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This 225 km route runs from Achi to Iiyama within Nagano. In the past 30 days, 102 bear sightings were reported within 5 km of the route. The past 7 days account for 14 of them. The latest sighting was reported 1 day ago near Takamori Izuhara, Nagano.
This is an active bear corridor. Rerouting or rescheduling your hike is strongly advised.
Size: juvenile
Takamori Izuhara, Nagano
Size: Adult
Iida 大休, Nagano
Size: Unknown
Matsumoto Nakayama, Nagano
Around 6:30 a.m. on June 22, one beekeeping box was found broken in the yard of a private home in Kitakata, Iida City, and the honeybee nest inside was missing. The city believes a bear likely caused the damage.
Iida Kitagata, Nagano
A bear was sighted in Soga, Shiojiri City.
Shiojiri Daimon, Nagano
Size: juvenile
Komagane, Nagano
Size: Unknown
Iida, Nagano
Size: Adult
Komagane, Nagano
Size: Unknown
Shiojiri, Nagano
Size: cub
Komagane, Nagano
Around 8:00 on June 19, two bears were reported sighted on a road in Kamigōkuroda, Iida City.
Iida Kamisatokuroda, Nagano
Size: unknown
Iida 宮ノ上, Nagano
Around 8:00 on 2026-06-19, a bear-like animal was sighted in Miyanoue, Iida City, Nagano Prefecture.
Iida 宮ノ上, 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
Kijimadaira Ogo, 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: Adult
Yamanouchi Hirao, Nagano
Size: cub (young bear)
Tatsuno 南平, Nagano
Size: cub (juvenile)
Azumino, Nagano
Size: juvenile
Nozawaonsen Mushiu, 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
A bear was sighted in Nakamura, Iida City, Nagano on June 15 around 7:30 PM.
Iida 中村, Nagano
Size: juvenile
Tatsuno, Nagano
Size: cub (young)
Iida, 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: adult
Iiyama Toyoda, 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
Size: Adult
Iida, Nagano
Size: Adult
Okaya Kawagishi, Nagano
Size: juvenile
Iida 大休, 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: adult
Achi, Nagano
Size: Adult
Iida, Nagano
Size: adult and cub
Iida, 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: juvenile
Minowa 大字中箕輪, Nagano
Size: Unknown
Chikuma Mori, Nagano
Size: Unknown
Shiojiri Kaminishijo, Nagano
Size: adult with cub(s)
Iida, Nagano
Size: Adult
Okaya Kawagishi, Nagano
Size: Adult
Okaya Kawagishi, Nagano
Size: adult with cubs
Iida Takinosawa, 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: cub (juvenile)
Shimojo, Nagano
Size: Adult
Iiyama Oike, Nagano
Size: Unknown
Iida 宮ノ上, Nagano
Size: Adult
Shiojiri Shimonishijo, Nagano
Size: Unknown
Iiyama, 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: adult
Ina Nishimachi, Nagano
Size: cub (juvenile)
Nozawaonsen Hirabayashi, 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: juvenile
Ina Nishiminowa, Nagano
Size: adult with cub(s)
Iida 大休, 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
Ina Araiuchinokaya, Nagano
One bear was sighted walking through a field in Oizumi Shinden, Nishiminowa, Ina City, Nagano; later hunters and officials also confirmed it and saw it head north.
Ina, Nagano
Size: juvenile
Iida 白山町, Nagano
Size: Adult
Shiojiri Shimonishijo, Nagano
Size: Adult
Shiojiri Daimon-hachibancho, Nagano
A bear was sighted in Shimokijima, Iiyama City.
Iiyama Shimokijima, Nagano
Size: Unknown
Tatsuno 大字小野, Nagano
Size: adult
Kijimadaira, Nagano
Size: unknown
Kijimadaira Ogo, 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: cub (juvenile)
Takamori Ushimaki, Nagano
Size: adult with cub
Azumino 豊科田沢, Nagano
Size: Unknown
Toyooka Kumashiro, Nagano
Size: Juvenile
Azumino 豊科田沢, Nagano
Size: Adult
Shiojiri Daimon-nibancho, Nagano
Size: adult
Nagano 若穂保科, Nagano
Size: Adult
Iiyama Toyoda, Nagano
Size: Adult
Shiojiri, Nagano
Size: Unknown
Tatsuno 大字小野, Nagano
Peak activity at 6:00 with 3 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, 102 bear sightings were reported within 5 km of the route. The past 7 days account for 14 of them.
The latest sighting was reported 1 day ago near Takamori Izuhara, Nagano.
Recent sightings on this route peak around 6:00. Bears are generally most active at dawn and dusk.
This 225 km route runs from Achi to Iiyama within Nagano. In the past 30 days, 102 bear sightings were reported within 5 km of the route. The past 7 days account for 14 of them. The latest sighting was reported 1 day ago near Takamori Izuhara, Nagano. This is an active bear corridor. Rerouting or rescheduling your hike is strongly advised.
