
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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24 Nov 2025
Autumn
Climber Trip Mt. Iodake
Yatsugatake
Yatsugatake Range
Age
74
Female
GROUP
8 people
ACTIVITY
Mountaineering
INCIDENT
Trip
STATUS
Minor Injury
OUTCOME
Rescued
On November 24th, 2025, a 74-year-old female mountaineer in a party of 8 tripped or lost balance and fell at Mt. Iodake while descending, resulting in minor injuries.
8人パーティで硫黄岳から桜平登山口へ下山中、転倒、負傷
Source: Nagano Police Sangaku Info
Source File:
n422_20251126.pdf
24 Nov 2025
Autumn
Hiker Trip Mt. Tengu
Yatsugatake
Yatsugatake Range
Age
56
Female
GROUP
2 people
ACTIVITY
Hiking
INCIDENT
Trip
STATUS
Minor Injury
OUTCOME
Rescued
On November 24th, 2025, a 56-year-old female hiker in a party of 2 tripped or lost balance and fell at Mt. Tengu while descending, resulting in minor injuries.
2人パーティで唐沢鉱泉登山口へ下山中、転倒、負傷
Source: Nagano Police Sangaku Info
Source File:
n422_20251126.pdf
16 Nov 2025
Autumn
Hiker injured in fall at Kyogakura
Ikusaka
Eastern Nagano
Age
57
Male
GROUP
2 people
ACTIVITY
Hiking
INCIDENT
Fall from Height
STATUS
Minor Injury
OUTCOME
Rescued
On November 16th, 2025, a 57-year-old male hiker in a party of 2 suffered a fall from height at Kyogakura while descending, resulting in minor injuries.
2人パーティで京ヶ倉山頂から下山中、バランスを崩し、滑落、負傷
Source: Nagano Police Sangaku Info
Source File:
n421_20251119.pdf
6 Nov 2025
Autumn
Climber Lost Mt. Amida
Yatsugatake
Yatsugatake Range
Age
24
Male
GROUP
Solo
ACTIVITY
Mountaineering
INCIDENT
Lost
STATUS
Unable to Continue
OUTCOME
Rescued
On November 6th, 2025, a 24-year-old male solo mountaineer lost the route and became unable to continue at Mt. Amida while climbing, requiring rescue.
単独で阿弥陀岳南稜を登山中、積雪により、道に迷い、行動不能に
Source: Nagano Police Sangaku Info
Source File:
n420_20251112.pdf
2 Nov 2025
Autumn
Hiker Medical Event Mt. Shimagare
Yatsugatake
Yatsugatake Range
Age
71
Male
GROUP
4 people
ACTIVITY
Hiking
INCIDENT
Medical Event
STATUS
Fatal Injuries
OUTCOME
Fatality
On November 2nd, 2025, a 71-year-old male hiker in a party of 4 suffered a medical event at Mt. Shimagare while descending, resulting in fatal injuries.
4人パーティで縞枯山から下山中、発病
Source: Nagano Police Sangaku Info
Source File:
n419_20251105.pdf
24 Oct 2025
Autumn
Hiker Medical Event Mt. Tengu
Yatsugatake
Yatsugatake Range
Age
74
Male
GROUP
4 people
ACTIVITY
Hiking
INCIDENT
Medical Event
STATUS
Fatal Injuries
OUTCOME
Fatality
On October 24th, 2025, a 74-year-old male hiker in a party of 4 suffered a medical event at Mt. Tengu while ascending, resulting in fatal injuries.
4人パーティで黒百合から天狗岳に向けて登山中、発病
Source: Nagano Police Sangaku Info
Source File:
n418_20251029.pdf
24 Oct 2025
Autumn
Hiker Trip Mt. Karamatsu
Hakuba
Northern Alps
Age
32
Male
GROUP
2 people
ACTIVITY
Hiking
INCIDENT
Trip
STATUS
Minor Injury
OUTCOME
Rescued
On October 24th, 2025, a 32-year-old male hiker in a party of 2 tripped or lost balance and fell at Mt. Karamatsu while descending, resulting in minor injuries.
