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This 34 km route runs from Matsumoto Castle to Ariake yama within Nagano. In the past 30 days, 46 bear sightings were reported within 5 km of the route. The past 7 days account for 5 of them. The latest sighting was reported 1 day ago near Azumino 穂高有明, Nagano.
This is an active bear corridor. Rerouting or rescheduling your hike is strongly advised.
Size: Unknown
Azumino 穂高有明, Nagano
Size: adult
Azumino 穂高牧, Nagano
Size: Adult
Azumino 穂高有明, Nagano
Size: Adult
Azumino 穂高有明, Nagano
Size: Adult
Azumino, Nagano
A bear believed to be an adult was sighted at Shiroyama Park in Matsumoto City.
Matsumoto Shinbashi, Nagano
Size: unknown
Matsumoto Shinbashi, Nagano
It was eating something by the roadside. When a car approached, it disappeared into the grass.
Azumino, Nagano
Size: juvenile
Azumino 穂高, Nagano
Size: Juvenile
Azumino 穂高, Nagano
Size: cub (juvenile)
Azumino, Nagano
Size: adult
Azumino 穂高有明, Nagano
A bear was sighted in Hotaka Ariake, Azumino City.
Azumino 穂高有明, Nagano
One bear was sighted in a residential area of Miyabuchi, Matsumoto City; police searched but did not find it.
Matsumoto Miyabuchi-honmura, Nagano
Size: Unknown
Matsumoto Shinbashi, Nagano
Two bear sighting reports were received from residents in Miyabuchi 3, Matsumoto City.
Matsumoto Miyabuchi-honmura, Nagano
Size: unknown
Matsumoto Miyabuchi-honmura, Nagano
Around 12:20 on 2026-06-13, a bear was sighted in Shimauchi, Matsumoto City, Nagano Prefecture.
Matsumoto Shinbashi, Nagano
Size: adult
Matsumoto Shimauchi, Nagano
While climbing a power line route, a creature suddenly ran away from the grassy verge about 2 meters away. It was about the size of a large dog, with short legs and coarse, jet-black hair on its back. This was the sixth time I had encountered a bear.
Azumino, Nagano
Size: adult (fully grown)
Azumino, Nagano
A bear was sighted in Okada-Shimookada, Matsumoto City.
Matsumoto Okada-Shimookada, Nagano
A 110 emergency call reported seeing a bear in Jōyama, Matsumoto City.
Matsumoto Joyama, Nagano
Size: Adult
Matsumoto Joyama, Nagano
Size: juvenile
Azumino 三郷明盛, Nagano
Size: Adult
Azumino, Nagano
Size: adult
Azumino 穂高牧, Nagano
A bear was sighted in Shimmura, Matsumoto City.
Matsumoto Niimura, Nagano
A bear was sighted in Wada, Matsumoto City.
Matsumoto Wada, Nagano
Size: Adult
Azumino, Nagano
A bear was sighted in Sasa-ga, Matsumoto City, around 5:30 a.m. on June 6.
Matsumoto, Nagano
Size: adult
Azumino 穂高有明, Nagano
Size: Adult
Matsukawa Kitahosono, Nagano
Size: Adult
Azumino 穂高有明, Nagano
Size: adult
Azumino 穂高牧, Nagano
A bear was sighted in Sasaga, Matsumoto City, Nagano, around 08:50 on 2026-06-04.
Matsumoto, Nagano
A 45-year-old farm worker woman nearby called 110 to report seeing a bear in Sasaga, Matsumoto City.
Matsumoto, Nagano
A bear was sighted in Hotakamaki, Azumino City, around 17:05 on 2026-06-01.
Azumino, Nagano
Size: adult
Azumino 豊科光, Nagano
Around 18:35 on 2026-05-29, one bear was sighted in Shimadachi, Matsumoto City, Nagano Prefecture.
Matsumoto Shimadachi, Nagano
A bear was sighted in Aizome, Ikeda Town, Nagano Prefecture.
Ikeda Aisome, Nagano
Size: adult with cub
Azumino 豊科田沢, Nagano
Size: adult (fully grown)
Matsukawa Kitahosono, Nagano
Size: Adult (fully grown)
Matsukawa, Nagano
Around 06:00 on 2026-05-28, a bear was sighted in Hotaka Ariake, Azumino City, Nagano Prefecture.
Azumino 穂高有明, Nagano
Size: Juvenile
Azumino 豊科田沢, Nagano
Peak activity at 16:00 with 2 incidents
Ursus thibetanus japonicus
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For mountain rescue, call 110 (police). They will coordinate with local rescue teams.
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In the past 30 days, 46 bear sightings were reported within 5 km of the route. The past 7 days account for 5 of them.
The latest sighting was reported 1 day ago near Azumino 穂高有明, Nagano.
Recent sightings on this route peak around 16:00. Bears are generally most active at dawn and dusk.
This 34 km route runs from Matsumoto Castle to Ariake yama within Nagano. In the past 30 days, 46 bear sightings were reported within 5 km of the route. The past 7 days account for 5 of them. The latest sighting was reported 1 day ago near Azumino 穂高有明, Nagano. This is an active bear corridor. Rerouting or rescheduling your hike is strongly advised.
