Cities & Towns · Yamanashi
Kosuge Black Bear Incidents
Bear incident and sighting reports for Kosuge, compiled from official government sources, news outlets, and community submissions. View the interactive incident map and safety information before hiking or outdoor activities.
Kosuge’s latest black bear report came on November 21, 2025 at 18:00 in Kosuge 池ノ尻, where 1 black bear was sighted. Earlier that same day, another sighting was reported in Kosuge Village at 09:00, and the area had already seen a bear on November 20, 2025 at 18:20 in Kosuge 川久保.
The most active spots in the record are Kosuge 川久保 and Kosuge 坂東, with repeated sightings also in Kosuge Village, Kosuge 白沢, and Kosuge 東部. Activity has been heaviest in November 2025, with 4 reports, matching June 2025 with 4, while August 2025 brought 3 and September 2025 brought 2; since records began, Kosuge has logged 39 black bear sightings overall.
Kosuge Bear Incident Map
No incidents in this time range
No incidents in this time range
Places in Yamanashi
Comments (1)
Two sightings in Kosuge Village on the same day in November, and that's just what got reported.
Hiking in bear country
Safety picks and trail essentials, top-rated on Amazon and Rakuten.
Frequently Asked Questions About Bears in Kosuge
How many bear incidents have been recorded in Kosuge?
Kosuge has 39 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 Kosuge?
The most recent bear sighting in Kosuge was on November 21, 2025 in Kosuge 池ノ尻, Tokyo, where 1 Black Bear was reported. Detailed location and surrounding incidents are available on the incident map.
Where have bears appeared recently in Kosuge?
Recent bear sightings in Kosuge have been concentrated in Kosuge 川久保 (7), Kosuge 小永山 (7), Kosuge 橋立 (6). These areas have had multiple reports within the last 30 days.
Is bear activity increasing in Kosuge?
No recent activity to assess.
What type of bears are in Kosuge?
Kosuge 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.