2人パーティで唐松岳から八方尾根を下山中、転倒、負傷
Source: Nagano Police Sangaku Info
Source File:
n418_20251029.pdf
23 Oct 2025
Autumn
Forager Medical Event Ina
Ina
Southern Alps
Age
90
Male
GROUP
2 people
ACTIVITY
Foraging
INCIDENT
Medical Event
STATUS
Fatal Injuries
OUTCOME
Fatality
On October 23rd, 2025, a 90-year-old male forager in a party of 2 suffered a medical event at Ina while foraging, resulting in fatal injuries.
2人パーティできのこ採りに入山し、発病
Source: Nagano Police Sangaku Info
Source File:
n418_20251029.pdf
18 Oct 2025
Autumn
Hiker Trip Mt. Nakayama
Yatsugatake
Yatsugatake Range
Age
69
Female
GROUP
2 people
ACTIVITY
Hiking
INCIDENT
Trip
STATUS
Minor Injury
OUTCOME
Rescued
On October 18th, 2025, a 69-year-old female hiker in a party of 2 tripped or lost balance and fell at Mt. Nakayama while ascending, resulting in minor injuries.
2人パーティで白駒池から中山に向けて登山中、石につまずいて、転倒、負傷
Source: Nagano Police Sangaku Info
Source File:
n417_20251022.pdf
17 Oct 2025
Autumn
Hiker Trip Kirigamine
Suwa
Central Nagano
Age
63
Female
GROUP
3 people
ACTIVITY
Hiking
INCIDENT
Trip
STATUS
Minor Injury
OUTCOME
Rescued
On October 17th, 2025, a 63-year-old female hiker in a party of 3 tripped or lost balance and fell at Kirigamine while ascending, resulting in minor injuries.
3人パーティで蝶々深山に向けて登山中、石につまずいて、転倒、負傷
Source: Nagano Police Sangaku Info
Source File:
n417_20251022.pdf
17 Oct 2025
Autumn
Hiker injured in fall at Mt. Ogami
Aoki
Eastern Nagano
Age
73
Male
GROUP
Solo
ACTIVITY
Hiking
INCIDENT
Fall from Height
STATUS
Unable to Continue
OUTCOME
Rescued
On October 17th, 2025, a 73-year-old male solo hiker suffered a fall from height at Mt. Ogami while descending, requiring rescue.
単独で夫神岳から下山中、滑落し、疲労により登山道に戻れず、行動不能
Source: Nagano Police Sangaku Info
Source File:
n417_20251022.pdf
17 Oct 2025
Autumn
Forager dies after fall at Okawara Forest Area
Oshika
Southern Alps
Age
83
Male
GROUP
Solo
ACTIVITY
Foraging
INCIDENT
Fall from Height
STATUS
Fatal Injuries
OUTCOME
Fatality
On October 17th, 2025, a 83-year-old male solo forager suffered a fall from height at Okawara Forest Area while foraging, resulting in fatal injuries.
単独できのこ採りに入山し、滑落
Source: Nagano Police Sangaku Info
Source File:
n417_20251022.pdf
16 Oct 2025
Autumn
Camping group rescued after weather damages tent at Mt. Chogatake
Kamikochi
Northern Alps
Age
81
Male
GROUP
Solo
ACTIVITY
Hiking
INCIDENT
Weather
STATUS
Unable to Continue
OUTCOME
Rescued
On October 16th, 2025, a 81-year-old male solo hiker was overcome by weather conditions and became unable to continue at Mt. Chogatake while ascending, requiring rescue.
単独で三股登山口から蝶ヶ岳に向けて登山中、悪天候により、行動不能
Source: Nagano Police Sangaku Info
Source File:
n417_20251022.pdf
15 Oct 2025
Autumn
Forager dies after fall at Yasuoka Forest Area
Yasuoka
Southern Nagano
Age
86
Male
GROUP
3 people
ACTIVITY
Foraging
INCIDENT
Fall from Height
STATUS
Fatal Injuries
OUTCOME
Fatality
On October 15th, 2025, a 86-year-old male forager in a party of 3 suffered a fall from height at Yasuoka Forest Area while foraging, resulting in fatal injuries.
3人パーティできのこ採りに入山し、別々に行動中、滑落
Source: Nagano Police Sangaku Info
Source File:
n417_20251022.pdf
14 Oct 2025
Autumn
Forager dies after fall at Yasaka Forest Area
Omachi
Northern Alps
Age
76
Male
GROUP
Solo
ACTIVITY
Foraging
INCIDENT
Fall from Height
STATUS
Fatal Injuries
OUTCOME
Fatality
On October 14th, 2025, a 76-year-old male solo forager suffered a fall from height at Yasaka Forest Area while foraging, resulting in fatal injuries.
