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  4. Mount Zaō to Mount Gassan Drive

Mount Zaō to Mount Gassan Drive

Driving · Very High Risk · 142 km · 3h 26m · 3 stops · 64 sightings · Saved May 26, 2026 · Last updated 59 minutes ago
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14
Incidents in last 7 days
64
Incidents in last 30 days
7 hours ago
Latest

Safety Summary

This 142 km route runs from Mount Zaō to Mount Gassan within Yamagata. In the past 30 days, 64 bear sightings were reported within 5 km of the route. The past 7 days account for 14 of them. The latest sighting was reported 7 hours ago near Tsuruoka, Yamagata.

This is an active bear corridor. Drive through with full caution, but rerouting is the safer choice.

Your Route

Route Profile

Highlights Along Your Route (4)

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

Mount Zaō
Moderate Risk

Mount Zaō

Yamagata

399 incidents

Mount Zaō
Moderate Risk

Mount Zaō

Yamagata

399 incidents

Mount Asahi (Yamagata)
Low Risk

Mount Asahi (Yamagata)

Yamagata

No incidents

Mount Gassan
Low Risk

Mount Gassan

Yamagata

54 incidents

Mount Zaō
Moderate Risk

Mount Zaō

Yamagata

399 incidents

Mount Zaō
Moderate Risk

Mount Zaō

Yamagata

399 incidents

Mount Asahi (Yamagata)
Low Risk

Mount Asahi (Yamagata)

Yamagata

No incidents

Mount Gassan
Low Risk

Mount Gassan

Yamagata

54 incidents

Route Timeline

|
S
Mount Zaō, Yamagata
Very High Risk 102 km 2h 30m 61 sightings within 5 km
Oe 大字原田, Yamagata

Sighting reported near Harada Bridge / Environment: Around residential area / Size: Unknown

Oe 大字原田, Yamagata

Official ·14 hours ago
Yamagata Zao-onsen, Yamagata

One bear approximately 60 cm in body length sighted on the road / Environment: road / Size: cub

Yamagata Zao-onsen, Yamagata

Official ·1 day ago
Yamagata Zao-onsen, Yamagata

One bear approximately 50 cm in body length sighted on the road / Environment: road / Size: juvenile

Yamagata Zao-onsen, Yamagata

Official ·1 day ago
Show 58 more
Yamagata Zao-onsen, Yamagata

A bear was sighted in Zao Onsen, Yamagata City.

Yamagata Zao-onsen, Yamagata

News ·1 day ago
Sagae 大字宮内, Yamagata

Environment: Near human habitation / Size: Adult

Sagae 大字宮内, Yamagata

Official ·2 days ago

Environment: Farmland / Size: Adult

Sagae 大字宮内, Yamagata

Official ·2 days ago
Sagae 大字清助新田, Yamagata

A bear about 1 meter long was sighted near a residence in Seisukeshinden, Sagae City.

Sagae 大字清助新田, Yamagata

News ·2 days ago
Sagae 大字清助新田, Yamagata

Environment: Near inhabited areas / Size: Adult

Sagae 大字清助新田, Yamagata

Official ·2 days ago
Yamagata Nakasakurada, Yamagata

While driving south (toward the mountain side), I saw one bear walking south on the left side of the road. It then entered the woods beside the road. Body length about 1 m. / Environment: Road / Size: Adult

Yamagata Nakasakurada, Yamagata

Official ·3 days ago
Yamagata Nakasakurada, Yamagata

One bear about 1 meter long was seen on a road in Nakazukada, Yamagata City, walking south before entering the woods beside the road.

Yamagata Nakasakurada, Yamagata

News ·3 days ago
Yamagata Zao-onsen, Yamagata

Two bears were sighted moving east / Environment: forest / Size: adult and juvenile

Yamagata Zao-onsen, Yamagata

Official ·4 days ago
Sagae 大字留場, Yamagata

Environment: Around residential area / Size: Adult

Sagae 大字留場, Yamagata

Official ·4 days ago
Yamagata Zao-onsen, Yamagata

While driving in the mountains, one cub was sighted / Environment: forest / Size: juvenile

Yamagata Zao-onsen, Yamagata

Official ·6 days ago
Yamagata Monden, Yamagata

A bear about 50 cm in body length was sighted moving north. / Environment: Road / Size: Juvenile

Yamagata Monden, Yamagata

Official ·1 week ago

A bear was sighted in Tosaka, Yamagata City, around 08:30 on June 29.

Yamagata Tsuchizaka, Yamagata

News ·1 week ago
Yamagata Nakasakurada, Yamagata

A bear about 1 m in length was observed crossing the road from north to south. Its subsequent whereabouts are unknown. / Environment: road / Size: adult

Yamagata Nakasakurada, Yamagata

Official ·2 weeks ago

A bear-like animal of unknown body length was sighted near the gazebo on Kumomi Hill. Its subsequent whereabouts are unknown. / Environment: Yuso Hill / Size: Unknown

Yamagata Kamisakurada, Yamagata

Official ·2 weeks ago

Environment: Riverbank / Size: Unknown

Nishikawa, Yamagata

Official ·2 weeks ago

A bear-like animal was sighted at Yuso-no-oka park in Kamisakurada, Yamagata City.

