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This 43 km route runs from Karuizawa to Ueda Castle within Nagano. In the past 30 days, 32 bear sightings were reported within 5 km of the route. The past 7 days account for 3 of them. The latest sighting was reported 6 days ago near Karuizawa 大字長倉, Nagano.
This is an active bear corridor. Drive through with full caution, but rerouting is the safer choice.
1 places within 1 km of your route, passing through Nagano.
Size: adult and cub
Karuizawa 大字長倉, Nagano
Size: juvenile
Ueda, Nagano
Size: Unknown
Miyota 大字塩野, Nagano
Size: cub (juvenile)
Karuizawa 大字長倉, Nagano
Size: adult
Karuizawa 大字追分, Nagano
Size: Adult
Karuizawa, Nagano
Size: Adult
Karuizawa 大字追分, Nagano
Size: Unknown
Karuizawa 大字長倉, Nagano
Around 17:45 on 2026-06-14, a bear was sighted in Nagakura, Karuizawa Town, Nagano Prefecture.
Karuizawa 中軽井沢, Nagano
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: Juvenile
Ueda Tonoshiro, Nagano
Size: Adult
Karuizawa 大字長倉, Nagano
Size: cub/juvenile
Ueda, Nagano
Size: adult (fully grown)
Karuizawa 大字長倉, Nagano
Size: juvenile
Karuizawa 中軽井沢, Nagano
An adult bear was sighted in the forest behind a house in Kamishiojiri, Ueda City.
Ueda Kamishiojiri, Nagano
A bear was sighted in Nagakura, Karuizawa Town, around 9:30 AM on June 5.
Karuizawa 中軽井沢, Nagano
Size: Adult
Karuizawa, 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
Size: Adult (fully grown)
Karuizawa 大字追分, Nagano
One bear was sighted in Oiwake, Karuizawa Town. A nearby resident reported seeing a large black object moving in the forest.
Karuizawa 大字追分, 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: unknown
Karuizawa 大字追分, 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
Ueda Ueno, Nagano
Size: Adult
Karuizawa 大字長倉, Nagano
Peak activity at 17:00 with 2 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, 32 bear sightings were reported within 5 km of the route. The past 7 days account for 3 of them.
The latest sighting was reported 6 days ago near Karuizawa 大字長倉, Nagano.
Recent sightings on this route peak around 17:00. Bears are generally most active at dawn and dusk.
This 43 km route runs from Karuizawa to Ueda Castle within Nagano. In the past 30 days, 32 bear sightings were reported within 5 km of the route. The past 7 days account for 3 of them. The latest sighting was reported 6 days ago near Karuizawa 大字長倉, Nagano. This is an active bear corridor. Drive through with full caution, but rerouting is the safer choice.
