Mountains & Hiking · Kanagawa
Tanzawa Mountains Black Bear Incidents
Bear incident and sighting reports for Tanzawa Mountains, compiled from official government sources, news outlets, and community submissions. View the interactive incident map and safety information before hiking or outdoor activities.
Tanzawa Mountains had a fresh black bear report on April 4, 2026, at 05:30 in Matsuda near Yorita, and that is the most recent sign that bears are still moving through the area. Earlier in March, there was another report in Aikawa near Minamisawa Forest Road and Hanhara Pass, where a bear was said to have been chased by hunting dogs near Zuzasawa spring.
The busiest stretches have centered on November 2025 with 14 incidents, October 2025 with 17, and September 2025 with 12, while winter reports continued through January 2026 and February 2026 with 6 and 3 incidents, and March 2026 with 3 again. The strongest repeat activity has been around Kiyokawa, Matsuda, Hadano, and Aikawa, and the area has recorded 239 black bear sightings overall.
Tanzawa Mountains Bear Incident Map
No incidents in this time range
No incidents in this time range
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Frequently Asked Questions About Bears in Tanzawa Mountains
How many bear incidents have been recorded in Tanzawa Mountains?
Tanzawa Mountains has 239 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 Tanzawa Mountains?
The most recent bear sighting in Tanzawa Mountains was on April 3, 2026 in Matsuda 寄, Kanagawa, where 1 Black Bear was reported. Detailed location and surrounding incidents are available on the incident map.
Where have bears appeared recently in Tanzawa Mountains?
Recent bear sightings in Tanzawa Mountains have been concentrated in Matsuda 寄 (19), Isehara Oyama (14), Hadano Hane (10). These areas have had multiple reports within the last 30 days.
Is bear activity increasing in Tanzawa Mountains?
No recent activity to assess.
What type of bears are in Tanzawa Mountains?
Tanzawa Mountains 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.