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This 250 km route runs from Anesaki Kofun Cluster to Komi, passing through Chiba, Nagano, Kanagawa, Tokyo, and Yamanashi. In the past 30 days, 42 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 Otsuki Otsukimachi-Hanasaki, Yamanashi.
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.
Otsuki Otsukimachi-Hanasaki, Yamanashi
Hokuto Nagasakacho-Hino, Yamanashi
Tsuru Ohata, Yamanashi
Nirasaki Okusamachiwakao, Yamanashi
Uenohara Ozone, Yamanashi
Tsuru Ohata, Yamanashi
Hokuto Takanecho-Nagasawa, Yamanashi
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
Walked from Nagasaka Ushii Pond toward Kitz Nagasaka Factory.
Hokuto Nagasakacho-Nagasakakamijo, Yamanashi
Hokuto Nagasakacho-Nagasakakamijo, Yamanashi
Hachioji, Tokyo
Hachioji, Tokyo
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
Tsuru Ohata, Yamanashi
Kōfu Shingyojicho, Yamanashi
Otsuki Nanahomachi-Asakawa, Yamanashi
Hokuto Sutamacho-Wakamiko-shinmachi, Yamanashi
Hokuto Sutamacho-Wakamiko-shinmachi, Yamanashi
Hachioji, Tokyo
Around the area heading from the Midori-ike trailhead toward Inagoyu, I repeatedly heard a sound coming from the forest on the right that I’d never heard before. When I got home and searched YouTube for bear sounds, I found the same sound posted there, so it was probably a bear’s call. Because it was frightening, I didn’t walk through the part of the forest with the eerie noise between Midori-ike and Inagoyu and descended by walking along the road.
Koumi, 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
Hachioji, Tokyo
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
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
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
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, 42 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 Otsuki Otsukimachi-Hanasaki, Yamanashi.
Recent sightings on this route peak around 5:00. Bears are generally most active at dawn and dusk.
This 250 km route runs from Anesaki Kofun Cluster to Komi, passing through Chiba, Nagano, Kanagawa, Tokyo, and Yamanashi. In the past 30 days, 42 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 Otsuki Otsukimachi-Hanasaki, Yamanashi. This is an active bear corridor. Drive through with full caution, but rerouting is the safer choice.