単独できのこ採りに入山し、滑落
Source: Nagano Police Sangaku Info
Source File:
n417_20251022.pdf
12 Oct 2025
Autumn
Forager dies after fall at Matsumoto
Matsumoto
Northern Alps
Age
85
Male
GROUP
3 people
ACTIVITY
Foraging
INCIDENT
Fall from Height
STATUS
Fatal Injuries
OUTCOME
Fatality
On October 12th, 2025, a 85-year-old male forager in a party of 3 suffered a fall from height at Matsumoto while foraging, resulting in fatal injuries.
3人パーティできのこ採りに入山し、滑落
Source: Nagano Police Sangaku Info
Source File:
n416_20251015.pdf
12 Oct 2025
Autumn
Climber Lost Mt. Shirouma
Hakuba
Northern Alps
Age
19
Male
GROUP
2 people
ACTIVITY
Mountaineering
INCIDENT
Lost
STATUS
Unable to Continue
OUTCOME
Rescued
On October 12th, 2025, a 19-year-old male mountaineer in a party of 2 lost the route and became unable to continue at Mt. Shirouma while climbing, requiring rescue.
2人パーティで猿倉登山口から白馬岳に向けて大雪渓を登山中、道に迷い、行動不能に
Source: Nagano Police Sangaku Info
Source File:
n416_20251015.pdf
12 Oct 2025
Autumn
Mountaineer injured in fall at Mt. Maehotaka
Kamikochi
Northern Alps
Age
64
Female
GROUP
2 people
ACTIVITY
Mountaineering
INCIDENT
Fall from Height
STATUS
Minor Injury
OUTCOME
Rescued
On October 12th, 2025, a 64-year-old female mountaineer in a party of 2 suffered a fall from height at Mt. Maehotaka while descending, resulting in minor injuries.
2人パーティで前穂高岳から岳沢に向けて下山中、滑落、負傷
Source: Nagano Police Sangaku Info
Source File:
n416_20251015.pdf
11 Oct 2025
Autumn
Camping group rescued after weather damages tent at Mt. Chogatake
Kamikochi
Northern Alps
Age
62
Male
GROUP
Solo
ACTIVITY
Mountaineering
INCIDENT
Weather
STATUS
Unable to Continue
OUTCOME
Rescued
On October 11th, 2025, a 62-year-old male solo mountaineer was overcome by weather conditions and became unable to continue at Mt. Chogatake, requiring rescue.
単独で常念岳から蝶ヶ岳に向けて縦走中、悪天候により、行動不能に
Source: Nagano Police Sangaku Info
Source File:
n416_20251015.pdf
11 Oct 2025
Autumn
Hiker Fatigue Mt. Tsubakuro
Azumino
Northern Alps
Age
84
Male
GROUP
3 people
ACTIVITY
Hiking
INCIDENT
Fatigue
STATUS
Unable to Continue
OUTCOME
Rescued
On October 11th, 2025, a 84-year-old male hiker in a party of 3 became fatigued and was unable to continue at Mt. Tsubakuro while descending, requiring rescue.
3人パーティで燕岳から中房登山口に向けて下山中、疲労により、行動不能に
Source: Nagano Police Sangaku Info
Source File:
n416_20251015.pdf
10 Oct 2025
Autumn
Hiker injured in fall at Mt. Nishi
Northern Alps / Yatsugatake
Yatsugatake Range
Age
61
Female
GROUP
2 people
ACTIVITY
Hiking
INCIDENT
Fall from Height
STATUS
Minor Injury
OUTCOME
Rescued
On October 10th, 2025, a 61-year-old female hiker in a party of 2 suffered a fall from height at Mt. Nishi while ascending, resulting in minor injuries.
2人パーティで鏡池登山口から西岳に向けて登山中、バランスを崩して、滑落、負傷
Source: Nagano Police Sangaku Info
Source File:
n416_20251015.pdf
10 Oct 2025
Autumn
Subject Equipment Failure Mt. Nishi
Northern Alps / Yatsugatake
Yatsugatake Range
Age
66
Male
GROUP
Unknown
ACTIVITY
Backcountry Ski
INCIDENT
Equipment Failure
STATUS
Unable to Continue
OUTCOME
Rescued
On October 10th, 2025, a 66-year-old male subject experienced an equipment or preparation issue and was unable to continue at Mt. Nishi, requiring rescue. Technical skill limitation was noted. The patient status included leg injury.
