On May 4th, 2023, a 23-year-old male mountaineer in a party of 3 was struck by rockfall at Mt. Kitahotaka while climbing, resulting in minor injuries.

On May 3rd, 2023, a 24-year-old male solo mountaineer experienced an equipment or preparation issue and was unable to continue at Mt. Chogatake while descending, requiring rescue. Technical skill limitation was noted. The patient status included leg injury.

On May 3rd, 2023, a 22-year-old male hiker in a party of 2 lost the route and became unable to continue at Mt. Senjo while descending, requiring rescue. The public incident-level record represents 2 recorded subjects (Male; Male; ages 22; 22).

On May 3rd, 2023, a 54-year-old female solo hiker suffered a fall from height at Mt. Yake while descending, resulting in minor injuries.

On May 2nd, 2023, a 47-year-old male solo mountaineer experienced an equipment or preparation issue and was unable to continue at Mt. Yari while climbing, requiring rescue. The report notes crampon or traction equipment issue.

On May 2nd, 2023, a 52-year-old male mountaineer suffered a fall from height at Mt. Maehotaka while climbing, resulting in fatal injuries.

On May 2nd, 2023, a 70-year-old female rock climber in a party of 3 suffered a fall from height at Saku , resulting in minor injuries. The report identifies this as a fall from cliff or rock terrain.

On May 2nd, 2023, a 54-year-old male solo subject suffered a fall from height at Mt. Maehotaka, resulting in fatal injuries.

On May 1st, 2023, a 81-year-old male solo mountaineer experienced an equipment or preparation issue and was unable to continue at Mt. Kitahotaka while climbing, requiring rescue. Technical skill limitation was noted. The patient status included leg injury.

On April 30th, 2023, a 63-year-old male solo mountaineer suffered a medical event at Mt. Chogatake while climbing, resulting in fatal injuries. The patient status included cardiac arrest.

On April 30th, 2023, a 68-year-old male hiker in a party of 2 slipped and fell at Mt. Kinpu while descending, resulting in a minor leg injury.

On April 29th, 2023, a 26-year-old male mountaineer in a party of 4 slipped and fell at Shirakoma Pond, resulting in minor injuries.

On April 28th, 2023, a 44-year-old male camper in a party of two suffered a medical event while staying in a tent at Karasawa and died.

On April 28th, 2023, a 26-year-old male hiker in a party of 4 experienced an equipment or preparation issue and was unable to continue at Nokkoshi Jodo while descending, requiring rescue. The report notes insufficient equipment. The patient status included leg injury. The public incident-level record represents 4 recorded subjects (Male; Male; Male; Male; ages 26; 25; 25; 51).

On April 28th, 2023, a 64-year-old female hiker in a party of 3 tripped or lost balance and fell at Mt. Nyukasa while descending, resulting in minor injuries.

On April 27th, 2023, a 40-year-old male mountaineer in a party of 2 suffered a fall from height at Mt. Kobushi while climbing, resulting in minor cardiac arrest.

On April 23rd, 2023, a 62-year-old male hiker in a party of 4 lost the route and became unable to continue at Mt. Kurohime while descending. The navigation problem involved separated from party. The party became separated.

On April 9th, 2023, a 46-year-old male solo mountaineer lost the route and became unable to continue at Mt. Jonen while descending, requiring rescue.

On April 8th, 2023, a 64-year-old male hiker in a party of 2 suffered a fall from height at Senjojiki Cirque while ascending, resulting in minor injuries.

On April 8th, 2023, a 61-year-old male hiker in a party of 5 suffered a fall from height at Senjojiki Cirque while ascending, resulting in minor injuries.

On April 8th, 2023, a 62-year-old male hiker in a party of 2 suffered a fall from height at Senjojiki Cirque while descending, resulting in minor injuries.

On April 8th, 2023, a 51-year-old male solo hiker suffered a fall from height at Senjojiki Cirque, resulting in minor injuries.

On April 7th, 2023, a 42-year-old male solo hiker did not return from mountain activity at Mt. Ontake, resulting in a missing-person response.

On March 30th, 2023, a 16-year-old female hiker in a party of 30 suffered a medical event at Mt. Tengu, resulting in a medical emergency. The fall occurred inside a mountain hut.

On March 29th, 2023, a 53-year-old female mountaineer in a party of 3 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. The public incident-level record represents 2 recorded subjects (Female; Male; ages 53; 53).

