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This 145 km route runs from Mount Mizugaki to Kamikawa, passing through Yamanashi, 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 5 of them. The latest sighting was reported 2 days ago near Karuizawa 大字発地, Nagano.
At this density of recent sightings, be ready to brake at any moment and avoid stopping in flagged stretches.
3 places within 1 km of your route, passing through Yamanashi, Saitama, Gunma, Nagano.
Around 8:20 AM on 2026-07-24, one bear was sighted in Hatachi, Karuizawa Town, Nagano Prefecture.
Karuizawa 大字発地, Nagano
Size: juvenile
Karuizawa, Nagano
Size: Adult
Karuizawa 大字発地, 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
Annaka 松井田町行田, Gunma
One bear was seen moving in Matsuida-cho Gyoda, Annaka City, Gunma.
Annaka 松井田町行田, Gunma
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 (fully grown)
Karuizawa, Nagano
I was riding a motorcycle on a tour, and it was just at the spot where the guardrail goes into the mountain, so I didn't take any photos and the location is not exact. I was heading west and report an approximate location based on my memory that it was a left-hand curve a little past the Megane Bridge parking area, at a place with a white guardrail.
Annaka, Gunma
Around 13:10 on 2026-07-10, a bear was sighted in Shiga, Saku City, Nagano Prefecture.
Saku, Nagano
On 2026-07-10 in Shinkoda, Saku City, Nagano, a bear was sighted.
Saku Arakoda, 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
Size: adult
Karuizawa, Nagano
On 2026-07-04 afternoon, a bear was sighted in Hosshi, Karuizawa Town, Nagano Prefecture.
Karuizawa 大字発地, Nagano
Shimonita, Gunma
Around 7 PM on July 3, a bear was sighted in Nishinomaki, Shimonita Town.
Shimonita Nishinomaki, Gunma
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
Karuizawa, Nagano
A bear was sighted in Matsuida-machi Doshio, Annaka City.
Annaka 松井田町土塩, Gunma
Size: Adult
Karuizawa, Nagano
Size: Adult
Karuizawa, Nagano
Size: Adult (fully grown)
Karuizawa, Nagano
Peak activity at 7:00 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.
Draw any route in Japan and get the same bear-safety report, built around the trip you're actually taking.
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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 5 of them.
The latest sighting was reported 2 days ago near Karuizawa 大字発地, Nagano.
Recent sightings on this route peak around 7:00. Bears are generally most active at dawn and dusk.
This 145 km route runs from Mount Mizugaki to Kamikawa, passing through Yamanashi, 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 5 of them. The latest sighting was reported 2 days ago near Karuizawa 大字発地, Nagano. At this density of recent sightings, be ready to brake at any moment and avoid stopping in flagged stretches.