上記遭難者の同行者、技量不足により、行動不能に
Source: Nagano Police Sangaku Info
Source File:
n416_20251015.pdf
10 Oct 2025
Autumn
Hiker Fatigue Mt. Norikura
Matsumoto
Northern Alps
Age
80
Male
GROUP
2 people
ACTIVITY
Hiking
INCIDENT
Fatigue
STATUS
Unable to Continue
OUTCOME
Rescued
On October 10th, 2025, a 80-year-old male hiker in a party of 2 became fatigued and was unable to continue at Mt. Norikura while descending, requiring rescue.
2人パーティで白馬大池からの下山中、疲労により、行動不能に
Source: Nagano Police Sangaku Info
Source File:
n416_20251015.pdf
9 Oct 2025
Autumn
Hiker Fatigue Senjojiki Cirque
Komagane
Central Alps
Age
69
Male
GROUP
2 people
ACTIVITY
Hiking
INCIDENT
Fatigue
STATUS
Unable to Continue
OUTCOME
Rescued
On October 9th, 2025, a 69-year-old male hiker in a party of 2 became fatigued and was unable to continue at Senjojiki Cirque while descending, requiring rescue.
2人パーティで千畳敷を下山中、疲労により、行動不能に
Source: Nagano Police Sangaku Info
Source File:
n416_20251015.pdf
6 Oct 2025
Autumn
Forager injured in fall at Matsumoto
Matsumoto
Northern Alps
Age
82
Male
GROUP
Solo
ACTIVITY
Foraging
INCIDENT
Fall from Height
STATUS
Minor Injury
OUTCOME
Rescued
On October 6th, 2025, a 82-year-old male solo forager suffered a fall from height at Matsumoto while foraging, resulting in minor injuries.
単独できのこ採りに入山し、滑落、負傷
Source: Nagano Police Sangaku Info
Source File:
n416_20251015.pdf
6 Oct 2025
Autumn
Hiker Trip Yokoo Valley
Kamikochi
Northern Alps
Age
80
Female
GROUP
2 people
ACTIVITY
Hiking
INCIDENT
Trip
STATUS
Minor Injury
OUTCOME
Rescued
On October 6th, 2025, a 80-year-old female hiker in a party of 2 tripped or lost balance and fell at Yokoo Valley while descending, resulting in minor injuries.
2人パーティで涸沢から横尾に向けて下山中、転倒、負傷
Source: Nagano Police Sangaku Info
Source File:
n416_20251015.pdf
6 Oct 2025
Autumn
Hiker Trip Mt. Norikura
Matsumoto
Northern Alps
Age
59
Male
GROUP
Solo
ACTIVITY
Hiking
INCIDENT
Trip
STATUS
Minor Injury
OUTCOME
Rescued
On October 6th, 2025, a 59-year-old male solo hiker tripped or lost balance and fell at Mt. Norikura while descending, resulting in minor injuries.
単独で剣ヶ峰から畳平に向けて下山中、転倒、負傷
Source: Nagano Police Sangaku Info
Source File:
n416_20251015.pdf
5 Oct 2025
Autumn
Hiker Fatigue Mt. Okuhotaka
Kamikochi
Northern Alps
Age
66
Male
GROUP
Solo
ACTIVITY
Hiking
INCIDENT
Fatigue
STATUS
Unable to Continue
OUTCOME
Rescued
On October 5th, 2025, a 66-year-old male solo hiker became fatigued and was unable to continue at Mt. Okuhotaka while ascending, requiring rescue.
単独で岳沢から奥穂高岳に向けて登山中、疲労により、行動不能に
Source: Nagano Police Sangaku Info
Source File:
n415_20251008.pdf
5 Oct 2025
Autumn
Hiker Not Returned Yaegochi Castle Site
Iida / Minami-Shinano
Southern Nagano
Age
63
Male
GROUP
Solo
ACTIVITY
Hiking
INCIDENT
Not Returned
STATUS
Fatal Injuries
OUTCOME
Fatality
On October 5th, 2025, a 63-year-old male solo hiker entered the Yaegochi Castle ruins area and was reported missing. His body was discovered on November 17th and confirmed as the missing person.
