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This 279 km route runs from Inarimae Kofun Group to Achi, passing through Kanagawa, Nagano, Tokyo, and Yamanashi. In the past 30 days, 90 bear sightings were reported within 5 km of the route. The past 7 days account for 15 of them. The latest sighting was reported 1 day ago near Takamori Izuhara, Nagano.
This is an active bear corridor. Drive through with full caution, but rerouting is the safer choice.
9 places within 1 km of your route, passing through Kanagawa, Nagano, Tokyo, Yamanashi.
Size: juvenile
Takamori Izuhara, Nagano
Size: Adult
Iida 大休, Nagano
Otsuki Otsukimachi-Hanasaki, Yamanashi
Around 6:30 a.m. on June 22, one beekeeping box was found broken in the yard of a private home in Kitakata, Iida City, and the honeybee nest inside was missing. The city believes a bear likely caused the damage.
Iida Kitagata, Nagano
Size: juvenile
Komagane, Nagano
Size: Unknown
Iida, Nagano
Size: Adult
Komagane, Nagano
Size: adult
Fujimi, Nagano
Size: cub
Komagane, Nagano
Hokuto Nagasakacho-Hino, Yamanashi
Around 8:00 on June 19, two bears were reported sighted on a road in Kamigōkuroda, Iida City.
Iida Kamisatokuroda, Nagano
Tsuru Ohata, Yamanashi
Size: unknown
Iida 宮ノ上, Nagano
Size: juvenile
Fujimi, Nagano
Around 8:00 on 2026-06-19, a bear-like animal was sighted in Miyanoue, Iida City, Nagano Prefecture.
Iida 宮ノ上, Nagano
Nirasaki Okusamachiwakao, Yamanashi
Uenohara Ozone, Yamanashi
Size: cub (young bear)
Tatsuno 南平, Nagano
A bear was sighted in Fujimi, Fujimi Town, Nagano around 6:40 a.m. on June 15.
Fujimi, Nagano
A bear was sighted in Kamishima, Tatsuno Town, Nagano, around 18:00 on 2026-06-15.
Tatsuno 大字上島, Nagano
Size: adult
Tatsuno 大字上島, Nagano
A bear was sighted in Nakamura, Iida City, Nagano on June 15 around 7:30 PM.
Iida 中村, Nagano
Size: unknown
Fujimi, Nagano
Size: cub (young)
Iida, Nagano
Tsuru Ohata, Yamanashi
Size: adult
Tatsuno 大字上島, Nagano
One bear was found trapped in a snare along a forest road in Kawagishi, Okaya City, and was culled.
Okaya Kawagishi, Nagano
Size: Adult
Iida, Nagano
Size: Adult
Okaya Kawagishi, Nagano
Size: juvenile
Iida 大休, Nagano
Around 17:10 on June 11, a bear was sighted in Kami-shima, Tatsuno Town.
Tatsuno 大字上島, Nagano
Size: cub
Fujimi, Nagano
Size: Adult
Iida, Nagano
Size: adult and cub
Iida, Nagano
Size: young cub
Tatsuno 大字上島, Nagano
Size: juvenile
Minowa 大字中箕輪, Nagano
Size: adult with cub(s)
Iida, Nagano
Kōfu Atagomachi, Yamanashi
Sagamihara Magino, Kanagawa
Around 1:00 PM on 2026-06-09, an animal believed to be a bear was sighted in Makino, Midori Ward, Sagamihara City, Kanagawa Prefecture.
Sagamihara Magino, Kanagawa
Kōfu Ubaguchicho, Yamanashi
Size: Adult
Okaya Kawagishi, Nagano
Size: Adult
Okaya Kawagishi, Nagano
Walked from Nagasaka Ushii Pond toward Kitz Nagasaka Factory.
Hokuto Nagasakacho-Nagasakakamijo, Yamanashi
Hokuto Nagasakacho-Nagasakakamijo, Yamanashi
Hachioji, Tokyo
Atsugi Tanazawa, Kanagawa
Size: adult with cubs
Iida Takinosawa, Nagano
Hachioji, Tokyo
Size: cub (juvenile)
Shimojo, Nagano
Size: Unknown
Iida 宮ノ上, Nagano
Discovered footprints in the field that appear to be from a bear-like animal.
Hokuto Sutamacho-Wakamiko, Yamanashi
Hokuto Sutamacho-Wakamiko, Yamanashi
While descending the Inariyama course, I witnessed a black shape moving down the slope ahead. It was some distance away, so I cannot be certain.
Hachioji, Tokyo
Bear-like animal tracks were found in Sutama-cho Wakagami, Hokuto City.
