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This 194 km route runs from Tsunashima Onsen to Karuizawa, passing through Kanagawa, Nagano, Gunma, Saitama, and Tokyo. In the past 30 days, 20 bear sightings were reported within 5 km of the route. The past 7 days account for 5 of them. The latest sighting was reported 1 day ago near Karuizawa 中軽井沢, Nagano.
At this density of recent sightings, be ready to brake at any moment and avoid stopping in flagged stretches.
24 places within 1 km of your route, passing through Kanagawa, Nagano, Gunma, Saitama, Tokyo.
Around 17:45 on 2026-06-14, a bear was sighted in Nagakura, Karuizawa Town, Nagano Prefecture.
Karuizawa 中軽井沢, Nagano
Around 21:50 on 2026-06-13, a bear was sighted in Yokokawa, Matsuidamachi, Annaka, Gunma.
Annaka 松井田町横川, Gunma
Annaka 松井田町土塩, Gunma
Tomioka 妙義町菅原, Gunma
Annaka 松井田町土塩, Gunma
An animal believed to be a bear was sighted in Yokokawa, Matsuida-machi, Annaka City.
Annaka 松井田町横川, Gunma
A bear was sighted in Nagakura, Karuizawa Town, around 9:30 AM on June 5.
Karuizawa 中軽井沢, Nagano
Size: adult with cub
Karuizawa, Nagano
On 2026-06-02 around noon, a bear was sighted in Karuizawa, Karuizawa Town, Nagano Prefecture.
Karuizawa 大字軽井沢, Nagano
One bear was sighted in Karuizawa, Karuizawa Town; the area has nearby homes and the bear was about 1 meter long.
Karuizawa 中軽井沢, Nagano
Size: adult
Karuizawa 大字長倉, Nagano
Size: Adult (fully grown)
Karuizawa 大字長倉, Nagano
Size: adult (fully grown)
Karuizawa 大字長倉, Nagano
Size: adult
Karuizawa 大字長倉, Nagano
Around 4:00 PM on May 28, a bear was sighted in Nagakura, Karuizawa Town.
Karuizawa 中軽井沢, Nagano
Size: Adult
Karuizawa 大字長倉, Nagano
Fujioka Shimohino, Gunma
Around 3:00 PM on 2026-05-25, one bear was sighted in Shimonino, Fujioka City, Gunma Prefecture.
Fujioka Shimohino, Gunma
Size: adult
Karuizawa 軽井沢, Nagano
Tomioka 妙義町諸戸, Gunma
Peak activity at 15:00 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, 20 bear sightings were reported within 5 km of the route. The past 7 days account for 5 of them.
The latest sighting was reported 1 day ago near Karuizawa 中軽井沢, Nagano.
Recent sightings on this route peak around 15:00. Bears are generally most active at dawn and dusk.
This 194 km route runs from Tsunashima Onsen to Karuizawa, passing through Kanagawa, Nagano, Gunma, Saitama, and Tokyo. In the past 30 days, 20 bear sightings were reported within 5 km of the route. The past 7 days account for 5 of them. The latest sighting was reported 1 day ago near Karuizawa 中軽井沢, Nagano. At this density of recent sightings, be ready to brake at any moment and avoid stopping in flagged stretches.
