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This 219 km route runs from Jindai-ji Temple to Zenkō-ji Temple, passing through Tokyo, Nagano, Gunma, and Saitama. In the past 30 days, 46 bear sightings were reported within 5 km of the route. The past 7 days account for 5 of them. The latest sighting was reported 3 days ago near Karuizawa 大字軽井沢, Nagano.
This is an active bear corridor. Rerouting or rescheduling your hike is strongly advised.
11 places within 1 km of your route, passing through Tokyo, Nagano, Gunma, Saitama.
大型犬が横切ったように見えましたが、飼い主はいなく、野生動物だったとわかりましたが、猪でも鹿でもアナグマでもなかったです。大きさと歩き方、シルエットから考えてツキノワグマの幼獣だったのではないかと思って報告させていただきます。また付近を歩くと、黒くて艶があるべたっとしたフンが落ちていました。調べてみたところ、やはり熊のものではないかと思います。
Karuizawa 大字軽井沢, Nagano
Around 9:30 on July 13, a bear was sighted in Togura, Chikuma City, Nagano, and was captured.
Chikuma Togura, Nagano
Size: Adult
Chikuma Togura, Nagano
ツーリングでバイク運転中であったこと、ちょうどガードレールから山の中へ入るところであった為、写真は撮れておらず、正確な位置ではありません。 西向きに進んで、眼鏡橋駐車場から少し先に進んだ左カーブ、白いガードレールのある場所だった記憶から大凡の場所を報告しています。
Annaka, Gunma
A bear was sighted in Kuwayama, Saku City.
Saku Kuwayama, Nagano
Size: adult and cub
Karuizawa 大字追分, Nagano
Size: juvenile
Karuizawa, Nagano
Size: Adult
Karuizawa, 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
At around 9:00 AM on July 5, a bear was sighted in Oiwake, Karuizawa Town.
Karuizawa 大字追分, Nagano
Size: adult
Karuizawa, Nagano
Size: Adult
Sakaki Minamijo, Nagano
Size: juvenile
Karuizawa 中軽井沢, Nagano
In a forest in Konabe, Nagano City, a man was accidentally hit in the left shoulder by a hunting rifle while a bear was being culled.
Nagano Konabe, Nagano
Size: Adult (fully grown)
Karuizawa, Nagano
On 2026-07-04 afternoon, a bear was sighted in Hosshi, Karuizawa Town, Nagano Prefecture.
Karuizawa 大字発地, Nagano
A bear was sighted in Nagakura, Karuizawa Town.
Karuizawa 中軽井沢, Nagano
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 with cub(s)
Nagano Konabe, Nagano
Size: Adult
Karuizawa, Nagano
A bear was sighted in Matsuida-machi Doshio, Annaka City.
Annaka 松井田町土塩, Gunma
Size: cub
Karuizawa, Nagano
Size: Adult
Karuizawa, Nagano
On 2026-07-01 in Karuizawa, Karuizawa Town, a bear was sighted.
Karuizawa 大字軽井沢, Nagano
Size: cub (juvenile)
Karuizawa 軽井沢, Nagano
Size: Adult (fully grown)
Karuizawa, Nagano
A bear was sighted in Kamimasuda, Matsuida-machi, Annaka City.
Annaka 松井田町上増田, Gunma
A sighting report said one bear was in a drainage canal and its face was visible in Amori-Koichi, Nagano City.
Nagano Kawanakajimamachi-Yotsuya, Nagano
Size: juvenile
Karuizawa 大字長倉, Nagano
Size: Adult (fully grown)
Nagano Shinonoi-Okada, Nagano
Size: adult
Karuizawa 大字追分, Nagano
Size: adult
Nagano Shinonoi-Utabi, Nagano
Size: Unknown
Komoro Kamasu, Nagano
Size: Adult
Nagano Sakura, Nagano
Annaka 松井田町上増田, Gunma
A bear was sighted in Kamimasuda, Matsuidamachi, Annaka City.
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: Unknown
Miyota 大字塩野, Nagano
Size: juvenile
Nagano Uematsu, Nagano
Size: cub (juvenile)
Karuizawa 大字長倉, Nagano
Size: adult
Karuizawa 大字追分, Nagano
Size: Adult
Karuizawa, Nagano
Peak activity at 6:00 with 2 incidents
Ursus thibetanus japonicus
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In the past 30 days, 46 bear sightings were reported within 5 km of the route. The past 7 days account for 5 of them.
The latest sighting was reported 3 days ago near Karuizawa 大字軽井沢, Nagano.
Recent sightings on this route peak around 6:00. Bears are generally most active at dawn and dusk.
This 219 km route runs from Jindai-ji Temple to Zenkō-ji Temple, passing through Tokyo, Nagano, Gunma, and Saitama. In the past 30 days, 46 bear sightings were reported within 5 km of the route. The past 7 days account for 5 of them. The latest sighting was reported 3 days ago near Karuizawa 大字軽井沢, Nagano. This is an active bear corridor. Rerouting or rescheduling your hike is strongly advised.
