Tourism Spots · Nagano
Tenryū River Black Bear Incidents
Black Bear sighting and incident data compiled from official government records, news outlets, and community reports.
Latest Bear Activity in Tenryū River
Tenryū River had a Black Bear report in Shiojiri on June 22, 2026. There were 38 incidents in the past 30 days, including 4 in the past 7 days. Reports are down from the previous week, but recent activity remains. Recent reports are spread across Shiojiri, Tatsuno 大字上島, and Okaya Kawagishi. The area has 251 recorded incidents in total.
Sponsor the Tenryū River page
The Tenryū River page was viewed 22 times in the last 30 days, as of 6/21/2026. For ¥980/month, your business can reach people checking local safety, planning where to go, what to prepare, and where to stop. Click estimate: 1-1. Approved sponsors appear as the only business ad on this page.
Tenryū River Bear Incident Map
No incidents in this time range
No incidents in this time range
Recent trips through Tenryū River
Nearby Areas
Comments (0)
No comments yet.
Hiking in bear country
Safety picks and trail essentials, top-rated on Amazon and Rakuten.
Frequently Asked Questions About Bears in Tenryū River
How many bear incidents have been recorded in Tenryū River?
Tenryū River has recorded 251 bear incidents in total, with 38 reported in the last 30 days and 4 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 Tenryū River?
The most recent bear sighting in Tenryū River was on June 21, 2026 in Shiojiri, Nagano, where 1 Black Bear was reported. Detailed location and surrounding incidents are available on the incident map.
Where have bears appeared recently in Tenryū River?
Recent bear sightings in Tenryū River have been concentrated in Shiojiri (19), Shiojiri Soga (8), Tatsuno 大字上島 (5). These areas have had multiple reports within the last 30 days.
Is bear activity increasing in Tenryū River?
Activity has slowed. 4 incidents in the last 7 days, 38 in the last 30 days.
What type of bears are in Tenryū River?
Tenryū 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.