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This 112 km route runs from Moroyama to Karuizawa, passing through Saitama, Gunma, and Nagano. In the past 30 days, 27 bear sightings were reported within 5 km of the route. The past 7 days account for 1 of them. The latest sighting was reported 3 days ago near Moroyama 阿諏訪, Saitama.
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, Gunma, Nagano.
A bear was sighted in Asuwa, Moroyama Town, Saitama Prefecture.
Moroyama 阿諏訪, Saitama
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
Around 21:50 on 2026-06-13, a bear was sighted in Yokokawa, Matsuidamachi, Annaka, Gunma.
Annaka 松井田町横川, Gunma
A bear-like animal was sighted in Shimbori, Hidaka City, and a black shadow appeared on the reporter's car dashcam.
Hidaka 新堀, Saitama
Annaka 松井田町土塩, Gunma
Annaka 松井田町土塩, Gunma
A bear about 1 meter long was sighted in Koma-Hongō, Hidaka City, around 3:00 PM on June 7; no one was injured.
Hidaka 高麗本郷, Saitama
An animal believed to be a bear was sighted in Yokokawa, Matsuida-machi, Annaka City.
Annaka 松井田町横川, Gunma
Annaka 松井田町上増田, Gunma
Annaka 松井田町土塩, Gunma
Annaka 松井田町五料, Gunma
Size: adult and cub
Karuizawa 大字長倉, Nagano
Size: Adult
Karuizawa, Nagano
Size: cub (juvenile)
Karuizawa 大字長倉, Nagano
Size: adult
Karuizawa 大字追分, Nagano
Size: Adult
Karuizawa, Nagano
Shimonita Nishinomaki, Gunma
Size: Adult
Karuizawa 大字追分, Nagano
Size: Unknown
Karuizawa 大字長倉, Nagano
Around 17:45 on 2026-06-14, a bear was sighted in Nagakura, Karuizawa Town, Nagano Prefecture.
Karuizawa 中軽井沢, Nagano
Around 21:50 on 2026-06-13, a bear was sighted in Yokokawa, Matsuidamachi, Annaka, Gunma.
Annaka 松井田町横川, Gunma
Annaka 松井田町土塩, Gunma
Annaka 松井田町土塩, Gunma
Size: Adult
Karuizawa 大字長倉, Nagano
Size: adult (fully grown)
Karuizawa 大字長倉, Nagano
Size: juvenile
Karuizawa 中軽井沢, 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
Peak activity at 6:00 with 2 incidents
Ursus thibetanus japonicus
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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 1 of them.
The latest sighting was reported 3 days ago near Moroyama 阿諏訪, Saitama.
Recent sightings on this route peak around 6:00. Bears are generally most active at dawn and dusk.
This 112 km route runs from Moroyama to Karuizawa, passing through Saitama, Gunma, and Nagano. In the past 30 days, 27 bear sightings were reported within 5 km of the route. The past 7 days account for 1 of them. The latest sighting was reported 3 days ago near Moroyama 阿諏訪, Saitama. At this density of recent sightings, reroute or postpone your ride until activity quiets.
