Saves as a new trip plan. The original stays as-is.
This 158 km route runs from Iwakura Onsen to Saku, passing through Tokyo, Saitama, Gunma, and Nagano. In the past 30 days, 35 bear sightings were reported within 5 km of the route. The past 7 days account for 3 of them. The latest sighting was reported 2 days ago near Annaka 松井田町上増田, Gunma.
This is an active bear corridor. Reroute or postpone until activity quiets.
7 places within 1 km of your route, passing through Tokyo, Saitama, Gunma, Nagano.
At around 22:55 on 2026-06-23, an animal resembling a bear, about 1 meter long, was sighted in Azu, Hanno City, Saitama Prefecture. No one was injured.
Hanno Oaza Azu, Saitama
A bear-like animal was sighted in Shimbori, Hidaka City, and a black shadow appeared on the reporter's car dashcam.
Hidaka 新堀, Saitama
Hanno 小岩井, Saitama
A bear cub was sighted in Koiwai, Hannō City.
Hanno 大字小岩井, Saitama
A bear about 1 meter long was sighted in Koma-Hongō, Hidaka City, around 3:00 PM on June 7; no one was injured.
Hidaka 高麗本郷, Saitama
A bear was sighted in Asuwa, Moroyama Town, Saitama Prefecture.
Moroyama 阿諏訪, Saitama
At around 22:55 on 2026-06-23, an animal resembling a bear, about 1 meter long, was sighted in Azu, Hanno City, Saitama Prefecture. No one was injured.
Hanno Oaza Azu, Saitama
A bear-like animal was sighted in Shimbori, Hidaka City, and a black shadow appeared on the reporter's car dashcam.
Hidaka 新堀, Saitama
Hanno 小岩井, Saitama
A bear cub was sighted in Koiwai, Hannō City.
Hanno 大字小岩井, Saitama
A bear about 1 meter long was sighted in Koma-Hongō, Hidaka City, around 3:00 PM on June 7; no one was injured.
Hidaka 高麗本郷, Saitama
A bear was sighted in Kamimasuda, Matsuida-machi, Annaka City.
Annaka 松井田町上増田, Gunma
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
Around 21:50 on 2026-06-13, a bear was sighted in Yokokawa, Matsuidamachi, Annaka, Gunma.
Annaka 松井田町横川, Gunma
Annaka 松井田町土塩, Gunma
Tomioka 妙義町菅原, Gunma
Annaka 松井田町土塩, Gunma
An animal believed to be a bear was sighted in Yokokawa, Matsuida-machi, Annaka City.
Annaka 松井田町横川, Gunma
A bear was sighted in Kamimasuda, Matsuida-machi, Annaka City.
Annaka 松井田町上増田, Gunma
Size: Unknown
Komoro Kamasu, 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: cub (juvenile)
Karuizawa 大字長倉, Nagano
Size: adult
Karuizawa 大字追分, Nagano
Shimonita Nishinomaki, Gunma
Size: Adult
Karuizawa 大字追分, Nagano
Size: Unknown
Karuizawa 大字長倉, Nagano
Around 17:45 on 2026-06-14, a bear was sighted in Nagakura, Karuizawa Town, Nagano Prefecture.
Karuizawa 中軽井沢, Nagano
Around 21:50 on 2026-06-13, a bear was sighted in Yokokawa, Matsuidamachi, Annaka, Gunma.
Annaka 松井田町横川, Gunma
Size: adult
Komoro Takibara, Nagano
Annaka 松井田町土塩, Gunma
Annaka 松井田町土塩, Gunma
Size: Adult
Karuizawa 大字長倉, Nagano
Size: adult (fully grown)
Karuizawa 大字長倉, Nagano
Size: juvenile
Karuizawa 中軽井沢, Nagano
An animal believed to be a bear was sighted in Yokokawa, Matsuida-machi, Annaka City.
Annaka 松井田町横川, Gunma
A bear was sighted in Nagakura, Karuizawa Town, around 9:30 AM on June 5.
Karuizawa 中軽井沢, Nagano
Size: Adult
Karuizawa, Nagano
Size: adult with cub
Karuizawa, Nagano
On 2026-06-02 around noon, a bear was sighted in Karuizawa, Karuizawa Town, Nagano Prefecture.
Karuizawa 大字軽井沢, Nagano
Peak activity at 16:00 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.
Draw any route in Japan and get the same bear-safety report, built around the trip you're actually taking.
No comments yet.
In the past 30 days, 35 bear sightings were reported within 5 km of the route. The past 7 days account for 3 of them.
The latest sighting was reported 2 days ago near Annaka 松井田町上増田, Gunma.
Recent sightings on this route peak around 16:00. Bears are generally most active at dawn and dusk.
This 158 km route runs from Iwakura Onsen to Saku, passing through Tokyo, Saitama, Gunma, and Nagano. In the past 30 days, 35 bear sightings were reported within 5 km of the route. The past 7 days account for 3 of them. The latest sighting was reported 2 days ago near Annaka 松井田町上増田, Gunma. This is an active bear corridor. Reroute or postpone until activity quiets.
