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  4. Yahagi River to Iida Hiking Route

Yahagi River to Iida Hiking Route

Hiking · High Risk · 214 km · 2d 0h 10m · 4 stops · 18 sightings · Saved July 4, 2026 · Last updated 5 hours ago
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0 views
1
Incidents in last 7 days
18
Incidents in last 30 days
2 days ago
Latest

Safety Summary

This 214 km route runs from Yahagi River to Iida, passing through Nagano and Aichi. In the past 30 days, 18 bear sightings were reported within 5 km of the route. The past 7 days account for 1 of them. The latest sighting was reported 2 days ago near Yasuoka Shippeino, Nagano.

At this density of recent sightings, consider rescheduling or choosing a different trail until activity quiets.

Your Route

Route Profile

Highlights Along Your Route (4)

4 places within 1 km of your route, passing through Nagano, Aichi.

Yahagi River
Low Risk

Yahagi River

Nagano

484 incidents

Abirarosan
Low Risk

Abirarosan

Nagano

124 incidents

Chausuyama (Aichi)
Low Risk

Chausuyama (Aichi)

Nagano

43 incidents

Tenryū-Okumikawa Quasi-National Park
Low Risk

Tenryū-Okumikawa Quasi-National Park

Nagano

90 incidents

Yahagi River
Low Risk

Yahagi River

Nagano

484 incidents

Abirarosan
Low Risk

Abirarosan

Nagano

124 incidents

Chausuyama (Aichi)
Low Risk

Chausuyama (Aichi)

Nagano

43 incidents

Tenryū-Okumikawa Quasi-National Park
Low Risk

Tenryū-Okumikawa Quasi-National Park

Nagano

90 incidents

Route Timeline

|
S
Yahagi River, Nagano
High Risk 58 km 13h 25m 11 sightings within 5 km
Iida 大休, Nagano

Size: Adult

Iida 大休, Nagano

Official ·1 week ago
Iida 大休, Nagano

Size: Adult

Iida 大休, Nagano

Official ·2 weeks ago
Iida Kitagata, Nagano

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

News ·2 weeks ago
Show 8 more
Iida, Nagano

Size: Unknown

Iida, Nagano

Official ·2 weeks ago
Iida 中村, Nagano

A bear was sighted in Nakamura, Iida City, Nagano on June 15 around 7:30 PM.

Iida 中村, Nagano

News ·3 weeks ago
Iida, Nagano

Size: cub (young)

Iida, Nagano

Official ·3 weeks ago
Iida, Nagano

Size: Adult

Iida, Nagano

Official ·3 weeks ago
Iida 大休, Nagano

Size: juvenile

Iida 大休, Nagano

Official ·3 weeks ago
Achi, Nagano

Size: adult

Achi, Nagano

Official ·1 month ago
Iida, Nagano

Size: adult and cub

Iida, Nagano

Official ·1 month ago
Iida, Nagano

Size: adult with cub(s)

Iida, Nagano

Official ·1 month ago
1
Abirarosan, Nagano
High Risk 90 km 19h 14m 13 sightings within 5 km
Iida 大休, Nagano

Size: Adult

Iida 大休, Nagano

Official ·1 week ago

Toyone Sakauba, Aichi

Official ·2 weeks ago
Iida 大休, Nagano

Size: Adult

Iida 大休, Nagano

Official ·2 weeks ago
Show 10 more
Neba Mukaikuroji, Nagano

Size: Adult (full-grown)

Neba Mukaikuroji, Nagano

Official ·2 weeks ago
Iida Kitagata, Nagano

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

News ·2 weeks ago
Iida, Nagano

Size: Unknown

Iida, Nagano

Official ·2 weeks ago
Iida 中村, Nagano

A bear was sighted in Nakamura, Iida City, Nagano on June 15 around 7:30 PM.

Iida 中村, Nagano

News ·3 weeks ago
Iida, Nagano

Size: cub (young)

Iida, Nagano

Official ·3 weeks ago
Iida, Nagano

Size: Adult

Iida, Nagano

Official ·3 weeks ago
Iida 大休, Nagano

Size: juvenile

Iida 大休, Nagano

Official ·3 weeks ago
Achi, Nagano

Size: adult

Achi, Nagano

Official ·1 month ago
Iida, Nagano

Size: adult and cub

Iida, Nagano

Official ·1 month ago
Iida, Nagano

Size: adult with cub(s)

Iida, Nagano

Official ·1 month ago
2
Shitara, Aichi
Moderate Risk 66 km 15h 30m 7 sightings within 5 km
Yasuoka Shippeino, Nagano

Size: juvenile

Yasuoka Shippeino, Nagano

Official ·2 days ago

One male Asiatic black bear was trapped and captured in Misawa, Toyone Village, Aichi Prefecture.

Toyone Misawa, Aichi

News ·1 week ago

Toyone Sakauba, Aichi

Official ·2 weeks ago
Show 4 more
Neba Mukaikuroji, Nagano

Size: Adult (full-grown)

Neba Mukaikuroji, Nagano

Official ·2 weeks ago
Anan Nishijo, Nagano

Size: juvenile

Anan Nishijo, Nagano

Official ·2 weeks ago
Iida, Nagano

Size: juvenile

Iida, Nagano

Official ·2 weeks ago
Urugi, Nagano

Size: adult (fully grown)

Urugi, Nagano

Official ·2 weeks ago
G
Iida, Nagano
Total Distance: 214 km

When Are Bears Most Active?

Peak activity at 6:00 with 1 incidents

Asian black bears on your route

Asian Black Bear

Asian Black Bear

Ursus thibetanus japonicus

Range
Honshu, Shikoku
Size
80–120 kg
Active
Dawn & dusk

Sharing space safely

  • ·Make noise as you walk; carry bear spray
  • ·If charged, stand firm and use the spray
  • ·If contact happens, resist firmly. They retreat when met with resistance
  • ·Don't climb. They climb better than you

Safety Checklist

Hiking in bear country

Safety picks and trail essentials, top-rated on Amazon and Rakuten.

Emergency Contacts

110
Police
119
Fire/Ambulance

For mountain rescue, call 110 (police). They will coordinate with local rescue teams.

Bear risk analysis map showing route with safety levels

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Frequently Asked Questions About This Route

How many bear sightings are on this route?

In the past 30 days, 18 bear sightings were reported within 5 km of the route. The past 7 days account for 1 of them.

When and where was the most recent bear sighting near this route?

The latest sighting was reported 2 days ago near Yasuoka Shippeino, Nagano.

What time of day are bears most active here?

Recent sightings on this route peak around 6:00. Bears are generally most active at dawn and dusk.

Is this route safe to travel right now?

This 214 km route runs from Yahagi River to Iida, passing through Nagano and Aichi. In the past 30 days, 18 bear sightings were reported within 5 km of the route. The past 7 days account for 1 of them. The latest sighting was reported 2 days ago near Yasuoka Shippeino, Nagano. At this density of recent sightings, consider rescheduling or choosing a different trail until activity quiets.

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