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This 338 km route runs from Hoki Museum to Achi, passing through Chiba, Nagano, Kanagawa, Tokyo, and Yamanashi. In the past 30 days, 82 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 Fujimi, Nagano.
This is an active bear corridor. Drive through with full caution, but rerouting is the safer choice.
24 places within 1 km of your route, passing through Chiba, Nagano, Kanagawa, Tokyo, Yamanashi.
Size: unknown
Fujimi, 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 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
Size: adult with cubs
Iida Takinosawa, 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
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
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
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
Size: Adult
Fujimi, Nagano
Size: Adult
Fujimi, Nagano
Around noon on 2026-05-25, a bear was sighted in Fujimi, Fujimi Town, Nagano Prefecture.
Fujimi, Nagano
Otsuki Hatsukarimachi-Nakahatsukari, Yamanashi
Size: Juvenile
Ina Nakanohara, Nagano
Kōfu Nakabatakecho, Yamanashi
At approximately 6:00 PM on May 22, 2026 (Reiwa 8), there was a sighting of an animal believed to be a bear in the river near Matsueda Bridge in Narahara-machi, Hachioji City.
Hachioji Yotsuyamachi, Tokyo
Around 6:00 PM on 2026-05-22, an animal believed to be a bear was sighted in Naranohara-cho, Hachioji City, Tokyo.
Hachioji, Tokyo
Size: Adult
Minowa 大字中箕輪, Nagano
Size: adult
Okaya Minato, Nagano
Otsuki Tomihamamachi-Torisawa, Yamanashi
Uenohara Arata, Yamanashi
In the forests of Ina City (Hirasawa and Nishiminowa), Asiatic black bears were found caught in traps early on the morning of the 20th. In Hirasawa, a roughly 9-year-old female and a nearby cub were captured; in Nishiminowa Fukiage, a roughly 9-year-old female was trapped but the cub escaped. The three captured bears were handled according to prefectural policy.
Ina Masumigaoka, Nagano
Size: Unknown
Tatsuno 中央, Nagano
Size: Adult
Shiojiri Kyushiojiri, Nagano
Size: juvenile
Takamori Ushimaki, Nagano
At around 20:40 on May 17, 2026, a single bear about 50 cm long was sighted in a residential area about 60 meters south of Kimii-chi Nursery in Nakasu, Suwa City, Nagano Prefecture. Police arrived but the bear had already left; police and city officials patrolled the area the next morning and warned residents, and no damage has been confirmed.
Suwa Nakasu, Nagano
At around 19:40 on May 17, 2026, a bear about 1 meter long was sighted crossing the road north of Iida Cultural Hall in Takaba-cho, Iida City, Nagano Prefecture; police arrived but the bear had already left. On the morning of the 18th, police and city officials remained on alert and warned nearby residents, and no further sightings or damage have been reported.
Iida Takahacho, Nagano
On the night of May 17, 2026, one bear was sighted on a road in Takahachimachi, Iida City, Nagano Prefecture; a driver reported seeing it cross the road just after 7:30 p.m. Police and the city urged caution and carried out patrols on the morning of the 18th to coincide with children’s school commute times.
Iida Takahacho, Nagano
Hachioji, Tokyo
In Hachioji (Shimoonkata-cho), Tokyo, what appears to be a parent and cub of an Asian black bear were photographed on 2026-05-17 at 18:35. There are no reports of injuries or damage.
Hachioji, Tokyo
In Hachioji (Kamiongatamachi), Tokyo, a sensor camera installed by a resident captured two Asian black bears (believed to be a mother and cub) at around 18:35 on May 17. The city set box traps near the site and warned that mother bears can become aggressive when protecting their cubs.
Hachioji, Tokyo
Peak activity at 18:00 with 8 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, 82 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 Fujimi, Nagano.
Recent sightings on this route peak around 18:00. Bears are generally most active at dawn and dusk.
This 338 km route runs from Hoki Museum to Achi, passing through Chiba, Nagano, Kanagawa, Tokyo, and Yamanashi. In the past 30 days, 82 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 Fujimi, Nagano. This is an active bear corridor. Drive through with full caution, but rerouting is the safer choice.
