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This 153 km route runs from Fujinomiya to Karuizawa, passing through Shizuoka, Nagano, and Yamanashi. In the past 30 days, 33 bear sightings were reported within 5 km of the route. The past 7 days account for 6 of them. The latest sighting was reported 3 days ago near Karuizawa 軽井沢, Nagano.
This is an active bear corridor. Rerouting or rescheduling your hike is strongly advised.
2 places within 1 km of your route, passing through Shizuoka, Nagano, Yamanashi.
Size: Adult
Karuizawa 軽井沢, Nagano
A bear was sighted in Takabe, Chuo City, Yamanashi Prefecture, around 22:50 on August 4.
Chuo Takabe, Yamanashi
Chuo Takabe, Yamanashi
Location: 36.36815° N, 138.59869° E We encountered 1 adult female bear with 2 cubs. The adult bear made a bluff charge toward us (stopped around 5 meters away) while the cubs ran up the hill. They then moved away together.
Karuizawa 中軽井沢, Nagano
Size: adult with cubs
Karuizawa 大字長倉, Nagano
Size: Adult
Karuizawa 軽井沢, Nagano
Size: Adult
Karuizawa 中軽井沢, Nagano
Size: Adult (fully grown)
Karuizawa, Nagano
Size: Adult (fully grown)
Karuizawa 中軽井沢, Nagano
Around 1:00 PM on 2026-07-28, one bear was sighted in Karuizawa, Karuizawa Town, Nagano Prefecture.
Karuizawa 大字軽井沢, Nagano
Kōfu Nakabatakecho, Yamanashi
Size: juvenile
Karuizawa 大字長倉, Nagano
Size: Adult
Karuizawa 大字発地, Nagano
Around 8:20 on 2026-07-24, a bear was sighted in Nagakura, Karuizawa Town, Nagano Prefecture.
Karuizawa 中軽井沢, Nagano
Size: Adult
Karuizawa 大字長倉, Nagano
A bear was sighted in Mogusa, Karuizawa Town, Nagano Prefecture, around 7:15 a.m. on July 21.
Karuizawa 大字茂沢, Nagano
Size: Adult
Karuizawa 大字茂沢, Nagano
Size: Unknown
Karuizawa 大字長倉, Nagano
Chuo Asari, Yamanashi
Details unknown
Chuo Asari, Yamanashi
中央市立豊富小学校：お便り内容 件名：クマの目撃情報 配日：2026年7月21日 -本文- 7月19日午後7時50分頃、浅利 付近でクマの目撃情報がありまし た。夏季休業中ですので、ご家庭 で注意喚起をお願いいたします。 ・外出時は、クマ鈴を持参す る。 ・クマを見かけても、絶対に近 づいたり、刺激したりしない。 ・もし見かけたら、静かにその 場を離れ、近くの大人や警察に知 らせる。 安全確保のため、ご理解とご協 力をお願いいたします。
Chuo Kihara, Yamanashi
A bear was sighted in Karuizawa, Karuizawa Town, Nagano.
Karuizawa 大字軽井沢, Nagano
Size: cub (young bear)
Karuizawa 中軽井沢, Nagano
Size: Juvenile
Karuizawa 大字軽井沢, Nagano
Size: cub (young animal)
Karuizawa 大字軽井沢, Nagano
Size: Adult
Karuizawa 大字軽井沢, Nagano
Size: juvenile
Karuizawa 大字長倉, Nagano
Size: adult (fully grown)
Koumi, Nagano
Around 7:00 on July 16, a bear was sighted in Chiyosato, Koumi Town, Nagano Prefecture.
Koumi 大字千代里, Nagano
Size: adult and cub
Karuizawa, Nagano
Size: juvenile
Karuizawa 大字軽井沢, Nagano
It looked like a large dog crossed the area, but there was no owner, and I realized it was a wild animal. It was not a boar, deer, or badger. Judging from the size, gait, and silhouette, I think it may have been a young Asiatic black bear (Ursus thibetanus), so I am reporting it. Also, while walking nearby I found a black, glossy, flattened droppings. After examining it, I believe it is likely from a bear.
Karuizawa 大字軽井沢, Nagano
On 2026-07-10 in Shinkoda, Saku City, Nagano, a bear was sighted.
Saku Arakoda, Nagano
Peak activity at 19:00 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, 33 bear sightings were reported within 5 km of the route. The past 7 days account for 6 of them.
The latest sighting was reported 3 days ago near Karuizawa 軽井沢, Nagano.
Recent sightings on this route peak around 19:00. Bears are generally most active at dawn and dusk.
This 153 km route runs from Fujinomiya to Karuizawa, passing through Shizuoka, Nagano, and Yamanashi. In the past 30 days, 33 bear sightings were reported within 5 km of the route. The past 7 days account for 6 of them. The latest sighting was reported 3 days ago near Karuizawa 軽井沢, Nagano. This is an active bear corridor. Rerouting or rescheduling your hike is strongly advised.
