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  4. Lake Okutama to Mount Daibosatsu Hiking Route

Lake Okutama to Mount Daibosatsu Hiking Route

Hiking · High Risk · 23 km · 6h 30m · 2 stops · 15 sightings · Saved May 28, 2026 · Last updated 57 minutes 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/)
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Incidents in last 7 days
15
Incidents in last 30 days
1 day ago
Latest

Safety Summary

This 23 km route runs from Lake Okutama to Mount Daibosatsu, passing through Tokyo and Yamanashi. In the past 30 days, 15 bear sightings were reported within 5 km of the route. The past 7 days account for 1 of them. The latest sighting was reported 1 day ago near Kosuge, Yamanashi.

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

Your Route

Route Profile

Highlights Along Your Route (2)

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

Lake Okutama
Moderate Risk

Lake Okutama

Tokyo

824 incidents

Mount Daibosatsu
Low Risk

Mount Daibosatsu

Yamanashi

96 incidents

Lake Okutama
Moderate Risk

Lake Okutama

Tokyo

824 incidents

Mount Daibosatsu
Low Risk

Mount Daibosatsu

Yamanashi

96 incidents

Route Timeline

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S
Lake Okutama, Tokyo
High Risk 23 km 6h 30m 15 sightings within 5 km
Kosuge, Yamanashi

Kosuge, Yamanashi

Official ·1 day ago
Kosuge 田口, Yamanashi

Under the right guardrail is a river, and wet footprints continued for several tens of meters. Along the way there was a strong animal odor and the presence of a bear was felt.

Kosuge 田口, Yamanashi

1 week ago
Kosuge, Yamanashi

A bear carrying a fawn was startled by people, dropped the fawn, and ran away. Its body length was about 1 meter.

Kosuge, Yamanashi

1 week ago
Show 12 more
Tokyo Kochi, Tokyo

Tokyo Kochi, Tokyo

Official ·1 week ago

Tokyo, Tokyo

Official ·1 week ago
Otsuki, Yamanashi

It was in the valley on the left about 20 meters ahead, roughly 20 minutes up from the Ōtōge trailhead toward Kurodake. While I was descending, it noticed the bear bell and ran away. It didn't seem to be an aggressive individual, but please be careful.

Otsuki, Yamanashi

2 weeks ago

Kosuge 田元, Yamanashi

Official ·2 weeks ago

Tokyo Kochi, Tokyo

Official ·2 weeks ago
Tokyo Kochi, Tokyo

Tokyo Kochi, Tokyo

Official ·3 weeks ago
Tokyo Tozura, Tokyo

Tokyo Tozura, Tokyo

Official ·3 weeks ago
Tokyo Tozura, Tokyo

Tokyo Tozura, Tokyo

Official ·3 weeks ago

Encountered an adult bear about 160 cm tall

Tokyo, Tokyo

1 month ago

Around noon on the 17th, a Russian man in his 30s was attacked by a bear near the end of the Konakazawa forest road in Okutama (border area) and sustained injuries to his arm and face; he was airlifted by Tokyo Fire Department helicopter to a hospital. He was conscious and is believed to have serious injuries; he was not carrying bear-deterrent devices such as a bell, and the town has set capture cages and urged people to avoid nearby trails.

Tokyo Sakai, Tokyo

News ·1 month ago

On May 17 at around 11:55, a man in his 30s of Russian nationality was attacked by an adult Asiatic black bear on Mt. Minokido (Sannokido) in Okutama-machi, Tokyo, sustaining serious injuries to his face and arms. He was airlifted by a fire department helicopter to a hospital in Hachioji and is not in life-threatening condition; he was hiking alone without a bear bell and the bear fled immediately after the attack.

Tokyo Sakai, Tokyo

News ·1 month ago

Tokyo Kochi, Tokyo

Official ·1 month ago
G
Mount Daibosatsu, Yamanashi
Total Distance: 23 km

When Are Bears Most Active?

Peak activity at 10:00 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.

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Frequently Asked Questions About This Route

How many bear sightings are on this route?

In the past 30 days, 15 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 1 day ago near Kosuge, Yamanashi.

What time of day are bears most active here?

Recent sightings on this route peak around 10:00. Bears are generally most active at dawn and dusk.

Is this route safe to travel right now?

This 23 km route runs from Lake Okutama to Mount Daibosatsu, passing through Tokyo and Yamanashi. In the past 30 days, 15 bear sightings were reported within 5 km of the route. The past 7 days account for 1 of them. The latest sighting was reported 1 day ago near Kosuge, Yamanashi. At this density of recent sightings, consider rescheduling or choosing a different trail until activity quiets.

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