Mountains & Hiking · Hokkaido
Mount Kamui (Lake Mashū caldera) Brown Bear Incidents
Bear incident and sighting reports for Mount Kamui (Lake Mashū caldera), compiled from official government sources, news outlets, and community submissions. View the interactive incident map and safety information before hiking or outdoor activities.
At Kawayu Junior High School in Teshikaga, bear footprints about 14 cm wide were found on the school grounds on March 19, 2026, and police stepped up patrols nearby. The tracks were believed to be from an adult brown bear, which is the latest sign of activity around Mount Kamui (Lake Mashū caldera).
Most of the activity has centered on Shibecha and Teshikaga, with reports also reaching Kawayu Junior High School and Harano in Teshikaga Town. The busiest stretch has been August 2025 with 5 incidents and July 2025 with 5 as well, while March 2026 has already logged 3 reports; in all, this area has recorded 29 brown bear sightings.
Mount Kamui (Lake Mashū caldera) Bear Incident Map
No incidents in this time range
No incidents in this time range
Nearby Areas
Comments (1)
Five incidents in Shibecha between August 10th and September 13th, that's a lot of activity in just over a month.
Hiking in bear country
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Frequently Asked Questions About Bears in Mount Kamui (Lake Mashū caldera)
How many bear incidents have been recorded in Mount Kamui (Lake Mashū caldera)?
Mount Kamui (Lake Mashū caldera) has 29 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 Mount Kamui (Lake Mashū caldera)?
The most recent bear sighting in Mount Kamui (Lake Mashū caldera) was on March 19, 2026 in Kawayu Junior High School (Teshikaga), Hokkaido, where 1 Brown Bear was reported. Detailed location and surrounding incidents are available on the incident map.
Where have bears appeared recently in Mount Kamui (Lake Mashū caldera)?
Recent bear sightings in Mount Kamui (Lake Mashū caldera) have been concentrated in Shibecha (16), Shibecha 字虹別原野 (6), Kawayu Junior High School (Teshikaga) (2). These areas have had multiple reports within the last 30 days.
Is bear activity increasing in Mount Kamui (Lake Mashū caldera)?
No recent activity to assess.
What type of bears are in Mount Kamui (Lake Mashū caldera)?
Mount Kamui (Lake Mashū caldera) is home to brown bears (Ussuri brown bear), which can weigh up to 500kg and are found only in Hokkaido. They are active from spring through autumn. Always carry bear bells and bear spray when hiking.