Yamagata Kamisakurada, Yamagata

News ·2 weeks ago
Yamagata Zao-Uwano, Yamagata

One bear was sighted in Zaou Ueno, Yamagata City.

Yamagata Zao-Uwano, Yamagata

News ·2 weeks ago
Yamagata Nakasakurada, Yamagata

While driving toward Yamagata city, I observed one bear crossing the road eastward (toward the mountains). Estimated body length about 1 m. / Environment: road / Size: adult

Yamagata Nakasakurada, Yamagata

Official ·2 weeks ago
Nishikawa, Yamagata

Environment: Road / Size: Juvenile

Nishikawa, Yamagata

Official ·2 weeks ago

Observed an adult bear moving in a mixed broadleaf grove. / Environment: mixed broadleaf grove / Size: adult

Yamagata Minamihango, Yamagata

Official ·2 weeks ago

One bear sighted while walking / Environment: forest / Size: adult

Yamagata Kamisakurada, Yamagata

Official ·2 weeks ago

One bear was sighted on the north side of Yuso no Oka in Kamisakurada, Yamagata City.

Yamagata Kamisakurada, Yamagata

News ·2 weeks ago

One bear was sighted in a wooded area in Zao Hango, Yamagata City.

Yamagata Higashihango, Yamagata

News ·2 weeks ago
Yamagata Kunugizawanishi, Yamagata

Environment: Riverbed / Size: Unknown

Yamagata Kunugizawanishi, Yamagata

Official ·2 weeks ago
Nishikawa, Yamagata

Environment: Near residential area / Size: Juvenile

Nishikawa, Yamagata

Official ·2 weeks ago
Sagae 字上河原, Yamagata

A bear about 1 meter long was sighted in Kamigawara, Sagae City.

Sagae 字上河原, Yamagata

News ·3 weeks ago

Environment: Near residential area / Size: Adult

Sagae 字上河原, Yamagata

Official ·3 weeks ago
Sagae 字上河原, Yamagata

Environment: Near houses / Size: Adult

Sagae 字上河原, Yamagata

Official ·3 weeks ago
Nishikawa, Yamagata

Environment: Near residential area / Size: Adult

Nishikawa, Yamagata

Official ·3 weeks ago
Sagae 大字清助新田, Yamagata

Environment: Near residences / Size: Adult

Sagae 大字清助新田, Yamagata

Official ·3 weeks ago
Sagae 緑町, Yamagata

Environment: Near human habitation / Size: Adult

Sagae 緑町, Yamagata

Official ·3 weeks ago

Environment: Forest / Size: Adult

Sagae 緑町, Yamagata

Official ·3 weeks ago
Sagae 大字清助新田, Yamagata

Environment: Near human dwellings / Size: Adult

Sagae 大字清助新田, Yamagata

Official ·3 weeks ago

Environment: Near residential area / Size: Adult

Sagae 大字西根, Yamagata

Official ·3 weeks ago

Environment: Near residences / Size: Unknown

Nishikawa, Yamagata

Official ·3 weeks ago
Sagae 大字清助新田, Yamagata

Environment: Near houses / Size: Adult

Sagae 大字清助新田, Yamagata

Official ·3 weeks ago

Environment: Near residences / Size: Adult

Sagae 緑町, Yamagata

Official ·3 weeks ago

Environment: Near houses / Size: Adult

Sagae 緑町, Yamagata

Official ·3 weeks ago
Sagae 大字清助新田, Yamagata

Environment: Near human habitation / Size: Adult

Sagae 大字清助新田, Yamagata

Official ·3 weeks ago

One bear was sighted in Oisawa, Nishikawa Town, Yamagata Prefecture.

Nishikawa 大字大井沢, Yamagata

News ·3 weeks ago
Yamagata Iwanami, Yamagata

Spotted one bear on the roadway while walking / Environment: road / Size: adult

Yamagata Iwanami, Yamagata

Official ·3 weeks ago
Yamagata Kurosawa, Yamagata

A single approximately 1.2 m bear crossed the parking lot heading west and entered the brush. / Environment: parking lot / Size: adult

Yamagata Kurosawa, Yamagata

Official ·3 weeks ago
Nishikawa, Yamagata

Environment: Road / Size: Adult (full-grown)

Nishikawa, Yamagata

Official ·3 weeks ago
Yamagata Minamihango, Yamagata

Sighted a bear approximately 1 m in body length on the road / Environment: roadway / Size: adult

Yamagata Minamihango, Yamagata

Official ·3 weeks ago
Yamagata Higashihango, Yamagata

One bear was sighted on a road in Zao-Hangou, Yamagata City.

