On January 29th, 2025, multiple backcountry skiers aged 68, 67, and 76 in a party of 3 experienced an equipment or preparation issue and were unable to continue at Otari , requiring rescue. The report notes ski binding failure.

On January 27th, 2025, a 40-year-old male sidecountry skier in a party of 2 had a ski accident at Mt. Kenashi, resulting in minor injuries.

On January 26th, 2025, a 45-year-old male backcountry skier in a party of 10 had a ski accident and collided with a tree at Otari , resulting in minor injuries.

On January 26th, 2025, a 39-year-old male backcountry skier in a party of 2 had a ski accident at Mt. Norikura, resulting in minor injuries.

On January 26th, 2025, a 50-year-old male hiker in a party of 2 tripped or lost balance and fell at Senjojiki Cirque while descending, resulting in minor injuries.

On January 6th, 2025, multiple backcountry skiers aged 27 and 26 in a party of 3 lost their route and became unable to continue at Otari .

On January 5th, 2025, a 39-year-old male solo hiker did not return from mountain activity at Northern Nagano, resulting in a missing-person response.

On January 2nd, 2025, a 61-year-old male solo hiker tripped or lost balance and fell at Kitazawa Pass while descending, resulting in minor injuries.

On January 2nd, 2025, a 50-year-old female hiker in a party of 2 tripped or lost balance and fell at Mt. Meshimori while descending, resulting in minor injuries.

On December 31st, 2024, a group of three Tokyo university students camping on the East Ridge of Mt. Jiigatake became unable to continue after strong wind damaged their tent. A police helicopter found and rescued all three the following day.

On December 30th, 2024, a 50-year-old male backcountry skier in a party of 2 suffered a fall from height at Mt. Kenashi, resulting in fatal injuries.

On December 30th, 2024, a 26-year-old male solo hiker lost the route and became unable to continue at Mt. Togakushi while descending, requiring rescue.

On December 28th, 2024, a 30-year-old male solo hiker lost the route and became unable to continue at Mt. Togakushi while descending, requiring rescue.

On December 22nd, 2024, a 54-year-old male ice climber in a party of 2 suffered a fall from height at Shoyudare Falls, resulting in minor injuries.

On December 20th, 2024, a 42-year-old male solo backcountry skier experienced an equipment or preparation issue and was unable to continue at Mt. Naka-Tomi, requiring rescue.

On December 31st, 2024, the subject lost the route while hiking near the Togakushi shrine trail and became unable to continue, requesting rescue.

On December 14th, 2024, a 52-year-old male solo hiker tripped or lost balance and fell at Nyuu while ascending, resulting in minor injuries.

On December 13th, 2024, a 53-year-old male hiker in a party of 3 suffered a fall from height at Mt. Kokuzo while descending, resulting in fatal injuries.

On November 21st, 2024, a 76-year-old female hiker in a party of 7 tripped or lost balance and fell at Yokoo while descending, resulting in minor injuries.

On November 14th, 2024, a 22-year-old male hiker in a party of 2 became fatigued and was unable to continue at Byobu Col while descending, requiring rescue.

On November 14th, 2024, a 81-year-old female forager in a party of 2 suffered a fall from height at Chiyo Forest Area while foraging, resulting in fatal injuries.

On November 7th, 2024, a 82-year-old male solo hiker lost the route and became unable to continue at Mt. Ikeguchi while descending, requiring rescue.

On November 4th, 2024, a 30-year-old male solo hiker experienced an equipment or preparation issue and was unable to continue at Mt. Yake while descending, requiring rescue. Technical skill limitation was noted. The patient status included leg injury.

On November 3rd, 2024, a 32-year-old male hiker in a party of 2 did not return from mountain activity at Mt. Amakazari, requiring search and rescue.

On October 31st, 2024, a 66-year-old male solo hiker tripped or lost balance and fell at Mt. Kita-Yokodake while descending, resulting in minor injuries.

On October 31st, 2024, a 81-year-old male solo forager lost the route and became unable to continue at Kosaka Forest Area while foraging, requiring rescue.

On October 27th, 2024, a 27-year-old female hiker in a party of 2 tripped or lost balance and fell at Mt. Tsubakuro while descending, resulting in minor injuries.

On October 27th, 2024, a 32-year-old male hiker in a party of 2 did not return from mountain activity at Mt. Amakazari, resulting in a missing-person response.

On October 26th, 2024, a 52-year-old male subject suffered a fall from height at Hon-zawa Onsen, resulting in minor injuries. The fall occurred inside a mountain hut.

On October 25th, 2024, a 84-year-old male forager in a party of 2 suffered a fall from height at Ueda while foraging, resulting in fatal injuries.

On October 24th, 2024, a 71-year-old male forager in a party of 2 suffered a fall from height at Daimon Forest Area while foraging, resulting in minor injuries.

On October 21st, 2024, a 80-year-old male solo forager did not return from mountain activity at Tokiwa Forest Area, resulting in a missing-person response.

On October 21st, 2024, a 85-year-old male solo forager experienced an incident at Yokokawa Forest Area while foraging, requiring rescue. Daylight faded before the incident was resolved.

On October 21st, 2024, a 48-year-old female solo mountaineer lost the route and became unable to continue at Mt. Jonen, requiring rescue.

On October 20th, 2024, a 62-year-old female subject lost the route and became unable to continue at Yachiho Kogen Kengamine, requiring rescue.

On October 20th, 2024, a 72-year-old male hiker in a party of 2 tripped or lost balance and fell at Mt. Chausu while descending, resulting in minor injuries.

On October 20th, 2024, a 65-year-old male mountaineer in a party of 2 suffered a fall from height at Yachiho Kogen Kengamine while descending, resulting in fatal injuries.

On October 19th, 2024, a 62-year-old male solo hiker became fatigued and was unable to continue at Mt. Chogatake while descending, requiring rescue.

On October 18th, 2024, a 73-year-old male subject in a party of 2 suffered a medical event at Mt. Tengu, resulting in a medical emergency. The fall occurred inside a mountain hut.

On October 18th, 2024, a 65-year-old female hiker in a party of 2 lost the route and became unable to continue at Mt. Moriya while descending, requiring rescue.

On October 17th, 2024, a 73-year-old male solo forager suffered a fall from height at Tomida Forest Area while foraging, resulting in fatal injuries.

On October 17th, 2024, a 78-year-old female hiker in a party of 2 became fatigued and was unable to continue at Mt. Hinokio while descending, requiring rescue.

On October 17th, 2024, a 59-year-old male solo hiker became fatigued and was unable to continue at Mt. Aino while ascending, requiring rescue.

On October 15th, 2024, a 72-year-old male solo forager suffered a fall from height at Matsumoto while foraging.

On October 15th, 2024, a 70-year-old female hiker in a party of 2 tripped or lost balance and fell at Mt. Korenge while descending.

On October 15th, 2024, a 57-year-old male solo camper suffered a medical event at Karasawa while camping, resulting in fatal injuries.

On October 14th, 2024, a 57-year-old female hiker in a party of 2 slipped and fell at Mt. Karamatsu while descending, resulting in minor injuries.

On October 13th, 2024, a 9-year-old female subject in a party of 3 suffered a medical event at Mt. Iodake, resulting in a medical emergency. The fall occurred inside a mountain hut.

On October 13th, 2024, a 81-year-old male solo hiker lost the route and became unable to continue at Mt. Shirouma while descending, requiring rescue.

On October 12th, 2024, a 82-year-old male solo forager lost the route and became unable to continue at Kiso while foraging, resulting in a missing-person response.