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This 200 km route runs from Mitsuke to Kaichi School, passing through Niigata and Nagano. In the past 30 days, 39 bear sightings were reported within 5 km of the route. The past 7 days account for 6 of them. The latest sighting was reported 1 day ago near Tsunan Kamigo-Teraishi, Niigata.
This is an active bear corridor. Rerouting or rescheduling your hike is strongly advised.
4 places within 1 km of your route, passing through Niigata, Nagano.
Around 09:05 on 2026-08-06, a bear was sighted in Kamigo Teraiishi, Tsunan Town, Niigata Prefecture.
Tsunan Kamigo-Teraishi, Niigata
Size: adult (fully grown)
Nagano Shinonoi-Ishikawa, Nagano
Size: Juvenile
Omi, Nagano
Around 2:30 PM on 2026-08-05, one bear was sighted in Shinonoi Ishikawa, Nagano City.
Nagano Shinonoi-Ishikawa, Nagano
Size: adult
Iiyama Ichiyama, Nagano
A sighting of one bear cub near the exit of the Jinmen Tunnel on National Route 290
Nagaoka, Niigata
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: Adult
Iiyama Mizuhotoyo, Nagano
Size: Unknown
Azumino 明科中川手, Nagano
Size: adult
Iiyama Mizuhotoyo, Nagano
Observed one bear while driving on National Route 351. It moved east.
Nagaoka, Niigata
Size: unknown
Nakano Shinoi, Nagano
Size: adult
Iiyama Nakasone, Nagano
Size: adult
Iiyama Asahi, Nagano
One bear about 1 m (in length/height) moved east.
Nagaoka, Niigata
Size: Unknown
Kijimadaira Ogo, Nagano
Size: adult
Nozawaonsen Toyosato, Nagano
Observed one bear approximately 80 cm in body length on Prefectural Route Mitsuke-Tochio (near Nirehara Tunnel). It moved north.
Mitsuke, Niigata
Multiple new and old footprints discovered in the field
Nagaoka, Niigata
While driving on a farm road, a single cub was sighted.
Nagaoka, Niigata
Size: Adult
Nakano Shinoi, Nagano
Size: adult with cub(s)
Nagano Shinonoi-Utabi, Nagano
Size: juvenile
Azumino 明科七貴, Nagano
A bear was sighted in Niino, Nakano City, Nagano Prefecture on 2026-07-18.
Nakano Shinno, Nagano
While driving on National Route 290, I spotted one cub. It moved northwest.
Nagaoka, Niigata
Confirmed bear tracks
Tokamachi, Niigata
One bear approximately 140–150 cm in body length was observed. It was moving west (toward the forest). *The reporter is not the eyewitness, so the body length is uncertain.
Tsunan Kamigo-Teraishi, Niigata
A bear about 1 meter long was sighted in Kamigo, Tsunan Town, Niigata Prefecture, and then ran off toward the Sakamaki intersection on Route 117.
Tsunan Kamigo-Teraishi, Niigata
One bear approximately 80 cm in body length was sighted. It was moving from Prefectural Route 238 toward the Shikumigawa River.
Tsunan Kamigo-Kotaneshinden, Niigata
Observed one bear about 70–80 cm in body length. It crossed the road and moved south.
Tsunan Kamigo-Teraishi, Niigata
Size: juvenile
Matsumoto Arigasaki, Nagano
A bear was sighted in Arigasaki, Matsumoto City.
Matsumoto Arigasaki, Nagano
Size: Adult
Nozawaonsen Hirabayashi, Nagano
Spotted one cub approximately 300 m past Urushijima Bridge (Ōsawa Tunnel side) on Prefectural Road Tōma–Tsuchi Station Line.
Tokamachi, Niigata
Spotted one bear while driving on Prefectural Route 49.
Tsunan Kamigo-Teraishi, Niigata
Around 9:30 on July 13, a bear was sighted in Togura, Chikuma City, Nagano, and was captured.
Chikuma Togura, Nagano
One bear approximately 1 meter in length was sighted. It moved to the northeast (toward the Shinano River).
Tsunan Kamigo-Oidaira, Niigata
Sighted one cub of unknown size.
Tsunan Yachi, Niigata
Peak activity at 7:00 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, 39 bear sightings were reported within 5 km of the route. The past 7 days account for 6 of them.
The latest sighting was reported 1 day ago near Tsunan Kamigo-Teraishi, Niigata.
Recent sightings on this route peak around 7:00. Bears are generally most active at dawn and dusk.
This 200 km route runs from Mitsuke to Kaichi School, passing through Niigata and Nagano. In the past 30 days, 39 bear sightings were reported within 5 km of the route. The past 7 days account for 6 of them. The latest sighting was reported 1 day ago near Tsunan Kamigo-Teraishi, Niigata. This is an active bear corridor. Rerouting or rescheduling your hike is strongly advised.
