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This 113 km route runs from Tomioka Silk Mill to Utsukushigahara, passing through Gunma and Nagano. In the past 30 days, 12 bear sightings were reported within 5 km of the route. The past 7 days account for 7 of them. The latest sighting was reported 3 days ago near Annaka 松井田町横川, Gunma.
At this density of recent sightings, be ready to brake at any moment and avoid stopping in flagged stretches.
Around 21:50 on 2026-06-13, a bear was sighted in Yokokawa, Matsuidamachi, Annaka, Gunma.
Annaka 松井田町横川, Gunma
Around 8:00 on 2026-06-11, one bear was sighted in Fujiyama, Ueda City, Nagano Prefecture.
Ueda Fujiyama, Nagano
Size: adult
Komoro Takibara, Nagano
Size: adult
Ueda Mitakedo, Nagano
Annaka 松井田町土塩, Gunma
Tomioka 妙義町菅原, Gunma
Annaka 松井田町土塩, Gunma
Size: Adult
Ueda Higashiuchi, Nagano
An animal believed to be a bear was sighted in Yokokawa, Matsuida-machi, Annaka City.
Annaka 松井田町横川, Gunma
Size: Adult
Saku Yokone, Nagano
Around 10:00 on 2026-05-25, a bear was sighted in Shiga, Saku City, Nagano Prefecture.
Saku, Nagano
Tomioka 妙義町諸戸, Gunma
Peak activity at 10:00 with 1 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, 12 bear sightings were reported within 5 km of the route. The past 7 days account for 7 of them.
The latest sighting was reported 3 days ago near Annaka 松井田町横川, Gunma.
Recent sightings on this route peak around 10:00. Bears are generally most active at dawn and dusk.
This 113 km route runs from Tomioka Silk Mill to Utsukushigahara, passing through Gunma and Nagano. In the past 30 days, 12 bear sightings were reported within 5 km of the route. The past 7 days account for 7 of them. The latest sighting was reported 3 days ago near Annaka 松井田町横川, Gunma. At this density of recent sightings, be ready to brake at any moment and avoid stopping in flagged stretches.
