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  4. Matsumoto Castle to Ariake yama Hiking Route

Matsumoto Castle to Ariake yama Hiking Route

Hiking · Very High Risk · 34 km · 2 stops · 41 sightings · Saved April 20, 2026 · Last updated 4 hours ago
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1
Incidents in last 7 days
41
Incidents in last 30 days
5 days ago
Latest

Safety Summary

This 34 km route runs from Matsumoto Castle to Ariake yama within Nagano. In the past 30 days, 41 bear sightings were reported within 5 km of the route. The past 7 days account for 1 of them. The latest sighting was reported 5 days ago near Ikeda, Nagano.

This is an active bear corridor. Rerouting or rescheduling your hike is strongly advised.

Your Route

Route Profile

Highlights Along Your Route (5)

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

Kaichi School
High Risk

Kaichi School

Nagano

423 incidents

Matsumoto Castle
High Risk

Matsumoto Castle

Nagano

422 incidents

Matsumoto City Timepiece Museum
Very High Risk

Matsumoto City Timepiece Museum

Nagano

431 incidents

Japan Ukiyo-e Museum
Very High Risk

Japan Ukiyo-e Museum

Nagano

481 incidents

Ariake yama
Moderate Risk

Ariake yama

Nagano

261 incidents

Kaichi School
High Risk

Kaichi School

Nagano

423 incidents

Matsumoto Castle
High Risk

Matsumoto Castle

Nagano

422 incidents

Matsumoto City Timepiece Museum
Very High Risk

Matsumoto City Timepiece Museum

Nagano

431 incidents

Japan Ukiyo-e Museum
Very High Risk

Japan Ukiyo-e Museum

Nagano

481 incidents

Ariake yama
Moderate Risk

Ariake yama

Nagano

261 incidents

Route Timeline

|
S
Matsumoto Castle, Nagano
Very High Risk 34 km 41 sightings within 5 km
Ikeda, Nagano

Size: Adult

Ikeda, Nagano

Official ·5 days ago
Azumino 穂高北穂高, Nagano

Size: unknown

Azumino 穂高北穂高, Nagano

Official ·1 week ago
Azumino 穂高有明, Nagano

On 2026-07-04 around 21:50, a bear was sighted in Hotaka Ariake, Azumino City, Nagano Prefecture.

Azumino 穂高有明, Nagano

News ·1 week ago
Show 38 more
Azumino, Nagano

While driving, discovered one bear standing/located by the roadside.

Azumino, Nagano

1 week ago

Size: Adult

Matsukawa, Nagano

Official ·1 week ago
Matsukawa, Nagano

Size: adult

Matsukawa, Nagano

Official ·1 week ago
Ikeda Aisome, Nagano

Size: Unknown

Ikeda Aisome, Nagano

Official ·1 week ago
Ikeda Aisome, Nagano

A bear was sighted in Aizome, Ikeda Town.

Ikeda Aisome, Nagano

News ·1 week ago
Ikeda Aisome, Nagano

Size: Unknown

Ikeda Aisome, Nagano

Official ·1 week ago
Azumino, Nagano

Size: juvenile

Azumino, Nagano

Official ·1 week ago
Azumino 明科光, Nagano

Size: Unknown

Azumino 明科光, Nagano

Official ·1 week ago
Matsumoto Hora, Nagano

Size: adult

Matsumoto Hora, Nagano

Official ·2 weeks ago
Matsumoto Hara, Nagano

Around 7 PM on 2026-06-27, a bear was sighted in Hara, Matsumoto City, Nagano Prefecture.

