Mountains & Hiking · Yamanashi
Nana mensan Black Bear Incidents
Bear incident and sighting reports for Nana mensan, compiled from official government sources, news outlets, and community submissions. View the interactive incident map and safety information before hiking or outdoor activities.
Nana mensan's most recent black bear report came on April 12, 2026 at 05:48 in Hayakawa Oharano, near Hayakawa Kita Elementary School, where 1 bear was spotted. Another sighting was reported in Hayakawa Town on March 28, 2026, keeping the area on alert through the spring edge of the season.
The most active pockets have been around Hayakawa, Minobu, and Shizuoka 梅ヶ島, with repeated reports in Oharano, Oshima, Amehata, Obikane, and Yokonenaka. Activity peaked in June 2025 with 11 incidents, then stayed heavy in November 2025 with 10 and October 2025 with 9, while the area has logged 156 black bear sightings overall.
Nana mensan Bear Incident Map
No incidents in this time range
No incidents in this time range
Nearby Areas
Comments (1)
早川町に集中してるな、総153件の中でもここ最近毎週のように報告されてる。
Hiking in bear country
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Frequently Asked Questions About Bears in Nana mensan
How many bear incidents have been recorded in Nana mensan?
Nana mensan has recorded 156 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 Nana mensan?
The most recent bear sighting in Nana mensan was on April 11, 2026 in Hayakawa Oharano, Yamanashi, where 1 Black Bear was reported. Detailed location and surrounding incidents are available on the incident map.
Where have bears appeared recently in Nana mensan?
Recent bear sightings in Nana mensan have been concentrated in Shizuoka 梅ヶ島 (17), Hayakawa Kyogashima (15), Minobu (6). These areas have had multiple reports within the last 30 days.
Is bear activity increasing in Nana mensan?
Activity has slowed. 0 incidents in the last 7 days, 1 in the last 30 days.
What type of bears are in Nana mensan?
Nana mensan 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.