Mountains & Hiking · Nagano
Abirarosan Black Bear Incidents
Bear incident and sighting reports for Abirarosan, compiled from official government sources, news outlets, and community submissions. View the interactive incident map and safety information before hiking or outdoor activities.
Abirarosan’s latest black bear report came on January 10, 2026, when Takamori Ushimaki recorded 1 black bear of unknown size. That follows several late autumn and winter sightings in nearby places such as Ookuwa, Nakagawa 片桐, and Iida, showing that bears have kept showing up even after the main fall surge.
The heaviest activity has clustered around October 2025, with 17 reports, after September 2025 brought 10 more and July 2025 added 12. Iida and Takamori have been especially active areas, and Abirarosan has logged 96 black bear sightings overall, so this is a place where bear presence has stayed steady across multiple seasons.
Abirarosan Bear Incident Map
No incidents in this time range
No incidents in this time range
Nearby Areas
Comments (1)
10月に集中してるな、1ヶ月で6件も報告されてるのか。
Hiking in bear country
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Frequently Asked Questions About Bears in Abirarosan
How many bear incidents have been recorded in Abirarosan?
Abirarosan has 96 recorded bear incidents in total, but no activity has been reported in the last 30 days. Bear activity varies seasonally, so always check the latest status before hiking or spending time outdoors.
When and where was the latest bear incident in Abirarosan?
The most recent bear sighting in Abirarosan was on January 10, 2026 in Takamori Ushimaki, Nagano, where 1 Black Bear was reported. Detailed location and surrounding incidents are available on the incident map.
Where have bears appeared recently in Abirarosan?
Recent bear sightings in Abirarosan have been concentrated in Ookuwa (36), Matsukawa Ojima (12), Iida (6). These areas have had multiple reports within the last 30 days.
Is bear activity increasing in Abirarosan?
No recent activity to assess.
What type of bears are in Abirarosan?
Abirarosan is home to Asian black bears, which weigh up to 120kg and inhabit the mountains of Honshu and Shikoku. They are generally shy but can be dangerous when surprised or protecting cubs. Carry bear bells while hiking.