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This 239 km route runs from Mount Tate to Yorii, passing through Toyama, Saitama, Gifu, Gunma, and Nagano. In the past 30 days, 81 bear sightings were reported within 5 km of the route. The past 7 days account for 11 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.
12 places within 1 km of your route, passing through Toyama, Saitama, Gifu, Gunma, Nagano.
A bear was sighted in Hotaka Ariake, Azumino City, around 2:30 PM on July 11.
Azumino 穂高有明, Nagano
Size: Adult
Azumino, Nagano
A bear was sighted in Kuwayama, Saku City.
Saku Kuwayama, Nagano
On July 10 around 8:20 a.m., one bear was sighted in Naka-U, Ikeda Town, Nagano Prefecture.
Ikeda Nakau, Nagano
Size: adult and cub
Karuizawa 大字追分, Nagano
Size: juvenile
Karuizawa, Nagano
Size: juvenile
Azumino, Nagano
Size: Adult
Karuizawa, Nagano
Around 10:15 on July 6, a bear-like animal was sighted in Ashikuraji, Tateyama Town.
Tateyama, Toyama
A bear was sighted in Hatsuji, Karuizawa Town, Nagano, around 10:20 on July 6.
Karuizawa 大字発地, Nagano
Tomioka 妙義町上高田, Gunma
At around 9:00 AM on July 5, a bear was sighted in Oiwake, Karuizawa Town.
Karuizawa 大字追分, Nagano
Size: adult
Karuizawa, Nagano
Size: juvenile
Karuizawa 中軽井沢, Nagano
Size: Adult (fully grown)
Karuizawa, Nagano
Size: unknown
Azumino 穂高北穂高, Nagano
On 2026-07-04 afternoon, a bear was sighted in Hosshi, Karuizawa Town, Nagano Prefecture.
Karuizawa 大字発地, Nagano
On 2026-07-04 around 21:50, a bear was sighted in Hotaka Ariake, Azumino City, Nagano Prefecture.
Azumino 穂高有明, Nagano
While driving, discovered one bear standing/located by the roadside.
Azumino, Nagano
A bear was sighted in Nagakura, Karuizawa Town.
Karuizawa 中軽井沢, Nagano
Around 8:00 on 2026-07-03, a bear was sighted in Hotchi, Karuizawa Town, Nagano Prefecture.
Karuizawa 大字発地, Nagano
Size: juvenile
Azumino 堀金三田, Nagano
Size: Adult
Karuizawa, Nagano
A bear was sighted in Matsuida-machi Doshio, Annaka City.
Annaka 松井田町土塩, Gunma
Size: cub
Karuizawa, Nagano
Size: Adult
Karuizawa, Nagano
On 2026-07-01 in Karuizawa, Karuizawa Town, a bear was sighted.
Karuizawa 大字軽井沢, Nagano
Size: cub (juvenile)
Karuizawa 軽井沢, Nagano
Size: juvenile
Azumino, Nagano
Size: adult (fully grown)
Azumino, Nagano
Size: Adult (fully grown)
Karuizawa, Nagano
A bear was sighted in Kamimasuda, Matsuida-machi, Annaka City.
Annaka 松井田町上増田, Gunma
Size: Unknown
Azumino 明科光, Nagano
2 bear cubs. No adults seen.
Azumino, Nagano
Size: juvenile
Karuizawa 大字長倉, Nagano
Size: adult
Karuizawa 大字追分, Nagano
Size: adult
Azumino, Nagano
Size: Unknown
Komoro Kamasu, Nagano
Size: juvenile
Azumino, Nagano
Size: adult
Azumino, Nagano
Size: Adult (fully grown)
Azumino, Nagano
Size: Unknown
Matsumoto Gojo, Nagano
Annaka 松井田町上増田, Gunma
A bear was sighted in Kamimasuda, Matsuidamachi, Annaka City.
Annaka 松井田町上増田, Gunma
Size: Unknown
Azumino 穂高有明, Nagano
Size: adult
Azumino 穂高牧, Nagano
Annaka 松井田町土塩, Gunma
Size: adult
Azumino 穂高牧, Nagano
Size: Adult
Azumino 穂高牧, Nagano
Annaka 松井田町五料, Gunma
Size: Adult
Azumino 穂高牧, Nagano
Size: Adult
Azumino 穂高有明, Nagano
Size: Adult
Ikusaka 上生坂, Nagano
Size: Adult
Azumino, Nagano
Size: adult (fully grown)
Aoki 大字当郷, Nagano
Size: juvenile
Azumino, Nagano
Size: adult and cub
Karuizawa 大字長倉, Nagano
Size: Adult
Karuizawa, Nagano
Size: juvenile
Azumino, Nagano
Size: Unknown
Miyota 大字塩野, Nagano
Size: cub (juvenile)
Azumino, Nagano
Size: cub (juvenile)
Karuizawa 大字長倉, Nagano
Size: Adult
Azumino 穂高牧, Nagano
Size: adult
Karuizawa 大字追分, Nagano
Size: Adult
Karuizawa, 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: Adult
Karuizawa 大字追分, Nagano
Size: Unknown
Karuizawa 大字長倉, Nagano
Tomioka 神成, Gunma
Size: adult
Azumino 穂高有明, Nagano
Size: Adult
Azumino 穂高牧, Nagano
A bear was sighted in Hotaka Ariake, Azumino City.
Azumino 穂高有明, Nagano
Around 17:45 on 2026-06-14, a bear was sighted in Nagakura, Karuizawa Town, Nagano Prefecture.
Karuizawa 中軽井沢, Nagano
A bear was sighted in Ashikuraji, Tateyama Town.
Tateyama, Toyama
A 1.2-meter bear was sighted in Misawa, Minano Town.
Minano Misawa, Saitama
[Dangerous animal] Bear sighting in Minano, Saitama; hiker spotted it. Body length 1.2 meters. Around 5:45 p.m. on June 13 near the park mountain path in Minano (Saitama Shimbun). #YahooNews
Minano, Saitama
Around 21:50 on 2026-06-13, a bear was sighted in Yokokawa, Matsuidamachi, Annaka, Gunma.
Annaka 松井田町横川, Gunma
Size: Unknown
Matsumoto Anazawa, 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
Peak activity at 17:00 with 4 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, 81 bear sightings were reported within 5 km of the route. The past 7 days account for 11 of them.
The latest sighting was reported 1 day ago near Azumino 穂高有明, Nagano.
Recent sightings on this route peak around 17:00. Bears are generally most active at dawn and dusk.
This 239 km route runs from Mount Tate to Yorii, passing through Toyama, Saitama, Gifu, Gunma, and Nagano. In the past 30 days, 81 bear sightings were reported within 5 km of the route. The past 7 days account for 11 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.
