Mountains & Hiking · Nagano
Ren Kagaku Black Bear Incidents
Bear incident and sighting reports for Ren Kagaku, compiled from official government sources, news outlets, and community submissions. View the interactive incident map and safety information before hiking or outdoor activities.
In Ōmachi on April 21, 2026, a fully grown black bear was reported, adding to the recent run of sightings in the area. Another adult black bear was also reported in Ōmachi on April 1, 2026, showing that bear activity has continued into spring.
Ōmachi is the clear hotspot in Ren Kagaku, with repeated reports through November 2025 and a smaller return in December 2025, after the busiest stretch in September 2025 and October 2025. Across Ren Kagaku, black bears have been reported 381 times overall, so this is not an isolated corner of the map but a place with a steady record of bear presence.
Ren Kagaku Bear Incident Map
No incidents in this time range
No incidents in this time range
Nearby Areas
Comments (1)
Five reports in just three days around Omachi Onsenkyo in early November, then another cluster through mid-December. Is this resort area normally this active, or did something shift?
Hiking in bear country
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Frequently Asked Questions About Bears in Ren Kagaku
How many bear incidents have been recorded in Ren Kagaku?
Ren Kagaku has recorded 381 bear incidents in total, with 1 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 Ren Kagaku?
The most recent bear sighting in Ren Kagaku was on April 20, 2026 in Ōmachi, Nagano, where 1 Black Bear was reported. Detailed location and surrounding incidents are available on the incident map.
Where have bears appeared recently in Ren Kagaku?
Recent bear sightings in Ren Kagaku have been concentrated in Ōmachi (90), Tateyama (13), Tateyama 芦峅寺 (4). These areas have had multiple reports within the last 30 days.
Is bear activity increasing in Ren Kagaku?
Activity has slowed. 0 incidents in the last 7 days, 1 in the last 30 days.
What type of bears are in Ren Kagaku?
Ren Kagaku 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.