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Agano River Black Bear Incidents
Bear incident and sighting reports for Agano River, compiled from official government sources, news outlets, and community submissions. View the interactive incident map and safety information before hiking or outdoor activities.
Agano River has recently seen a juvenile black bear found beside the road near the car stop at the curve just before Mikonosato at the Yunishigawa terminal tunnel in Nikkō on April 26, 2026, and it was reported within about 5 meters of the road. Earlier in the month, a black bear was also seen running into the riverside brush in Nikkō 上三依 on April 11, 2026, showing that bears are still moving along road edges and brushy river ground here.
The most active areas are around Nikkō and Minamiaizu, with repeated reports from Yunishigawa, 上三依, Itozawa, and Shionohara. Activity has peaked in November 2025 with 16 incidents, matched again in August 2025 with 16, while October 2025 brought 13 and December 2025 dropped to 2. Across this area, there have been 153 black bear sightings overall.
Agano River 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 Agano River
How many bear incidents have been recorded in Agano River?
Agano River has recorded 153 bear incidents in total, with 2 reported in the last 30 days and 0 in the last 7 days. These reports are compiled from official government sources, news outlets, and community submissions, and can be viewed on the incident map.
When and where was the latest bear incident in Agano River?
The most recent bear sighting in Agano River was on April 11, 2026 in Nikkō 上三依, Tochigi, where 1 Black Bear was reported. Detailed location and surrounding incidents are available on the incident map.
Where have bears appeared recently in Agano River?
Recent bear sightings in Agano River have been concentrated in Minamiaizu (16), Minamiaizu Haryu (13), Nasushiobara 中塩原 (12). These areas have had multiple reports within the last 30 days.
Is bear activity increasing in Agano River?
Activity has slowed. 0 incidents in the last 7 days, 2 in the last 30 days.
What type of bears are in Agano River?
Agano River 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.