Yamagata Higashihango, Yamagata

News ·3 weeks ago
Nishikawa 大字沼山, Yamagata

Environment: Near residential area / Size: Juvenile

Nishikawa 大字沼山, Yamagata

Official ·3 weeks ago
Kaminoyama 東金瓶, Yamagata

Moved along a small path beside a house near the intersection of National Route 13 bypass and the old road in the Kanze (Kambe?) area of Kaminoyama City toward the National Route 13 bypass. / Environment: near residences / Size: adult

Kaminoyama 東金瓶, Yamagata

Official ·3 weeks ago
Kaminoyama 金瓶, Yamagata

A bear was seen moving from a path beside a residence toward National Route 13 in Kanakame, Kaminoyama City.

Kaminoyama 金瓶, Yamagata

News ·3 weeks ago
Yamagata Sugesawa, Yamagata

Observed one bear moving north along the road. Body length approximately 1 m. / Environment: road / Size: adult

Yamagata Sugesawa, Yamagata

Official ·3 weeks ago
Yamagata Higashihango, Yamagata

One bear was sighted on a road in Zao-Hangou, Yamagata City.

Yamagata Higashihango, Yamagata

News ·3 weeks ago
Yamagata Minamihango, Yamagata

Spotted a bear approximately 1 meter in body length on the road / Environment: road / Size: adult

Yamagata Minamihango, Yamagata

Official ·3 weeks ago

One bear was sighted in a wooded area in Sugisawa, Yamagata City.

Yamagata Sugesawa, Yamagata

News ·3 weeks ago
Yamagata Sugesawa, Yamagata

Moved down the slope toward the east / Environment: mixed broadleaf forest / Size: adult

Yamagata Sugesawa, Yamagata

Official ·3 weeks ago
Yamanobe 大字北垣, Yamagata

An animal resembling a bear crossed the road. / Environment: Near residential area / Size: Unknown

Yamanobe 大字北垣, Yamagata

Official ·1 month ago
Yamagata Kamisakurada, Yamagata

Moved from the northern mountain, crossed farmland, and entered the southern mountain / Environment: farmland / Size: adult

Yamagata Kamisakurada, Yamagata

Official ·1 month ago
Yamagata Murakizawa, Yamagata

One bear about 1 m in body length was moving toward the mountain. / Environment: mixed broadleaf forest / Size: adult

Yamagata Murakizawa, Yamagata

Official ·1 month ago

A bear was sighted in Murakizawa, Yamagata City, on June 12 in the morning.

Yamagata Minorigaoka, Yamagata

News ·1 month ago

One bear was sighted in Iwanami, Yamagata City.

Yamagata Iwanami, Yamagata

News ·1 month ago
1
Mount Asahi (Yamagata), Yamagata
High Risk 41 km 57m 10 sightings within 5 km

Haguro government office: Was in the forest near the Gassan 8th Station parking area / Environment: Forest / Size: Unknown

Tsuruoka, Yamagata

Official ·7 hours ago

Environment: Riverbank / Size: Unknown

Nishikawa, Yamagata

Official ·2 weeks ago
Nishikawa, Yamagata

Environment: Road / Size: Juvenile

Nishikawa, Yamagata

Official ·2 weeks ago
Show 7 more

At about 8:30 a.m., in the mountains about 1 km east of Yudonosan Ski Area, a man picking bamboo shoots sighted an adult bear with a cub and was attacked and injured by the cub (approximately 1.0 m in size). / Environment: forest / Size: adult and cub

Tsuruoka, Yamagata

Official ·2 weeks ago
Nishikawa, Yamagata

Environment: Near residential area / Size: Juvenile

Nishikawa, Yamagata

Official ·2 weeks ago
Nishikawa, Yamagata

Environment: Near residential area / Size: Adult

Nishikawa, Yamagata

Official ·3 weeks ago

Environment: Near residences / Size: Unknown

Nishikawa, Yamagata

Official ·3 weeks ago

One bear was sighted in Oisawa, Nishikawa Town, Yamagata Prefecture.

Nishikawa 大字大井沢, Yamagata

News ·3 weeks ago
Nishikawa, Yamagata

Environment: Road / Size: Adult (full-grown)

Nishikawa, Yamagata

Official ·3 weeks ago

Time of incident: estimated / Environment: forest / Size: adult

Tsuruoka, Yamagata

Official ·3 weeks ago
G
Mount Gassan, Yamagata
Total Distance: 142 km

When Are Bears Most Active?

Peak activity at 6:00 with 7 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, 64 bear sightings were reported within 5 km of the route. The past 7 days account for 14 of them.

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

The latest sighting was reported 7 hours ago near Tsuruoka, Yamagata.

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 142 km route runs from Mount Zaō to Mount Gassan within Yamagata. In the past 30 days, 64 bear sightings were reported within 5 km of the route. The past 7 days account for 14 of them. The latest sighting was reported 7 hours ago near Tsuruoka, Yamagata. This is an active bear corridor. Drive through with full caution, but rerouting is the safer choice.

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