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This 588 km route runs from Ōtsu-juku to Itabashi-juku, passing through Shiga, Gifu, Nagano, Gunma, Saitama, and Tokyo. In the past 30 days, 63 bear sightings were reported within 5 km of the route. The past 7 days account for 10 of them. The latest sighting was reported 1 day ago near Saku Kuwayama, Nagano.
This is an active bear corridor. Drive through with full caution, but rerouting is the safer choice.
17 places within 1 km of your route, passing through Shiga, Gifu, Nagano, Gunma, Saitama, Tokyo.
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
Size: Adult
Iida 大休, Nagano
A bear was sighted in Nishi-Minowa Oizumishinden, Ina City, around 1:30 PM on July 6.
Ina, Nagano
Size: unknown
Ina Yokoyama, Nagano
A bear was sighted in Naka-Minowa, Minowa Town, Nagano Prefecture, around 1:40 PM on July 3.
Minowa, Nagano
Size: juvenile
Minowa 大字中曽根, Nagano
Size: unknown
Tatsuno 大字上島, Nagano
Size: Unknown
Nagawa, Nagano
Size: juvenile
Takamori Yamabuki, Nagano
Size: adult (fully grown)
Tatsuno 南平, Nagano
Size: Adult
Iida 大休, Nagano
Size: juvenile
Nagiso, Nagano
Size: adult (fully grown)
Ina Nishiharuchika, Nagano
Around 2026-06-26 00:00, a bear was sighted in Kitanono, Shiojiri City, Nagano Prefecture.
Shiojiri Kitaono, Nagano
Size: juvenile
Takamori Izuhara, Nagano
Size: Adult
Iida 大休, Nagano
Around 6:30 a.m. on June 22, one beekeeping box was found broken in the yard of a private home in Kitakata, Iida City, and the honeybee nest inside was missing. The city believes a bear likely caused the damage.
Iida Kitagata, Nagano
Size: juvenile
Komagane, Nagano
Size: Unknown
Iida, Nagano
Size: Adult
Komagane, Nagano
Size: cub
Komagane, Nagano
Around 8:00 on June 19, two bears were reported sighted on a road in Kamigōkuroda, Iida City.
Iida Kamisatokuroda, Nagano
Size: unknown
Iida 宮ノ上, Nagano
Around 8:00 on 2026-06-19, a bear-like animal was sighted in Miyanoue, Iida City, Nagano Prefecture.
Iida 宮ノ上, Nagano
Size: cub (young bear)
Tatsuno 南平, Nagano
A bear was sighted in Kamishima, Tatsuno Town, Nagano, around 18:00 on 2026-06-15.
Tatsuno 大字上島, Nagano
Size: adult
Tatsuno 大字上島, Nagano
A bear was sighted in Nakamura, Iida City, Nagano on June 15 around 7:30 PM.
Iida 中村, Nagano
Size: cub (young)
Iida, Nagano
Size: adult
Tatsuno 大字上島, Nagano
One bear was found trapped in a snare along a forest road in Kawagishi, Okaya City, and was culled.
Okaya Kawagishi, Nagano
Around 13:10 on 2026-07-10, a bear was sighted in Shiga, Saku City, Nagano Prefecture.
Saku, Nagano
On 2026-07-10 in Shinkoda, Saku City, Nagano, a bear was sighted.
Saku Arakoda, Nagano
Size: juvenile
Karuizawa, Nagano
Size: Adult
Karuizawa, Nagano
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
Size: adult
Karuizawa, Nagano
On 2026-07-04 afternoon, a bear was sighted in Hosshi, Karuizawa Town, Nagano Prefecture.
Karuizawa 大字発地, Nagano
Shimonita, Gunma
Around 7 PM on July 3, a bear was sighted in Nishinomaki, Shimonita Town.
Shimonita Nishinomaki, Gunma
Around 8:00 on 2026-07-03, a bear was sighted in Hotchi, Karuizawa Town, Nagano Prefecture.
Karuizawa 大字発地, Nagano
Size: Adult
Karuizawa, Nagano
A bear was sighted in Matsuida-machi Doshio, Annaka City.
Annaka 松井田町土塩, Gunma
Annaka 下秋間, Gunma
Size: Adult
Karuizawa, Nagano
Size: Adult
Karuizawa, Nagano
Size: Adult (fully grown)
Karuizawa, Nagano
Shimonita, Gunma
Annaka 松井田町上増田, Gunma
Annaka 中秋間, Gunma
Annaka 松井田町土塩, Gunma
Annaka 松井田町五料, Gunma
Size: Adult
Karuizawa, Nagano
Shimonita Nishinomaki, Gunma
Around 21:50 on 2026-06-13, a bear was sighted in Yokokawa, Matsuidamachi, Annaka, Gunma.
Annaka 松井田町横川, Gunma
Peak activity at 6:00 with 3 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, 63 bear sightings were reported within 5 km of the route. The past 7 days account for 10 of them.
The latest sighting was reported 1 day ago near Saku Kuwayama, Nagano.
Recent sightings on this route peak around 6:00. Bears are generally most active at dawn and dusk.
This 588 km route runs from Ōtsu-juku to Itabashi-juku, passing through Shiga, Gifu, Nagano, Gunma, Saitama, and Tokyo. In the past 30 days, 63 bear sightings were reported within 5 km of the route. The past 7 days account for 10 of them. The latest sighting was reported 1 day ago near Saku Kuwayama, Nagano. This is an active bear corridor. Drive through with full caution, but rerouting is the safer choice.
