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This 34 km route runs from Matsumoto Castle to Ariake yama within Nagano. In the past 30 days, 22 bear sightings were reported within 5 km of the route. The past 7 days account for 3 of them. The latest sighting was reported 1 day ago near Azumino, Nagano.
At this density of recent sightings, consider rescheduling or choosing a different trail until activity quiets.
Size: juvenile
Azumino, Nagano
Size: Adult
Azumino 穂高有明, Nagano
Size: Adult
Azumino, Nagano
One bear was sighted in Horigane Karasawa, Azumino City, around 10:35 on 2026-07-30.
Azumino 穂高柏原, Nagano
A bear was sighted in Akashina Nakagawate, Azumino City.
Azumino 明科中川手, Nagano
Size: Unknown
Azumino 明科中川手, Nagano
Size: adult (fully grown)
Azumino 穂高有明, Nagano
One bear was sighted in Hotaka Ariake, Azumino City.
Azumino 穂高有明, Nagano
Size: Unknown
Azumino 穂高有明, Nagano
Size: Adult
Azumino, Nagano
Size: adult (fully grown)
Azumino, Nagano
Around 00:30 on 2026-07-22, a bear was sighted in Hotakaariake, Azumino City, Nagano Prefecture.
Azumino 穂高有明, Nagano
Around 21:00 on 2026-07-19, a bear was sighted in Hotaka Ariake, Azumino City, Nagano Prefecture.
Azumino 穂高有明, Nagano
Size: Unknown
Azumino 穂高有明, Nagano
Size: juvenile
Azumino 明科七貴, Nagano
Size: juvenile
Matsumoto Arigasaki, Nagano
A bear was sighted in Arigasaki, Matsumoto City.
Matsumoto Arigasaki, Nagano
Size: Unknown
Azumino 穂高有明, Nagano
A bear was sighted in Hotaka Ariake, Azumino City, around 2:30 PM on July 11.
Azumino 穂高有明, Nagano
Size: Adult
Azumino, Nagano
On July 10 around 8:20 a.m., one bear was sighted in Naka-U, Ikeda Town, Nagano Prefecture.
Ikeda Nakau, Nagano
Size: adult
Ikeda Nakau, Nagano
Peak activity at 10:00 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, 22 bear sightings were reported within 5 km of the route. The past 7 days account for 3 of them.
The latest sighting was reported 1 day ago near Azumino, Nagano.
Recent sightings on this route peak around 10:00. Bears are generally most active at dawn and dusk.
This 34 km route runs from Matsumoto Castle to Ariake yama within Nagano. In the past 30 days, 22 bear sightings were reported within 5 km of the route. The past 7 days account for 3 of them. The latest sighting was reported 1 day ago near Azumino, Nagano. At this density of recent sightings, consider rescheduling or choosing a different trail until activity quiets.
