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  4. Mount Kusatsu-Shirane to Tsumagoi Cycling Route

Mount Kusatsu-Shirane to Tsumagoi Cycling Route

Cycling · High Risk · 24 km · 1h 25m · 3 stops · 18 sightings · Saved May 23, 2026 · Last updated 23 hours ago
Lorelei NeutralLisa Wischofskyhttps://www.figma.com/community/file/1198749693280469639https://creativecommons.org/publicdomain/zero/1.0/Remix of „Lorelei Neutral” (https://www.figma.com/community/file/1198749693280469639) by „Lisa Wischofsky”, licensed under „CC0 1.0” (https://creativecommons.org/publicdomain/zero/1.0/)
Bright Drifter @guide-bf5df574
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Saves as a new trip plan. The original stays as-is.

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Incidents in last 7 days
18
Incidents in last 30 days
1 week ago
Latest

Safety Summary

This 24 km route runs from Mount Kusatsu-Shirane to Tsumagoi within Gunma. In the past 30 days, 18 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 Tsumagoi, Gunma.

At this density of recent sightings, reroute or postpone your ride until activity quiets.

Your Route

Route Profile

Highlights Along Your Route (2)

2 places within 1 km of your route, passing through Gunma.

Mount Kusatsu-Shirane
Moderate Risk

Mount Kusatsu-Shirane

Gunma

240 incidents

HonShirone yama
Moderate Risk

HonShirone yama

Gunma

239 incidents

Mount Kusatsu-Shirane
Moderate Risk

Mount Kusatsu-Shirane

Gunma

240 incidents

HonShirone yama
Moderate Risk

HonShirone yama

Gunma

239 incidents

Route Timeline

|
S
Mount Kusatsu-Shirane, Gunma
Moderate Risk 358 m Includes steps 1 sightings within 5 km
Kusatsu, Gunma

A large bear about 2 meters tall appeared from the top of the mountain. The moment it made eye contact with me, it ran away (no hostility). Plump body.

Kusatsu, Gunma

3 weeks ago
1
Mount Kusatsu-Shirane, Gunma
High Risk 23 km 1h 25m 18 sightings within 5 km
Tsumagoi, Gunma

Tsumagoi, Gunma

Official ·1 week ago
Tsumagoi Omae, Gunma

Tsumagoi Omae, Gunma

Official ·1 week ago
Tsumagoi Ozasa, Gunma

Tsumagoi Ozasa, Gunma

Official ·2 weeks ago
Show 15 more
Tsumagoi Saikubo, Gunma

Tsumagoi Saikubo, Gunma

Official ·2 weeks ago
Tsumagoi Ashiuda, Gunma

Tsumagoi Ashiuda, Gunma

Official ·2 weeks ago
Kusatsu, Gunma

Kusatsu, Gunma

Official ·2 weeks ago
Kusatsu, Gunma

Cub, body length 50 cm, crossing the road. Police notified. Just before the melody line (rumble strips).

Kusatsu, Gunma

3 weeks ago
Kusatsu, Gunma

A large bear about 2 meters tall appeared from the top of the mountain. The moment it made eye contact with me, it ran away (no hostility). Plump body.

Kusatsu, Gunma

3 weeks ago
Kusatsu, Gunma

Kusatsu, Gunma

Official ·3 weeks ago
Tsumagoi Omae, Gunma

Around 10:00 on July 4, a bear was sighted in Kamahara, Tsumagoi Village, Gunma Prefecture.

Tsumagoi Omae, Gunma

News ·3 weeks ago
Tsumagoi Imai, Gunma

Tsumagoi Imai, Gunma

Official ·3 weeks ago
Tsumagoi Imai, Gunma

Tsumagoi Imai, Gunma

Official ·3 weeks ago
Tsumagoi Ashiuda, Gunma

Tsumagoi Ashiuda, Gunma

Official ·3 weeks ago
Tsumagoi Omae, Gunma

Tsumagoi Omae, Gunma

Official ·3 weeks ago
Tsumagoi Tashiro, Gunma

Tsumagoi Tashiro, Gunma

Official ·3 weeks ago
Tsumagoi Saikubo, Gunma

Tsumagoi Saikubo, Gunma

Official ·3 weeks ago
Tsumagoi Saikubo, Gunma

Tsumagoi Saikubo, Gunma

Official ·3 weeks ago
Tsumagoi Omae, Gunma

Tsumagoi Omae, Gunma

Official ·1 month ago
G
Tsumagoi, Gunma
Total Distance: 24 km

When Are Bears Most Active?

Peak activity at 18:00 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.

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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. 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 Tsumagoi, Gunma.

What time of day are bears most active here?

Recent sightings on this route peak around 18:00. Bears are generally most active at dawn and dusk.

Is this route safe to travel right now?

This 24 km route runs from Mount Kusatsu-Shirane to Tsumagoi within Gunma. In the past 30 days, 18 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 Tsumagoi, Gunma. At this density of recent sightings, reroute or postpone your ride until activity quiets.

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