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This 54 km route runs from Utsukushigahara to Narai-juku within Nagano. In the past 30 days, 47 bear sightings were reported within 5 km of the route. The past 7 days account for 12 of them. The latest sighting was reported 1 day ago near Matsumoto Asamaonsen, Nagano.
This is an active bear corridor. Drive through with full caution, but rerouting is the safer choice.
2 places within 1 km of your route, passing through Nagano.
Size: juvenile
Matsumoto Asamaonsen, Nagano
Size: Adult
Matsumoto, Nagano
Size: cub (young bear)
Kiso, Nagano
Size: Adult
Matsumoto Satoyamabe, Nagano
Size: adult
Shiojiri, Nagano
Size: cub (young animal)
Kiso 大字菅, Nagano
One bear was sighted in Iriyamabe, Matsumoto City, Nagano Prefecture. Police responded but did not find it.
Matsumoto Iriyamabe, Nagano
Size: juvenile
Kiso 大字菅, Nagano
Size: Unknown
Matsumoto Nakayama, Nagano
Size: Unknown
Asahi 大字小野沢, Nagano
A bear was sighted in Soga, Shiojiri City.
Shiojiri Daimon, Nagano
Size: Unknown
Shiojiri, Nagano
In Soga, Shiojiri City, one adult Asian black bear caught in a trap for deer and other animals was captured and culled because houses were nearby.
Shiojiri Daimon, Nagano
Size: Unknown
Kiso, Nagano
Size: adult (fully grown)
Shiojiri Soga, Nagano
A bear believed to be an adult was sighted at Shiroyama Park in Matsumoto City.
Matsumoto Shinbashi, Nagano
Size: unknown
Matsumoto Shinbashi, Nagano
At around 10:17 on June 15, a bear was sighted in Yokokawa, Tatsuno Town.
Tatsuno 大字横川, 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
Size: juvenile
Kiso, Nagano
Around 12:20 on 2026-06-13, a bear was sighted in Shimauchi, Matsumoto City, Nagano Prefecture.
Matsumoto Shinbashi, Nagano
A 110 emergency call reported seeing a bear in Jōyama, Matsumoto City.
Matsumoto Joyama, Nagano
A bear was sighted in Kanai, Shiojiri City on 2026-06-11.
Shiojiri Kanai, Nagano
Size: Adult
Matsumoto Joyama, Nagano
Size: Juvenile
Shiojiri Midoriko, Nagano
Size: Unknown
Shiojiri Kaminishijo, Nagano
Size: Unknown
Shiojiri, Nagano
A bear was sighted in Sasa-ga, Matsumoto City, around 5:30 a.m. on June 6.
Matsumoto, Nagano
Size: Adult
Shiojiri Shimonishijo, Nagano
Around 18:45 on 2026-06-04, an animal believed to be a bear was sighted in Soga, Shiojiri City, Nagano Prefecture.
Shiojiri Daimon, Nagano
A bear was sighted in Sasaga, Matsumoto City, Nagano, around 08:50 on 2026-06-04.
Matsumoto, Nagano
A report was made in Seba, Shiojiri City, about an animal resembling a bear.
Shiojiri, Nagano
Size: Adult
Shiojiri Daimon-nibancho, Nagano
Size: Unknown
Matsumoto Kukohigashi, Nagano
A 45-year-old farm worker woman nearby called 110 to report seeing a bear in Sasaga, Matsumoto City.
Matsumoto, Nagano
Size: Adult
Matsumoto Kukohigashi, Nagano
Size: Adult
Shiojiri Hirooka-Harashinden, Nagano
Size: Unknown
Shiojiri, Nagano
Size: Unknown
Shiojiri Niekawa, Nagano
Size: Unknown
Shiojiri, Nagano
Size: Adult
Shiojiri Shimonishijo, Nagano
Size: Adult
Shiojiri Daimon-hachibancho, Nagano
Around 18:35 on 2026-05-29, one bear was sighted in Shimadachi, Matsumoto City, Nagano Prefecture.
Matsumoto Shimadachi, Nagano
Size: Unknown
Kiso 大字薮原, Nagano
Peak activity at 18:00 with 2 incidents
Ursus thibetanus japonicus
Safety picks and trail essentials, top-rated on Amazon and Rakuten.
For mountain rescue, call 110 (police). They will coordinate with local rescue teams.
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In the past 30 days, 47 bear sightings were reported within 5 km of the route. The past 7 days account for 12 of them.
The latest sighting was reported 1 day ago near Matsumoto Asamaonsen, Nagano.
Recent sightings on this route peak around 18:00. Bears are generally most active at dawn and dusk.
This 54 km route runs from Utsukushigahara to Narai-juku within Nagano. In the past 30 days, 47 bear sightings were reported within 5 km of the route. The past 7 days account for 12 of them. The latest sighting was reported 1 day ago near Matsumoto Asamaonsen, Nagano. This is an active bear corridor. Drive through with full caution, but rerouting is the safer choice.