Matsumoto Hara, Nagano

News ·2 weeks ago
Matsumoto Asamaonsen, Nagano

Size: juvenile

Matsumoto Asamaonsen, Nagano

Official ·2 weeks ago
Azumino, Nagano

Size: juvenile

Azumino, Nagano

Official ·2 weeks ago
Matsumoto Satoyamabe, Nagano

Size: Adult

Matsumoto Satoyamabe, Nagano

Official ·2 weeks ago
Matsumoto Gojo, Nagano

Size: Unknown

Matsumoto Gojo, Nagano

Official ·2 weeks ago
Azumino 穂高有明, Nagano

Size: Unknown

Azumino 穂高有明, Nagano

Official ·2 weeks ago

Size: Unknown

Matsukawa, Nagano

Official ·2 weeks ago
Azumino 穂高牧, Nagano

Size: adult

Azumino 穂高牧, Nagano

Official ·2 weeks ago
Azumino 穂高有明, Nagano

Size: Adult

Azumino 穂高有明, Nagano

Official ·3 weeks ago
Azumino 穂高有明, Nagano

Size: Adult

Azumino 穂高有明, Nagano

Official ·3 weeks ago
Azumino, Nagano

Size: Adult

Azumino, Nagano

Official ·3 weeks ago
Matsumoto Shinbashi, Nagano

A bear believed to be an adult was sighted at Shiroyama Park in Matsumoto City.

Matsumoto Shinbashi, Nagano

News ·3 weeks ago
Matsumoto Shinbashi, Nagano

Size: unknown

Matsumoto Shinbashi, Nagano

Official ·3 weeks ago

It was eating something by the roadside. When a car approached, it disappeared into the grass.

Azumino, Nagano

3 weeks ago
Azumino 穂高, Nagano

Size: juvenile

Azumino 穂高, Nagano

Official ·3 weeks ago
Azumino 穂高, Nagano

Size: Juvenile

Azumino 穂高, Nagano

Official ·3 weeks ago

Size: cub (juvenile)

Azumino, Nagano

Official ·3 weeks ago
Azumino 穂高有明, Nagano

Size: adult

Azumino 穂高有明, Nagano

Official ·3 weeks ago
Azumino 穂高有明, Nagano

A bear was sighted in Hotaka Ariake, Azumino City.

Azumino 穂高有明, Nagano

News ·3 weeks ago
Matsumoto Miyabuchi-honmura, Nagano

One bear was sighted in a residential area of Miyabuchi, Matsumoto City; police searched but did not find it.

Matsumoto Miyabuchi-honmura, Nagano

News ·3 weeks ago
Matsumoto Shinbashi, Nagano

Size: Unknown

Matsumoto Shinbashi, Nagano

Official ·3 weeks ago
Matsumoto Miyabuchi-honmura, Nagano

Two bear sighting reports were received from residents in Miyabuchi 3, Matsumoto City.

Matsumoto Miyabuchi-honmura, Nagano

News ·3 weeks ago
Matsumoto Miyabuchi-honmura, Nagano

Size: unknown

Matsumoto Miyabuchi-honmura, Nagano

Official ·3 weeks ago
Matsumoto Shinbashi, Nagano

Around 12:20 on 2026-06-13, a bear was sighted in Shimauchi, Matsumoto City, Nagano Prefecture.

Matsumoto Shinbashi, Nagano

News ·1 month ago

Size: adult

Matsumoto Shimauchi, Nagano

Official ·1 month ago
Azumino, Nagano

While climbing a power line route, a creature suddenly ran away from the grassy verge about 2 meters away. It was about the size of a large dog, with short legs and coarse, jet-black hair on its back. This was the sixth time I had encountered a bear.

Azumino, Nagano

1 month ago
Azumino, Nagano

Size: adult (fully grown)

Azumino, Nagano

Official ·1 month ago

A bear was sighted in Okada-Shimookada, Matsumoto City.

Matsumoto Okada-Shimookada, Nagano

News ·1 month ago
Matsumoto Joyama, Nagano

A 110 emergency call reported seeing a bear in Jōyama, Matsumoto City.

Matsumoto Joyama, Nagano

News ·1 month ago
G
Ariake yama, Nagano
Total Distance: 34 km

When Are Bears Most Active?

Peak activity at 16:00 with 2 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, 41 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 5 days ago near Ikeda, Nagano.

What time of day are bears most active here?

Recent sightings on this route peak around 16:00. Bears are generally most active at dawn and dusk.

Is this route safe to travel right now?

This 34 km route runs from Matsumoto Castle to Ariake yama within Nagano. In the past 30 days, 41 bear sightings were reported within 5 km of the route. The past 7 days account for 1 of them. The latest sighting was reported 5 days ago near Ikeda, Nagano. This is an active bear corridor. Rerouting or rescheduling your hike is strongly advised.

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