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This 233 km route runs from Shiojiri to Matsumoto, passing through Nagano and Niigata. In the past 30 days, 75 bear sightings were reported within 5 km of the route. The past 7 days account for 10 of them. The latest sighting was reported 23 hours ago near Iizuna Akashio, Nagano.
This is an active bear corridor. Rerouting or rescheduling your hike is strongly advised.
2 places within 1 km of your route, passing through Nagano, Niigata.
Size: Adult
Iizuna Akashio, Nagano
Size: Unknown
Matsumoto Nakayama, Nagano
A bear was sighted in Soga, Shiojiri City.
Shiojiri Daimon, Nagano
Size: Unknown
Shiojiri, Nagano
Size: Adult
Ikusaka 上生坂, 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: juvenile
Nagano Uematsu, 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
Size: juvenile
Azumino 穂高, Nagano
Size: Juvenile
Azumino 穂高, Nagano
Size: cub (juvenile)
Azumino, Nagano
A bear was sighted in Kamishima, Tatsuno Town, Nagano, around 18:00 on 2026-06-15.
Tatsuno 大字上島, Nagano
Size: adult
Tatsuno 大字上島, Nagano
Size: juvenile
Tatsuno, Nagano
One bear was sighted in a residential area of Miyabuchi, Matsumoto City; police searched but did not find it.
Matsumoto Miyabuchi-honmura, Nagano
Around 6:00 on June 14, a bear was sighted in Nanase, Nakano City.
Nakano Nanase, Nagano
Size: Unknown
Matsumoto Shinbashi, Nagano
Size: Adult
Nagano Matsushiromachi-Iwano, 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: Adult
Nakano Nanase, Nagano
Around 12:20 on 2026-06-13, a bear was sighted in Shimauchi, Matsumoto City, Nagano Prefecture.
Matsumoto Shinbashi, Nagano
Size: Unknown
Matsumoto Anazawa, Nagano
Size: adult
Tatsuno 大字上島, Nagano
Size: adult
Matsumoto Shimauchi, Nagano
One bear was found trapped in a snare along a forest road in Kawagishi, Okaya City, and was culled.
Okaya Kawagishi, Nagano
Around 17:10 on June 11, a bear was sighted in Kami-shima, Tatsuno Town.
Tatsuno 大字上島, 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: young cub
Tatsuno 大字上島, 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
Chikuma Mori, Nagano
Size: Unknown
Shiojiri Kaminishijo, Nagano
Size: juvenile
Azumino 三郷明盛, Nagano
Size: Unknown
Shiojiri, Nagano
A bear was sighted in Shimmura, Matsumoto City.
Matsumoto Niimura, Nagano
Size: Adult
Okaya Kawagishi, Nagano
Size: Adult
Okaya Kawagishi, Nagano
Size: adult (fully grown)
Nagano Tanaka, Nagano
A bear was sighted in Sasa-ga, Matsumoto City, around 5:30 a.m. on June 6.
Matsumoto, Nagano
Size: Adult
Nagano Shinonoi-Yokota, Nagano
Size: Adult
Shiojiri Shimonishijo, Nagano
Size: Unknown
Nagano Mayumida, 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
Size: Adult
Shiojiri Daimon-nibancho, Nagano
Size: Unknown
Nakano Kasahara, 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: Adult
Okaya, Nagano
Size: Adult
Nagano Aokijimamachi-Aokijima, Nagano
Size: adult
Azumino 豊科光, Nagano
Size: Adult
Shiojiri Shimonishijo, Nagano
Size: Adult
Shiojiri Daimon-hachibancho, Nagano
Size: Unknown
Tatsuno 大字小野, Nagano
Size: juvenile
Tatsuno 大字小野, Nagano
Around 18:35 on 2026-05-29, one bear was sighted in Shimadachi, Matsumoto City, Nagano Prefecture.
Matsumoto Shimadachi, Nagano
Size: Adult
Matsumoto Shinagura, Nagano
Size: adult with cub
Azumino 豊科田沢, Nagano
Size: Juvenile
Azumino 豊科田沢, Nagano
Size: Adult
Shiojiri Daimon-nibancho, Nagano
Size: Adult
Shiojiri, Nagano
Size: Unknown
Tatsuno 大字小野, Nagano
Size: Unknown
Shiojiri Soga, Nagano
Size: Adult
Iizuna Akashio, Nagano
Size: Unknown
Matsumoto Nakayama, Nagano
Size: Adult
Ikusaka 上生坂, Nagano
Size: juvenile
Nagano Uematsu, Nagano
A bear believed to be an adult was sighted at Shiroyama Park in Matsumoto City.
Matsumoto Shinbashi, Nagano
Size: unknown
Matsumoto Shinbashi, Nagano
Size: juvenile
Azumino 穂高, Nagano
Size: Juvenile
Azumino 穂高, Nagano
Size: cub (juvenile)
Azumino, 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
Size: Adult
Nagano Matsushiromachi-Iwano, 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: Unknown
Matsumoto Anazawa, Nagano
Size: adult
Matsumoto Shimauchi, 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
Around 08:10 on 2026-06-11, a bear was sighted in Sakaguchi, Iizuna Town, Nagano Prefecture.
Iizuna Sakaguchi, Nagano
Size: Adult
Iizuna Sakaguchi, Nagano
Size: Adult
Matsumoto Joyama, Nagano
Size: Unknown
Chikuma Mori, Nagano
Size: juvenile
Azumino 三郷明盛, Nagano
A bear was sighted in Shimmura, Matsumoto City.
Matsumoto Niimura, Nagano
Size: adult (fully grown)
Nagano Tanaka, Nagano
A bear was sighted in Sasa-ga, Matsumoto City, around 5:30 a.m. on June 6.
Matsumoto, Nagano
Size: Adult
Nagano Shinonoi-Yokota, Nagano
Size: Unknown
Nagano Mayumida, Nagano
Size: adult
Iizuna Kawakami, 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
Size: juvenile
Nagano 富田, Nagano
Size: Adult
Iizuna Kurai, Nagano
Size: Adult
Nagano Aokijimamachi-Aokijima, 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
Size: Adult
Matsumoto Shinagura, Nagano
Size: adult with cub
Azumino 豊科田沢, Nagano
Size: Juvenile
Azumino 豊科田沢, Nagano
Peak activity at 8:00 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, 75 bear sightings were reported within 5 km of the route. The past 7 days account for 10 of them.
The latest sighting was reported 23 hours ago near Iizuna Akashio, Nagano.
Recent sightings on this route peak around 8:00. Bears are generally most active at dawn and dusk.
This 233 km route runs from Shiojiri to Matsumoto, passing through Nagano and Niigata. In the past 30 days, 75 bear sightings were reported within 5 km of the route. The past 7 days account for 10 of them. The latest sighting was reported 23 hours ago near Iizuna Akashio, Nagano. This is an active bear corridor. Rerouting or rescheduling your hike is strongly advised.
