Mountains & Hiking · Nagano
Mount Iō (Yatsugatake) Black Bear Incidents
Bear incident and sighting reports for Mount Iō (Yatsugatake), compiled from official government sources, news outlets, and community submissions. View the interactive incident map and safety information before hiking or outdoor activities.
Mount Iō (Yatsugatake) has recorded 5 black bear sightings so far, including a mother and cub seen on 2025-09-23 in Chino Toyohira and a single adult in Minamimaki 大字野辺山 on 2025-10-18.
It has been a bit active lately with the most recent reports on 2025-10-22 in Koumi 大字豊里 and earlier in the month also in Koumi, so the action is concentrated around Koumi, Minamimaki 大字野辺山, and Chino Toyohira.
Mount Iō (Yatsugatake) Bear Incident Map
No incidents in this time range
No incidents in this time range
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Frequently Asked Questions About Bears in Mount Iō (Yatsugatake)
How many bear incidents have been recorded in Mount Iō (Yatsugatake)?
Mount Iō (Yatsugatake) has 5 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 Mount Iō (Yatsugatake)?
The most recent bear sighting in Mount Iō (Yatsugatake) was on October 22, 2025 in Koumi 大字豊里, Nagano, where 1 Black Bear was reported. Detailed location and surrounding incidents are available on the incident map.
Where have bears appeared recently in Mount Iō (Yatsugatake)?
Recent bear sightings in Mount Iō (Yatsugatake) have been concentrated in Koumi 大字豊里 (1), Minamimaki 大字野辺山 (1), Chino Toyohira (1). These areas have had multiple reports within the last 30 days.
Is bear activity increasing in Mount Iō (Yatsugatake)?
No recent activity to assess.
What type of bears are in Mount Iō (Yatsugatake)?
Mount Iō (Yatsugatake) 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.