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This 225 km route runs from Achi to Iiyama within Nagano. In the past 30 days, 51 bear sightings were reported within 5 km of the route. The past 7 days account for 3 of them. The latest sighting was reported 2 days ago near Nagano Shinonoi-Ishikawa, Nagano.
This is an active bear corridor. Rerouting or rescheduling your hike is strongly advised.
Size: adult (fully grown)
Nagano Shinonoi-Ishikawa, Nagano
Size: Juvenile
Omi, Nagano
Around 2:30 PM on 2026-08-05, one bear was sighted in Shinonoi Ishikawa, Nagano City.
Nagano Shinonoi-Ishikawa, Nagano
One bear was found inside a capture cage installed in Soga, Shiojiri City, and was culled by a local hunting association member.
Shiojiri Daimon, Nagano
Size: Adult
Yamanouchi Hirao, Nagano
A bear was sighted in Akashina Nakagawate, Azumino City.
Azumino 明科中川手, Nagano
Size: Adult
Iiyama Mizuhotoyo, Nagano
Size: Unknown
Azumino 明科中川手, Nagano
Size: Adult
Iida Kitagata, Nagano
Size: adult
Iiyama Mizuhotoyo, Nagano
Size: adult (fully grown)
Minowa 大字中箕輪, Nagano
Around 8:00 on 2026-07-25, a bear was sighted in Maruyama 4-chome, Iida City, Nagano Prefecture.
Iida Takinosawa, Nagano
Size: unknown
Nakano Shinoi, Nagano
Size: adult
Iiyama Nakasone, Nagano
Size: adult
Iiyama Asahi, Nagano
A bear was sighted in Kamigo Kuroda, Iida City.
Iida Kamisatokuroda, Nagano
Size: Adult
Ina Masumigaoka, Nagano
Size: Juvenile
Iida 宮ノ上, Nagano
Size: Unknown
Kijimadaira Ogo, Nagano
Size: juvenile
Minowa, Nagano
Size: juvenile
Minowa, Nagano
Size: adult
Nozawaonsen Toyosato, Nagano
Around 08:20 on 2026-07-22, a bear was sighted in Ōkyū, Iida City, Nagano Prefecture.
Iida 大休, Nagano
Size: Juvenile
Iida 大休, Nagano
Size: Adult
Nakano Shinoi, Nagano
A bear was sighted in Shoei-cho 2-chome, Iida City.
Iida 羽場権現, Nagano
Size: juvenile
Iida 羽場権現, Nagano
Around 1:30 PM on 2026-07-20, one bear was sighted in Ono, Tatsuno Town, Nagano Prefecture.
Tatsuno 大字小野, Nagano
Size: Juvenile
Shimojo Hisawa, Nagano
Size: Unknown
Matsumoto Nakayama, Nagano
Size: Adult
Minowa, Nagano
A bear was sighted in Niino, Nakano City, Nagano Prefecture on 2026-07-18.
Nakano Shinno, Nagano
Size: Adult
Minowa, Nagano
One bear was found caught in a box trap in Okuyasu, Iida City, and was then culled by the hunters' association.
Iida 大休, Nagano
Size: juvenile
Minowa, Nagano
Size: Unknown
Takamori Yamabuki, Nagano
Size: juvenile
Matsumoto Arigasaki, Nagano
Size: juvenile
Iida Takinosawa, Nagano
A bear was sighted in Arigasaki, Matsumoto City.
Matsumoto Arigasaki, Nagano
Around 6:30 on 2026-07-14, a bear was sighted in Yamabuki, Takamori Town, Nagano Prefecture.
Takamori Yamabuki, Nagano
Size: Juvenile
Takamori Yamabuki, Nagano
Size: Adult
Nozawaonsen Hirabayashi, Nagano
Around 9:30 on July 13, a bear was sighted in Togura, Chikuma City, Nagano, and was captured.
Chikuma Togura, Nagano
Around 20:00 on 2026-07-13, a bear was sighted in Ozawa, Ina City, Nagano Prefecture.
Ina Ozawa, Nagano
Size: Unknown
Ina Ozawa, Nagano
Size: Adult
Chikuma Togura, Nagano
Size: Adult
Okaya Kawagishi, Nagano
Size: Adult
Tatsuno 大字上島, Nagano
Size: adult with cubs
Iida 大休, Nagano
Around 18:20 on 2026-07-10, a bear was sighted in Kanae-Kirishita, Iida City, Nagano Prefecture.
Iida 羽場上河原, Nagano
In the Okuyasu area of Iida City, beehives were damaged and honey was eaten.
Iida 大休, 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, 51 bear sightings were reported within 5 km of the route. The past 7 days account for 3 of them.
The latest sighting was reported 2 days ago near Nagano Shinonoi-Ishikawa, Nagano.
Recent sightings on this route peak around 8:00. 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, 51 bear sightings were reported within 5 km of the route. The past 7 days account for 3 of them. The latest sighting was reported 2 days ago near Nagano Shinonoi-Ishikawa, Nagano. This is an active bear corridor. Rerouting or rescheduling your hike is strongly advised.
