resulting in minor injuries.
2人パーティで明神岳から上高地に向けて下山中、シリセードのスピードコントロールができず、滑落、負傷
Source: Nagano Police Sangaku Info
Source File:
n443_20260428.pdf
20 Apr 2026
Spring
Hiker injured in fall at Mt. Myojin
Kamikochi
Northern Alps
Age
32
Female
GROUP
2 people
ACTIVITY
Hiking
INCIDENT
Fall from Height
STATUS
Unable to Continue
OUTCOME
Rescued
On April 20th, 2026, a 32-year-old female hiker in a party of 2 suffered a fall from height at Mt. Myojin while descending, requiring rescue. The patient status included leg injury.
2人パーティで明神岳から上高地に向けて下山中、同行者が滑落、技量不足により、行動不能 (上記遭難者の同行者)
Source: Nagano Police Sangaku Info
Source File:
n443_20260428.pdf
19 Apr 2026
Spring
Mountaineer injured in fall at Mt. Shogito
Kiso
Central Alps
Age
55
Male
GROUP
Solo
ACTIVITY
Mountaineering
INCIDENT
Fall from Height
STATUS
Unable to Continue
OUTCOME
Rescued
On April 19th, 2026, a 55-year-old male solo mountaineer suffered a fall from height at Mt. Shogito while descending, requiring rescue. The patient status included head injury, leg injury.
単独で木曽駒ケ岳から下山中、将棊頭山山頂付近で滑落し、技量不足により、行動不能
Source: Nagano Police Sangaku Info
Source File:
n442_20260421.pdf
18 Apr 2026
Spring
Mountaineer injured in fall at Mt. Shirouma
Hakuba
Northern Alps
Age
54
Female
GROUP
2 people
ACTIVITY
Mountaineering
INCIDENT
Fall from Height
STATUS
Minor Injury
OUTCOME
Rescued
On April 18th, 2026, a 54-year-old female mountaineer in a party of 2 suffered a fall from height at Mt. Shirouma while climbing, resulting in minor injuries. The report identifies this as a fall from ridge or exposed route.
2人パーティで白馬岳主稜を登山中、滑落し、負傷
Source: Nagano Police Sangaku Info
Source File:
n442_20260421.pdf
18 Apr 2026
Spring
Climber Equipment Failure Mt. Shirouma
Hakuba
Northern Alps
Age
59
Male
GROUP
2 people
ACTIVITY
Mountaineering
INCIDENT
Equipment Failure
STATUS
Unable to Continue
OUTCOME
Rescued
On April 18th, 2026, a 59-year-old male mountaineer in a party of 2 experienced an equipment or preparation issue and was unable to continue at Mt. Shirouma while climbing, requiring rescue. Technical skill limitation was noted. The patient status included leg injury.
2人パーティで白馬岳主稜を登山中、上記同行者が遭難したため、技量不足により、行動不能
Source: Nagano Police Sangaku Info
Source File:
n442_20260421.pdf
18 Apr 2026
Spring
Hiker Medical Event Mt. Karita
Obuse / Suzaka
Northern Nagano
Age
50
Female
GROUP
2 people
ACTIVITY
Hiking
INCIDENT
Medical Event
STATUS
Medical Emergency
OUTCOME
Rescued
On April 18th, 2026, a 50-year-old female hiker in a party of 2 suffered a medical event at Mt. Karita while descending, resulting in a medical emergency.
2人パーティで雁田山を下山中、発病により、行動不能
Source: Nagano Police Sangaku Info
Source File:
n442_20260421.pdf
17 Apr 2026
Spring
Climber Not Returned Mt. Shirouma
Hakuba
Northern Alps
Age
40
Male
GROUP
Solo
ACTIVITY
Mountaineering
INCIDENT
Not Returned
STATUS
Fatal Injuries
OUTCOME
Fatality
On April 17th, 2026, a 40-year-old male solo mountaineer did not return from mountain activity at Mt. Shirouma, requiring search and rescue.
単独で白馬岳に入山し、何らかの原因により、行動不能(4月11日に単独で入山し、行方不明になっていたもの)
Source: Nagano Police Sangaku Info
Source File:
n442_20260421.pdf
3 Apr 2026
Spring
Backcountry Skier Avalanche Mt. Kashimayari
Omachi / Hakuba
Northern Alps
Age
28
Male
GROUP
2 people
ACTIVITY
Backcountry Ski
INCIDENT
Avalanche
STATUS
Minor Injury
OUTCOME
Rescued
On April 3rd, 2026, a 28-year-old male backcountry skier in a party of 2 was caught in an avalanche at Mt. Kashimayari, resulting in minor injuries.
2人パーティで北股本谷付近のバックカントリーを滑走中、雪崩により、負傷
Source: Nagano Police Sangaku Info
Source File:
n440_20260407.pdf
22 Mar 2026
Spring
Mountaineer injured in fall at Mt. Kashimayari
Omachi / Hakuba
Northern Alps
Age
64
Male
GROUP
2 people
ACTIVITY
Mountaineering
INCIDENT
Fall from Height
STATUS
Minor Injury
OUTCOME
Rescued
On March 22nd, 2026, a 64-year-old male mountaineer in a party of 2 suffered a fall from height at Mt. Kashimayari while climbing, resulting in minor injuries. The report identifies this as a fall from ridge or exposed route.
2人パーティで天狗尾根を登山中、バランスを崩して、滑落、負傷
Source: Nagano Police Sangaku Info
Source File:
n438_20260324.pdf
22 Mar 2026
Spring
Backcountry Skier Lost Otari
Otari
Northern Alps
Age
36
Male
GROUP
2 people
ACTIVITY
Backcountry Ski
INCIDENT
Lost
STATUS
Unable to Continue
OUTCOME
Rescued
On March 22nd, 2026, a 36-year-old male backcountry skier in a party of 2 lost the route and became unable to continue at Otari , requiring rescue.
2人パーティでバックカントリーを滑走中、道に迷い、行動不能
Source: Nagano Police Sangaku Info
Source File:
n438_20260324.pdf
21 Mar 2026
Spring
Climber Lost Mt. Kisokomagatake
Kiso Valley
Central Alps
Age
14
Male
GROUP
Solo
ACTIVITY
Mountaineering
INCIDENT
Lost
STATUS
Unable to Continue
OUTCOME
Rescued
On March 21st, 2026, a 14-year-old male solo mountaineer lost the route and became unable to continue at Mt. Kisokomagatake, requiring rescue.
単独で桂木場登山口から入山し、木曽駒ヶ岳山頂付近で道に迷い、行動不能に
Source: Nagano Police Sangaku Info
Source File:
n438_20260324.pdf