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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, 71 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 Matsumoto Arigasaki, 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.
Around 6:10 on July 12, a bear-like animal was seen in Tanazawa, Atsugi City.
Atsugi Tanazawa, 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
Around 19:20 on July 12, a bear-like animal was sighted in Kurosawa 3-chome, Ome City.
Ōme Kurosawa, 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
I was riding a motorcycle on a tour, and it was just at the spot where the guardrail goes into the mountain, so I didn't take any photos and the location is not exact. I was heading west and report an approximate location based on my memory that it was a left-hand curve a little past the Megane Bridge parking area, at a place with a white guardrail.
Annaka, Gunma
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
Matsumoto Arigasaki, Nagano
A bear was sighted in Arigasaki, Matsumoto City.
Matsumoto Arigasaki, Nagano
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
Size: juvenile
Matsumoto Arigasaki, Nagano
A bear was sighted in Arigasaki, Matsumoto City.
Matsumoto Arigasaki, Nagano
Size: Adult
Okaya Kawagishi, Nagano
Size: Adult
Tatsuno 大字上島, 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
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
Koshu Katsunumacho-Kamiiwasaki, Yamanashi
Tsuru Shimoya, Yamanashi
One bear sighted. Fled north.
Otsuki Yanagawamachi-Tsunanoue, Yamanashi
Otsuki Hatsukarimachi-Shimohatsukari, Yamanashi
Otsuki Otsukimachi-Hanasaki, Yamanashi
Tsuru Ohata, Yamanashi
Peak activity at 13:00 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, 71 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 Matsumoto Arigasaki, Nagano.
Recent sightings on this route peak around 13:00. 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, 71 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 Matsumoto Arigasaki, Nagano. This is an active bear corridor. Drive through with full caution, but rerouting is the safer choice.
