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This 398 km route runs from Shinjuku Central Park to Sado, passing through Tokyo, Niigata, Gunma, and Saitama. In the past 30 days, 48 bear sightings were reported within 5 km of the route. The past 7 days account for 11 of them. The latest sighting was reported 1 day ago near Minakami Yubara, Gunma.
This is an active bear corridor. Drive through with full caution, but rerouting is the safer choice.
7 places within 1 km of your route, passing through Tokyo, Niigata, Gunma, Saitama.
Around 6:45 PM on June 14, a bear was sighted in Yuhara, Minakami Town, Gunma Prefecture.
Minakami Yubara, Gunma
One bear was sighted about 500 meters west along the mountain area from Iizuka meeting hall. It was moving north.
Nagaoka, Niigata
I encountered an Asiatic black bear (Tsukinowaguma) crossing the road on a forest road heading to Mount Omine / Ōmine-numa.
Minakami, Gunma
Found bear tracks in the field.
Uonuma, Niigata
While driving on Prefectural Route 268, I spotted one bear. It went into the brush to the south.
Yuzawa Tsuchidaru, Niigata
A single cub was sighted near the lift unloading area on the Ipponsugi Ski Resort slope.
Yuzawa, Niigata
While driving on Prefectural Route 351, I sighted one bear. It moved eastward.
Yuzawa Kandatsu, Niigata
While traveling on the town road Sekiba-Matsukawa Line, one bear was sighted. It moved eastward.
Yuzawa Tsuchidaru, Niigata
One bear was sighted on the grounds of a commercial facility in Tokimizu, Ojiya City, Niigata, and then left for adjacent woodland.
Ojiya City, Niigata
A passerby sighted one bear about 0.5 meters in body length heading toward the mountain.
Minamiuonuma, Niigata
Discovered bear tracks in the field.
Minamiuonuma, Niigata
Fled toward the Shinano River due to the approach of a car
Nagaoka, Niigata
Bear traces (claw marks and broken branches) were confirmed on a persimmon tree within the grounds of a private residence in the Takayasu-ji area.
Sanjo, Niigata
One bear, about 1 m long, was sighted beside a city road in Kawaguchiushigashima, Nagaoka City.
Nagaoka, Niigata
I sighted an animal believed to be a bear near the mountainside.
Minamiuonuma, Niigata
I saw one cub entering the woods.
Minamiuonuma, Niigata
Around 7:30 on 2026-06-07, a bear was sighted near Muica Snow Resort in Kokuriyama, Minamiuonuma City.
Minamiuonuma, Niigata
On the mountain trail heading toward Shaka no Reisen, I encountered it just past a curve. When I honked the horn, it ran off from the road into the mountains.
Minakami Namezawa, Gunma
Observed one bear in the field. It moved toward the northeast.
Nagaoka, Niigata
A single cub was sighted near Nakayama bus stop. It moved northeast.
Nagaoka, Niigata
Around 9:50 PM on June 4, a bear was sighted in Kamishirai, Shibukawa City, Gunma Prefecture.
Shibukawa 上白井, Gunma
Shibukawa 上白井, Gunma
Shibukawa 赤城町津久田, Gunma
A member of the public walking nearby sighted one bear. It moved south.
Nagaoka, Niigata
At around 20:00 on June 3, a bear was sighted in Akagi-cho Tsukuda, Shibukawa City.
Shibukawa 赤城町津久田, Gunma
Two sets of footprints in the rice paddy. Their destination is unknown.
Uonuma, Niigata
I discovered bear tracks in the field.
Minamiuonuma, Niigata
Bear on the Mount Tamagawa trail, approx 500m elevation up
Minakami, Gunma
While driving on the Kendo Kandatsu-Yuzawa Line, I spotted one bear. It ran off toward the mountains to the west.
Yuzawa Kandatsu, Niigata
A bear about 1 meter in size was sighted behind the company’s hill. Afterwards, it left the area and went into the mountain.
Sanjo, Niigata
A bear about 1 meter long was sighted behind a company in Kotaki, Sanjo City.
Sanjo, Niigata
A bear was sighted in Shida, Minakami Town, Gunma, around 8:10 a.m.
Minakami Moroda, Gunma
I observed one bear approximately 0.8 m in body length entering the woods.
Minamiuonuma, Niigata
A bear about one meter long was sighted. It then left toward the mountains.
Sanjo, Niigata
Bear tracks discovered in the field
Uonuma, Niigata
Around 6:00 on 2026-05-26, a bear was sighted in Yagatahara-machi, Numata City, Gunma Prefecture.
Numata Yakatabaramachi, Gunma
One bear was sighted within an industrial park.
Uonuma, Niigata
Bear droppings discovered
Uonuma, Niigata
Around 09:00 on May 19, in a rice field in Goka, Minamiuonuma City, a man in his 70s doing farm work was struck by a bear about 1 meter long and suffered scrapes to his face; he was taken to hospital and his life is not in danger.
Minamiuonuma, Niigata
On May 19, 2026 at around 09:00, a man in his 70s working in a rice field in Gokka, Minamiuonuma City, Niigata Prefecture, was rammed by a single bear about 1 meter long and sustained scratches and bleeding to his face; he was taken to a local hospital. His injuries are not life-threatening, and the prefecture issued a bear-sighting warning following the season's first human injury.
Minamiuonuma, Niigata
At around 08:55 on the 19th, a man in his 70s working in a rice field in Goka, Minamiuonuma City, was struck from the right side by a bear and sustained facial injuries. He was taken by ambulance to a local hospital but was able to walk on his own.
Minamiuonuma, Niigata
A resident was injured when they collided with a bear about 1.0 m in length while working in the fields.
Minamiuonuma, Niigata
It was hiding in the bushes on the riverbed of the Uono River.
Uonuma, Niigata
Bear tracks discovered in farmland
Uonuma, Niigata
Bear tracks were found near the worksite.
Nagaoka, Niigata
Shibukawa 北橘町分郷八崎, Gunma
Bear tracks discovered
Uonuma, Niigata
A staff member discovered bear tracks in a rice paddy.
Minamiuonuma, Niigata
Peak activity at 8:00 with 7 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, 48 bear sightings were reported within 5 km of the route. The past 7 days account for 11 of them.
The latest sighting was reported 1 day ago near Minakami Yubara, Gunma.
Recent sightings on this route peak around 8:00. Bears are generally most active at dawn and dusk.
This 398 km route runs from Shinjuku Central Park to Sado, passing through Tokyo, Niigata, Gunma, and Saitama. In the past 30 days, 48 bear sightings were reported within 5 km of the route. The past 7 days account for 11 of them. The latest sighting was reported 1 day ago near Minakami Yubara, Gunma. This is an active bear corridor. Drive through with full caution, but rerouting is the safer choice.
