Cities & Towns · Nagano
Saku Black Bear Incidents
Bear incident and sighting reports for Saku, compiled from official government sources, news outlets, and community submissions. View the interactive incident map and safety information before hiking or outdoor activities.
Saku’s latest black bear report came from Saku Yomogida on December 21, 2025 at 09:00, when 1 bear of unknown size was seen there. The most recent cluster also includes adult bears in Saku Uchiyama on November 2, 2025 and in Saku on October 31, 2025, showing that sightings are still being logged across the area.
Across Saku, activity has been strongest in June 2024 and again through June, July, September, and October of 2025, with June 2024 standing out as the busiest month. Reports have come from Saku Yawata, Saku Kasuga, Saku Tokiwa, Saku Yokone, Saku Uchiyama, and the broader Saku area, and the town has recorded 30 black bear sightings in total.
Saku Bear Incident Map
No incidents in this time range
No incidents in this time range
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Comments (1)
9月から12月にかけて毎月のように報告されてるんだけど、親子連れの出没も混じってるから結構な群れが活動してるのか。
Hiking in bear country
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Frequently Asked Questions About Bears in Saku
How many bear incidents have been recorded in Saku?
Saku has 30 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 Saku?
The most recent bear sighting in Saku was on December 21, 2025 in Saku Yomogida, Nagano, where 1 Black Bear was reported. Detailed location and surrounding incidents are available on the incident map.
Where have bears appeared recently in Saku?
Recent bear sightings in Saku have been concentrated in Saku Shimohirao (2), Saku Yomogida (1), Saku Uchiyama (1). These areas have had multiple reports within the last 30 days.
Is bear activity increasing in Saku?
No recent activity to assess.
What type of bears are in Saku?
Saku 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.