Kumamap Kumamap Kumamap
Map Areas Trip Planner Sponsor Alerts Report
English 日本語 한국어 简体中文 繁體中文 ไทย
Sign in
Sign in
Map Areas Trip Planner Sponsor Alerts Report
English 日本語 한국어 简体中文 繁體中文 ไทย
  1. Home
  2. Trip Planner
  3. Trip Reports
  4. Tsuru to Ashio Copper Mine Hiking Route

Tsuru to Ashio Copper Mine Hiking Route

Hiking · High Risk · 198 km · 1d 17h 23m · 2 stops · 13 sightings · Saved July 18, 2026 · Last updated 10 hours ago
Customize this trip

Saves as a new trip plan. The original stays as-is.

0 views
0
Incidents in last 7 days
13
Incidents in last 30 days
1 week ago
Latest

Safety Summary

This 198 km route runs from Tsuru to Ashio Copper Mine, passing through Yamanashi, Tochigi, Gunma, Kanagawa, Saitama, and Tokyo. In the past 30 days, 13 bear sightings were reported within 5 km of the route. No reports were recorded in the past 7 days. The latest sighting was reported 1 week ago near Sano 作原町, Tochigi.

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

Your Route

Route Profile

Highlights Along Your Route (3)

3 places within 1 km of your route, passing through Yamanashi, Tochigi, Gunma, Kanagawa, Saitama, Tokyo.

Koma River
Low Risk

Koma River

Saitama

65 incidents

Onrin-ji Temple
Low Risk

Onrin-ji Temple

Gunma

181 incidents

Ashio Copper Mine
Moderate Risk

Ashio Copper Mine

Tochigi

278 incidents

Koma River
Low Risk

Koma River

Saitama

65 incidents

Onrin-ji Temple
Low Risk

Onrin-ji Temple

Gunma

181 incidents

Ashio Copper Mine
Moderate Risk

Ashio Copper Mine

Tochigi

278 incidents

Route Timeline

|
S
Tsuru, Yamanashi
High Risk 198 km 1d 17h 23m 13 sightings within 5 km
Sano 作原町, Tochigi

In Sakurakicho, Sano City, a man in his 70s was attacked by a bear while hiking and suffered a facial injury.

Sano 作原町, Tochigi

News ·1 week ago

A mother bear and two cubs were sighted near a community center in Asari, Nigoka-cho, Otsuki City.

Otsuki Nigiokamachi-Asari, Yamanashi

News ·1 week ago
Otsuki Nigiokamachi-Asari, Yamanashi

Otsuki Nigiokamachi-Asari, Yamanashi

Official ·1 week ago
Show 10 more

I was walking from Iwadono Mountain toward Chigo-Otoshi. Just as I was about to reach Chigo-Otoshi, I encountered a bear cub.

Otsuki Nigiokamachi-Yurigaoka, Yamanashi

1 week ago
Otsuki Nigiokamachi-Yurigaoka, Yamanashi

A bear was sighted in Shigenokamachi Kozuse, Otsuki City.

Otsuki Nigiokamachi-Yurigaoka, Yamanashi

News ·1 week ago

Around 23:50 on July 15, a bear was sighted in Kamikatsuo, Kanuma City.

Kanuma 上粕尾, Tochigi

News ·1 week ago

Ashikaga 西宮町, Tochigi

Official ·2 weeks ago

Tsuru Shimoya, Yamanashi

Official ·2 weeks ago

Hachioji, Tokyo

Official ·2 weeks ago

Nikkō 足尾町遠下, Tochigi

Official ·3 weeks ago
Ashikaga 西宮町, Tochigi

Ashikaga 西宮町, Tochigi

Official ·3 weeks ago

It ran through the trees alongside the trail just before Ryogaiyama.

Ashikaga 江川町, Tochigi

3 weeks ago

Hachioji, Tokyo

Official ·1 month ago
G
Ashio Copper Mine, Tochigi
Total Distance: 198 km

When Are Bears Most Active?

Peak activity at 11:00 with 3 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

Like what you see? Plan your own.

Draw any route in Japan and get the same bear-safety report, built around the trip you're actually taking.

  • Same incident database powering this report
  • Risk forecast tuned to your exact route
  • Free, instant, no sign-up
Plan my route Browse more trips

Comments (0)

0/2000

No comments yet.

Frequently Asked Questions About This Route

How many bear sightings are on this route?

In the past 30 days, 13 bear sightings were reported within 5 km of the route. No reports were recorded in the past 7 days.

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

The latest sighting was reported 1 week ago near Sano 作原町, Tochigi.

What time of day are bears most active here?

Recent sightings on this route peak around 11:00. Bears are generally most active at dawn and dusk.

Is this route safe to travel right now?

This 198 km route runs from Tsuru to Ashio Copper Mine, passing through Yamanashi, Tochigi, Gunma, Kanagawa, Saitama, and Tokyo. In the past 30 days, 13 bear sightings were reported within 5 km of the route. No reports were recorded in the past 7 days. The latest sighting was reported 1 week ago near Sano 作原町, Tochigi. At this density of recent sightings, consider rescheduling or choosing a different trail until activity quiets.

Back to Trip Reports
Kumamap Kumamap

Track bear incidents across Japan. Stay safe outdoors.

Explore

Map Account Areas Places of Interest Predictions Near Me Trip Planner Trip Reports Community Alerts Gear

Learn

Bear Safety Guides Blog News Data FAQ

Mobile

iOS App Android App LINE WhatsApp

Company

About Contact Report Sponsor

Legal

Privacy Terms Commercial Disclosure
Sponsor
mistweaverco.com mistweaverco.com
© 2026 Kumamap