Hokuto Sutamacho-Wakamiko, Yamanashi
Size: adult
Ina Nishimachi, Nagano
Tsuru Ohata, Yamanashi
Size: juvenile
Ina Nishiminowa, Nagano
Size: adult with cub(s)
Iida 大休, Nagano
Kōfu Shingyojicho, Yamanashi
Otsuki Nanahomachi-Asakawa, Yamanashi
Size: Adult
Okaya, Nagano
Hokuto Sutamacho-Wakamiko-shinmachi, Yamanashi
Hokuto Sutamacho-Wakamiko-shinmachi, Yamanashi
Size: adult
Ina Araiuchinokaya, Nagano
One bear was sighted walking through a field in Oizumi Shinden, Nishiminowa, Ina City, Nagano; later hunters and officials also confirmed it and saw it head north.
Ina, Nagano
Hachioji, Tokyo
Observed for about one second a black, rounded, quadrupedal animal about the size of a medium dog—possibly a bear cub or a wild boar—running roughly 30 meters uphill into the brush. Location: where the Onnazaka and Sawa trails merge on Mt. Takagawayama.
Otsuki Hatsukarimachi-Shimohatsukari, Yamanashi
Early on 2026-05-31, a bear-like animal was sighted in Moto-Hachioji-cho 3-chome, Hachioji City.
Hachioji, Tokyo
At approximately 5:10 a.m. on May 31, 2026, near the Otstuden Falls area within Hachioji Castle Ruins in Motohachiōji 3-chome, Hachioji City, there was a report of a bear growling. Since a bear was also sighted at the same location yesterday, please refrain from going out in the vicinity, and if you see a bear, call 110 from a safe location.
Hachioji, Tokyo
Hachioji, Tokyo
Size: juvenile
Iida 白山町, Nagano
Kōfu Yamamiyacho, Yamanashi
There was one Asiatic black bear (Tsukinowaguma) on the stairs descending from the rest/interaction area toward the Takao direction. It appeared to be large in size.
Hachioji, Tokyo
While descending the Inariyama course during trail running, I heard a loud rustling as if an animal was pushing through the bushes on my front left. When I looked toward the sound, I saw what appeared to be a black animal—likely a bear—running away quickly within about 50 meters. Although I was wearing sunglasses, it looked about 1–1.5 meters long, so I believe it was a bear. I had been running downhill with bear bells, so I think it noticed human presence and hurriedly fled. I didn’t have time to stop and take a photo, and the location is approximate. I was measuring distance by GPS as I ran, and it was just past 2 km from the summit, but I roughly identified the spot by comparing with someone’s recorded track on YAMAP. There may still be some margin of error. I posted this because there was a sighting reported yesterday at Yakoin.
Hachioji, Tokyo
Hachioji, Tokyo
At approximately 12:10 p.m. on May 30, 2026, a bear was sighted near the Goshuden Falls in the Hachioji Castle ruins area, Moto-Hachioji-cho 3-chome, Hachioji City.
Hachioji, Tokyo
Size: Unknown
Tatsuno 大字小野, Nagano
Around 18:25 on 2026-05-30, a bear was sighted in Hirasemachi, Kofu City.
Kōfu Hirasemachi, Yamanashi
Aikawa Hanbara, Kanagawa
Otsuki Otsukimachi-Otsuki, Yamanashi
Kōfu Tokojimachi, Yamanashi
Size: cub (juvenile)
Takamori Ushimaki, Nagano
Hokuto Kobuchisawacho, Yamanashi
From the hiking trail beside the old Koshu-kaido Sasago Tunnel, near Sasago Pass on the trail toward Mt. Sasago Karigaharasuri, I encountered a cub about 50 cm long approximately 50 meters ahead of my position. The cub ran up the slope on the left side of the trail, toward the Enzan side, from Sasago Pass and disappeared. I watched the same spot for about five minutes but did not see any adult bear.
Otsuki, Yamanashi
Size: Unknown
Toyooka Kumashiro, Nagano
Size: adult (fully grown)
Fujimi, Nagano
A bear was sighted in Sasagocho Yoshikubo, Otsuki City, around 2:10 PM on May 26.
Otsuki Sasagomachi-Yoshikubo, Yamanashi
Otsuki Sasagomachi-Shirano, Yamanashi
Kōfu Tokojimachi, Yamanashi
Peak activity at 5:00 with 4 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, 90 bear sightings were reported within 5 km of the route. The past 7 days account for 15 of them.
The latest sighting was reported 1 day ago near Takamori Izuhara, Nagano.
Recent sightings on this route peak around 5:00. Bears are generally most active at dawn and dusk.
This 279 km route runs from Inarimae Kofun Group to Achi, passing through Kanagawa, Nagano, Tokyo, and Yamanashi. In the past 30 days, 90 bear sightings were reported within 5 km of the route. The past 7 days account for 15 of them. The latest sighting was reported 1 day ago near Takamori Izuhara, Nagano. This is an active bear corridor. Drive through with full caution, but rerouting is the safer choice.
