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This 737 km route runs from Yamanaka Castle to Sakura Castle, passing through Shizuoka, Tokyo, Saitama, Gunma, Nagano, Yamanashi, Chiba, and Kanagawa. In the past 30 days, 88 bear sightings were reported within 5 km of the route. The past 7 days account for 15 of them. The latest sighting was reported 1 day ago near Saku, Nagano.
This is an active bear corridor. Drive through with full caution, but rerouting is the safer choice.
24 places within 1 km of your route, passing through Shizuoka, Tokyo, Saitama, Gunma, Nagano, Yamanashi, Chiba, Kanagawa.
A young bear dashed out from the forest.
Hakone 箱根, Kanagawa
I heard a bear cry.
Aikawa Hanbara, Kanagawa
A large animal about the size of a bear or a wild boar in the bamboo grove
Atsugi Tanazawa, Kanagawa
Hachioji, Tokyo
Ōme Shiobune, Tokyo
At around 22:55 on 2026-06-23, an animal resembling a bear, about 1 meter long, was sighted in Azu, Hanno City, Saitama Prefecture. No one was injured.
Hanno Oaza Azu, Saitama
Hachioji, Tokyo
Around 9:00 on June 14, a bear-like animal was sighted in Oguno, Hinode-machi, Tokyo.
Tokyo Oguno, Tokyo
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: Unknown
Ueda Sanadamachi-Motohara, Nagano
Size: juvenile
Karuizawa, Nagano
Size: Adult
Karuizawa, Nagano
Size: unknown
Ueda Tonoshiro, 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: Unknown
Ueda Ueno, Nagano
Size: Adult (fully grown)
Karuizawa, Nagano
Size: adult
Karuizawa 大字追分, Nagano
Size: Unknown
Ueda Tonoshiro, Nagano
Size: Unknown
Komoro Kamasu, Nagano
Shimonita, Gunma
Size: adult (fully grown)
Ueda, Nagano
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: juvenile
Ueda, Nagano
Size: Adult
Karuizawa, Nagano
Size: Unknown
Miyota 大字塩野, 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
Size: Adult
Sakaki Minamijo, Nagano
Size: Adult
Matsumoto Nanaarashi, Nagano
Size: adult
Matsumoto Hora, Nagano
Around 7 PM on 2026-06-27, a bear was sighted in Hara, Matsumoto City, Nagano Prefecture.
Matsumoto Hara, Nagano
Size: juvenile
Matsumoto Asamaonsen, Nagano
Size: Adult
Matsumoto, Nagano
Size: Adult
Matsumoto Satoyamabe, Nagano
A bear believed to be an adult was sighted at Shiroyama Park in Matsumoto City.
Matsumoto Shinbashi, Nagano
Size: unknown
Matsumoto Shinbashi, Nagano
Size: cub (juvenile)
Azumino, Nagano
One bear was sighted in a residential area of Miyabuchi, Matsumoto City; police searched but did not find it.
Matsumoto Miyabuchi-honmura, Nagano
Size: Unknown
Matsumoto Shinbashi, Nagano
Two bear sighting reports were received from residents in Miyabuchi 3, Matsumoto City.
Matsumoto Miyabuchi-honmura, Nagano
Size: unknown
Matsumoto Miyabuchi-honmura, Nagano
Around 12:20 on 2026-06-13, a bear was sighted in Shimauchi, Matsumoto City, Nagano Prefecture.
Matsumoto Shinbashi, Nagano
Size: adult
Matsumoto Shimauchi, Nagano
Size: Adult
Shiojiri Kaminishijo, Nagano
A bear was sighted in Nishi-Minowa Oizumishinden, Ina City, around 1:30 PM on July 6.
Ina, 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: adult (fully grown)
Tatsuno 南平, Nagano
Size: adult
Matsumoto Hora, Nagano
Around 7 PM on 2026-06-27, a bear was sighted in Hara, Matsumoto City, Nagano Prefecture.
Matsumoto Hara, Nagano
Around 2026-06-26 00:00, a bear was sighted in Kitanono, Shiojiri City, Nagano Prefecture.
Shiojiri Kitaono, Nagano
Size: juvenile
Matsumoto Asamaonsen, Nagano
Size: Adult
Matsumoto Satoyamabe, Nagano
Size: Unknown
Matsumoto Nakayama, Nagano
A bear was sighted in Soga, Shiojiri City.
Shiojiri Daimon, Nagano
In Soga, Shiojiri City, one adult Asian black bear caught in a trap for deer and other animals was captured and culled because houses were nearby.
Shiojiri Daimon, Nagano
A bear believed to be an adult was sighted at Shiroyama Park in Matsumoto City.
Matsumoto Shinbashi, Nagano
Size: unknown
Matsumoto Shinbashi, 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
One bear was sighted in a residential area of Miyabuchi, Matsumoto City; police searched but did not find it.
Matsumoto Miyabuchi-honmura, Nagano
Size: Unknown
Matsumoto Shinbashi, Nagano
Two bear sighting reports were received from residents in Miyabuchi 3, Matsumoto City.
Matsumoto Miyabuchi-honmura, Nagano
Size: unknown
Matsumoto Miyabuchi-honmura, Nagano
Around 12:20 on 2026-06-13, a bear was sighted in Shimauchi, Matsumoto City, Nagano Prefecture.
Matsumoto Shinbashi, Nagano
Size: adult
Tatsuno 大字上島, Nagano
Size: adult
Matsumoto Shimauchi, Nagano
One bear was found trapped in a snare along a forest road in Kawagishi, Okaya City, and was culled.
Okaya Kawagishi, Nagano
Size: Adult
Okaya Kawagishi, Nagano
Hokuto Sutamacho-Wakamiko-shinmachi, Yamanashi
Two bears believed to be a parent and child were sighted by a driver in Sutama-cho Wakamiko, Hokuto City.
Hokuto Sutamacho-Wakamiko, Yamanashi
Size: adult
Fujimi, Nagano
Hokuto Nagasakacho-Hino, Yamanashi
Size: juvenile
Fujimi, Nagano
Nirasaki Okusamachiwakao, Yamanashi
A bear was sighted in Fujimi, Fujimi Town, Nagano around 6:40 a.m. on June 15.
Fujimi, Nagano
Size: unknown
Fujimi, Nagano
One bear sighted. Fled north.
Otsuki Yanagawamachi-Tsunanoue, Yamanashi
Otsuki Hatsukarimachi-Shimohatsukari, Yamanashi
Otsuki Otsukimachi-Hanasaki, Yamanashi
Tsuru Ohata, Yamanashi
Uenohara Ozone, Yamanashi
Tsuru Ohata, Yamanashi
Peak activity at 9:00 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, 88 bear sightings were reported within 5 km of the route. The past 7 days account for 15 of them.
The latest sighting was reported 1 day ago near Saku, Nagano.
Recent sightings on this route peak around 9:00. Bears are generally most active at dawn and dusk.
This 737 km route runs from Yamanaka Castle to Sakura Castle, passing through Shizuoka, Tokyo, Saitama, Gunma, Nagano, Yamanashi, Chiba, and Kanagawa. In the past 30 days, 88 bear sightings were reported within 5 km of the route. The past 7 days account for 15 of them. The latest sighting was reported 1 day ago near Saku, Nagano. This is an active bear corridor. Drive through with full caution, but rerouting is the safer choice.