10/5に単独で八重河内城址に入山、行方不明(11/17発見、行方不明者と確認)
Source: Nagano Police Sangaku Info
Source File:
n423_20251203.pdf
5 Oct 2025
Autumn
Forager Lost Matsumoto
Matsumoto
Northern Alps
Age
78
Male
GROUP
Solo
ACTIVITY
Foraging
INCIDENT
Lost
STATUS
Unable to Continue
OUTCOME
Rescued
On October 5th, 2025, a 78-year-old male solo forager lost the route and became unable to continue at Matsumoto while foraging, requiring rescue.
単独できのこ採り中、道に迷い、行動不能に
Source: Nagano Police Sangaku Info
Source File:
n415_20251008.pdf
4 Oct 2025
Autumn
Forager dies after fall at Ueda
Ueda
Eastern Nagano
Age
78
Male
GROUP
Solo
ACTIVITY
Foraging
INCIDENT
Fall from Height
STATUS
Fatal Injuries
OUTCOME
Fatality
On October 4th, 2025, a 78-year-old male solo forager suffered a fall from height at Ueda while foraging, resulting in fatal injuries.
単独できのこ採り中、滑落
Source: Nagano Police Sangaku Info
Source File:
n415_20251008.pdf
4 Oct 2025
Autumn
Mountaineer injured in fall at Karasawa
Kamikochi
Northern Alps
Age
54
Female
GROUP
2 people
ACTIVITY
Mountaineering
INCIDENT
Fall from Height
STATUS
Minor Injury
OUTCOME
Rescued
On October 4th, 2025, a 54-year-old female mountaineer in a party of 2 fell from height into a gully or valley at Karasawa while descending, resulting in minor injuries.
2人パーティで涸沢から上高地に向けてパノラマコースを下山中、滑落、負傷
Source: Nagano Police Sangaku Info
Source File:
n415_20251008.pdf
3 Oct 2025
Autumn
Forager injured in fall at Soga Forest Area
Shiojiri
Kiso Valley
Age
73
Male
GROUP
2 people
ACTIVITY
Foraging
INCIDENT
Fall from Height
STATUS
Minor Injury
OUTCOME
Rescued
On October 3rd, 2025, a 73-year-old male forager in a party of 2 suffered a fall from height at Soga Forest Area while foraging, resulting in a minor leg injury.
2人パーティできのこ採り中、斜面で足を滑らせ、滑落、負傷
Source: Nagano Police Sangaku Info
Source File:
n415_20251008.pdf
2 Oct 2025
Autumn
Forager Wildlife Encounter Kashio Forest Area
Oshika
Southern Alps
Age
78
Male
GROUP
Solo
ACTIVITY
Foraging
INCIDENT
Wildlife Encounter
STATUS
Fatal Injuries
OUTCOME
Fatality
On October 2nd, 2025, a 78-year-old male solo forager was involved in a wildlife encounter at Kashio Forest Area while foraging, resulting in fatal injuries.
単独できのこ採り中、熊の襲撃を受けたもの
Source: Nagano Police Sangaku Info
Source File:
n415_20251008.pdf
2 Oct 2025
Autumn
Forager injured in fall at Kumashiro Forest Area
Toyooka
Southern Nagano
Age
81
Female
GROUP
2 people
ACTIVITY
Foraging
INCIDENT
Fall from Height
STATUS
Minor Injury
OUTCOME
Rescued
On October 2nd, 2025, a 81-year-old female forager in a party of 2 suffered a fall from height at Kumashiro Forest Area while foraging, resulting in a minor leg injury.
2人パーティできのこ採り中、斜面で足を滑らせ、滑落、 負傷
Source: Nagano Police Sangaku Info
Source File:
n415_20251008.pdf
2 Oct 2025
Autumn
Hiker Medical Event Karasawa
Kamikochi
Northern Alps
Age
21
Male
GROUP
3 people
ACTIVITY
Hiking
INCIDENT
Medical Event
STATUS
Medical Emergency
OUTCOME
Rescued
On October 2nd, 2025, a 21-year-old male hiker in a party of 3 suffered a medical event at Karasawa while descending, resulting in a medical emergency.
