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This 157 km route runs from Ogawa to Chino, passing through Saitama, Nagano, and Gunma. In the past 30 days, 27 bear sightings were reported within 5 km of the route. The past 7 days account for 2 of them. The latest sighting was reported 3 days ago near Annaka 松井田町土塩, Gunma.
At this density of recent sightings, reroute or postpone your ride until activity quiets.
1 places within 1 km of your route, passing through Saitama, Nagano, Gunma.
Annaka 松井田町土塩, Gunma
Annaka 松井田町土塩, Gunma
Size: adult (fully grown)
Karuizawa 大字長倉, Nagano
An animal believed to be a bear was sighted in Yokokawa, Matsuida-machi, Annaka City.
Annaka 松井田町横川, Gunma
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
Annaka 秋間みのりが丘, Gunma
Size: Adult
Karuizawa 大字長倉, Nagano
Size: Adult (fully grown)
Karuizawa 大字追分, Nagano
Around 5 PM on 2026-05-25, a bear was sighted in Oiwake, Karuizawa Town, Nagano Prefecture.
Karuizawa 大字追分, Nagano
Size: Adult
Saku Yokone, Nagano
Size: adult
Karuizawa 軽井沢, Nagano
Tomioka 妙義町諸戸, Gunma
Size: juvenile
Karuizawa 大字長倉, Nagano
Size: adult
Karuizawa 軽井沢, Nagano
A black bear was standing on all four paws at the roadside.
Karuizawa, Nagano
Peak activity at 17:00 with 2 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, 27 bear sightings were reported within 5 km of the route. The past 7 days account for 2 of them.
The latest sighting was reported 3 days ago near Annaka 松井田町土塩, Gunma.
Recent sightings on this route peak around 17:00. Bears are generally most active at dawn and dusk.
This 157 km route runs from Ogawa to Chino, passing through Saitama, Nagano, and Gunma. In the past 30 days, 27 bear sightings were reported within 5 km of the route. The past 7 days account for 2 of them. The latest sighting was reported 3 days ago near Annaka 松井田町土塩, Gunma. At this density of recent sightings, reroute or postpone your ride until activity quiets.