On March 20th, 2023, a 57-year-old male solo hiker slipped and fell at Mt. Akadake, resulting in a minor leg injury. The fall occurred inside a mountain hut.

On March 20th, 2023, a 47-year-old male solo backcountry skier suffered a fall from height at Happo Ridge, resulting in minor injuries. The report identifies this as a fall from ridge or exposed route.

On March 17th, 2023, a 61-year-old male solo mountaineer lost the route and became unable to continue at Mt. Akadake while descending, requiring rescue.

On March 9th, 2023, a 38-year-old male solo mountaineer suffered a fall from height at Mt. Akadake, resulting in minor injuries. The report identifies this as a fall from ridge or exposed route. The patient status included leg injury.

On March 9th, 2023, a 55-year-old male backcountry skier in a party of 7 had a ski accident at Happo Ridge, resulting in minor injuries.

On March 8th, 2023, a 46-year-old female hiker in a party of 8 suffered a fall from height at Mt. Akadake, resulting in minor injuries.

On March 5th, 2023, a 32-year-old male sidecountry skier in a party of 2 had a ski accident and collided with a tree at Mt. Madarao, resulting in minor injuries.

On March 4th, 2023, a 70-year-old male solo mountaineer suffered a fall from height at Mt. Akadake while descending, resulting in fatal injuries. The report identifies this as a fall from ridge or exposed route.

On March 3rd, 2023, a 43-year-old female mountaineer in a party of two broke through a snow cornice while climbing from the Shinhotaka Ropeway toward Mt. Nishihotaka, causing a fall from height and requiring rescue.

On February 28th, 2023, a 35-year-old male solo hiker experienced an incident at Mt. Roppyaku while descending, requiring rescue. Daylight faded before the incident was resolved.

On February 26th, 2023, a 44-year-old female solo mountaineer suffered a fall from height at Mt. Amida while climbing, resulting in a minor leg injury.

On February 26th, 2023, a 29-year-old male mountaineer in a party of 3 suffered a fall from height at Mt. Kisokomagatake while descending, resulting in a minor leg injury.

On February 24th, 2023, a 59-year-old male ice climber in a party of 2 suffered a fall from height at Mt. Amida, resulting in a minor leg injury.

On February 24th, 2023, a 49-year-old male mountaineer in a party of 2 suffered a fall from height at Happo Ridge while descending, resulting in minor injuries. The report identifies this as a fall from ridge or exposed route. The patient status included ankle injury.

On February 24th, 2023, a 52-year-old female solo hiker lost the route and became unable to continue at Mt. Tengu while descending, requiring rescue. The navigation problem involved lost in poor visibility.

On February 20th, 2023, a 40-year-old male solo backcountry skier lost the route and became unable to continue at Mt. Kenashi, requiring rescue.

On February 20th, 2023, a 68-year-old male backcountry skier in a party of 2 lost the route and became unable to continue at Mt. Iwasuge, requiring rescue. The navigation problem involved separated from party. The party became separated.

On February 19th, 2023, a 48-year-old male mountaineer in a party of 5 was caught in an avalanche at Kamikochi while descending, resulting in burial and rescue.

On February 18th, 2023, a 55-year-old female backcountry skier in a party of 5 had a ski accident at Mt. Norikura, resulting in minor injuries.

On February 11th, 2023, a 50-year-old male backcountry skier in a party of 6 had a ski accident and fell into terrain at Otari , resulting in minor injuries.

On February 6th, 2023, a 47-year-old male solo sidecountry skier left the ski resort area and was unable to return due to navigation or terrain at Mt. Yokote, requiring rescue.

On February 5th, 2023, a 39-year-old male hiker in a party of 2 suffered a fall from height at Mt. Nyukasa while descending, resulting in a minor leg injury.

On February 5th, 2023, a 32-year-old male solo mountaineer suffered a fall from height at Mt. Goryu, resulting in minor injuries. The report identifies this as a fall from ridge or exposed route.

On February 4th, 2023, a 34-year-old male mountaineer in a party of 4 suffered a medical event at Mt. Jonen while climbing, resulting in a medical emergency.

On February 3rd, 2023, a 74-year-old male solo mountaineer became fatigued and was unable to continue at Mt. Jonen while climbing, requiring rescue.