3人パーティで奥穂高岳から涸沢に向けて下 山中、発病により、行動不能に
Source: Nagano Police Sangaku Info
Source File:
n415_20251008.pdf
1 Oct 2025
Autumn
Hiker Fatigue Mt. Tsubakuro
Azumino
Northern Alps
Age
72
Female
GROUP
10 people
ACTIVITY
Hiking
INCIDENT
Fatigue
STATUS
Unable to Continue
OUTCOME
Rescued
On October 1st, 2025, a 72-year-old female hiker in a party of 10 became fatigued and was unable to continue at Mt. Tsubakuro while ascending, requiring rescue.
10人パーティ で中房登山口から燕岳に向けて登山中、疲労により、行動不能に
Source: Nagano Police Sangaku Info
Source File:
n415_20251008.pdf
30 Sept 2025
Autumn
Hiker Medical Event Mt. Hoken
Komagane
Central Alps
Age
62
Male
GROUP
2 people
ACTIVITY
Hiking
INCIDENT
Medical Event
STATUS
Fatal Injuries
OUTCOME
Fatality
On September 30th, 2025, a 62-year-old male hiker in a party of 2 suffered a medical event at Mt. Hoken while descending, resulting in fatal injuries.
2人パーティで乗越浄土から千畳敷に向けて八丁坂を下山中、発病
Source: Nagano Police Sangaku Info
Source File:
n415_20251008.pdf
30 Sept 2025
Autumn
Hiker Fatigue Mt. Okuhotaka
Kamikochi
Northern Alps
Age
68
Male
GROUP
Solo
ACTIVITY
Hiking
INCIDENT
Fatigue
STATUS
Unable to Continue
OUTCOME
Rescued
On September 30th, 2025, a 68-year-old male solo hiker became fatigued and was unable to continue at Mt. Okuhotaka while ascending, requiring rescue.
単独で岳沢から奥穂高岳に向けて登山中、疲労により、行動不能に
Source: Nagano Police Sangaku Info
Source File:
n415_20251008.pdf
30 Sept 2025
Autumn
Hiker Medical Event Mt. Utsugi
Komagane
Central Alps
Age
64
Male
GROUP
Solo
ACTIVITY
Hiking
INCIDENT
Medical Event
STATUS
Fatal Injuries
OUTCOME
Fatality
On September 30th, 2025, a 64-year-old male solo hiker suffered a medical event at Mt. Utsugi while ascending, resulting in fatal injuries.
単独で空木岳に入山し、登山中に発病
Source: Nagano Police Sangaku Info
Source File:
n415_20251008.pdf
29 Sept 2025
Autumn
Hiker Medical Event Mt. Okuhotaka
Kamikochi
Northern Alps
Age
24
Male
GROUP
3 people
ACTIVITY
Hiking
INCIDENT
Medical Event
STATUS
Medical Emergency
OUTCOME
Rescued
On September 29th, 2025, a 24-year-old male hiker in a party of 3 suffered a medical event at Mt. Okuhotaka while descending, resulting in a medical emergency.
3人パーティで奥穂高岳から涸沢に向けて下山中、発病により、行動不能に
Source: Nagano Police Sangaku Info
Source File:
n415_20251008.pdf
28 Sept 2025
Autumn
Hiker Trip Mt. Iodake
Yatsugatake
Yatsugatake Range
Age
62
Male
GROUP
Solo
ACTIVITY
Hiking
INCIDENT
Trip
STATUS
Minor Injury
OUTCOME
Rescued
On September 28th, 2025, a 62-year-old male solo hiker tripped or lost balance and fell at Mt. Iodake while descending, resulting in minor injuries.
単独で硫黄岳から赤岳鉱泉に向けて下山中、転倒、負傷
Source: Nagano Police Sangaku Info
Source File:
n414_20251001.pdf
28 Sept 2025
Autumn
Mountaineer dies after fall at Mt. Tsubakuro
Azumino
Northern Alps
Age
57
Male
GROUP
2 people
ACTIVITY
Mountaineering
INCIDENT
Fall from Height
STATUS
Fatal Injuries
OUTCOME
Fatality
On September 28th, 2025, a 57-year-old male mountaineer in a party of 2 suffered a fall from height at Mt. Tsubakuro, resulting in fatal injuries.
2人パーティで燕岳に入山し、滑落
Source: Nagano Police Sangaku Info
Source File:
n414_20251001.pdf
27 Sept 2025
Autumn
Hiker Trip Karasawa
Kamikochi
Northern Alps
Age
29
Male
GROUP
3 people
ACTIVITY
Hiking
INCIDENT
Trip
STATUS
Minor Injury
OUTCOME
Rescued
On September 27th, 2025, a 29-year-old male hiker in a party of 3 tripped or lost balance and fell at Karasawa while descending, resulting in minor injuries.
3人パーティで奥穂高岳から涸沢に向けて下山中、転倒、負傷
Source: Nagano Police Sangaku Info
Source File:
n414_20251001.pdf
27 Sept 2025
Autumn
Climber Trip Mt. Jonen
Azumino
Northern Alps
Age
64
Male
GROUP
Solo
ACTIVITY
Mountaineering
INCIDENT
Trip
STATUS
Minor Injury
OUTCOME
Rescued
On September 27th, 2025, a 64-year-old male solo mountaineer tripped or lost balance and fell at Mt. Jonen, resulting in minor injuries.
単独で常念岳から蝶ヶ岳に向けて縦走中、転倒、負傷
Source: Nagano Police Sangaku Info
Source File:
n414_20251001.pdf
27 Sept 2025
Autumn
Hiker injured in fall at Mt. Ontake
Kiso
Kiso Valley
Age
60
Male
GROUP
2 people
ACTIVITY
Hiking
INCIDENT
Fall from Height
STATUS
Minor Injury
OUTCOME
Rescued
On September 27th, 2025, a 60-year-old male hiker in a party of 2 suffered a fall from height at Mt. Ontake while descending, resulting in minor injuries.
2人パーティで御嶽山から黒沢口登山道を下山中、浮き石でバランスを崩し、滑落、負傷
Source: Nagano Police Sangaku Info
Source File:
n414_20251001.pdf
27 Sept 2025
Autumn
Subject Trip Mt. Yari
Kamikochi
Northern Alps
Age
64
Male
GROUP
2 people
ACTIVITY
Mountaineering
INCIDENT
Trip
STATUS
Minor Injury
OUTCOME
Rescued
On September 27th, 2025, a 64-year-old male subject in a party of 2 tripped or lost balance and fell at Mt. Yari, resulting in minor injuries. The fall occurred inside a mountain hut.
2人パーティで槍ヶ岳付近の山小屋内で滞在中、転倒、負傷
Source: Nagano Police Sangaku Info
Source File:
n414_20251001.pdf
26 Sept 2025
Autumn
Hiker Fatigue Mt. Akadake
Yatsugatake
Yatsugatake Range
Age
45
Male
GROUP
2 people
ACTIVITY
Hiking
INCIDENT
Fatigue
STATUS
Unable to Continue
OUTCOME
Rescued
On September 26th, 2025, a 45-year-old male hiker in a party of 2 became fatigued and was unable to continue at Mt. Akadake while descending, requiring rescue.
2人パーティで赤岳から美濃戸登山口に向けて下山中、疲労により、行動不能に
Source: Nagano Police Sangaku Info
Source File:
n414_20251001.pdf
25 Sept 2025
Autumn
Hiker Fatigue Mt. Yari
Kamikochi
Northern Alps
Age
78
Male
GROUP
Solo
ACTIVITY
Hiking
INCIDENT
Fatigue
STATUS
Unable to Continue
OUTCOME
Rescued
On September 25th, 2025, a 78-year-old male solo hiker became fatigued and was unable to continue at Mt. Yari while descending, requiring rescue.
単独で槍沢を横尾に向けて下山中、疲労により、行動不能に
Source: Nagano Police Sangaku Info
Source File:
n414_20251001.pdf
25 Sept 2025
Autumn
Climber Fatigue Mt. Shirouma
Hakuba
Northern Alps
Age
42
Male
GROUP
2 people
ACTIVITY
Mountaineering
INCIDENT
Fatigue
STATUS
Hypothermia
OUTCOME
Rescued
On September 25th, 2025, a 42-year-old male mountaineer in a party of 2 became fatigued and was unable to continue at Mt. Shirouma, resulting in hypothermia. The patient status included cold injury / hypothermia.
2人パーティで白馬岳から蓮華温泉に向けて縦走中、疲労と低体温症により、行動不能に
Source: Nagano Police Sangaku Info
Source File:
n414_20251001.pdf