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Let'sgotoseeHIda-Ontake Lava Flow!

At Hida-osaka, you can find precious stories with a history of 60,000 years that go far beyond your imagination.

We, the Hida-Osaka Tourist Association, promote tourism in Hida-Osaka by putting the spotlight on its local assets, including the eruption of Mt. Ontake, the lava flow with a length of 15 kilometers, waterfall walking trails that are registered as the number-one treasure of Gifu, and carbonated springs that are rare and precious in Japan. We hope that more and more people will appreciate Hida-Osaka’s rich natural wonders, and we wish for “Gifu’s Treasures” to become “Everyone’s Treasures.”

Lava flow

Lava flows are streams of molten rocks that flood the land surface like a river, instead of being broken pieces, when a volcanic eruption occurs. The form of lava flows depend on the magma’s quality and quantity. While smooth textured lava flow can form a volcanic dome, mildly textured lava flow can form volcanic sheets like at the foot of Mt. Fuji. The lava flow at Mt. Ontake represents the latter.

Lava flow at Kusakidani Gorge of Mt. Ontake

Mt. Ontake is formed by many layers of ejecta, such as a lava flow. The lava flow at Kusakidani Gorge streamed down from Marishitensan peak and covered the Hyouendani area about 60,000 years ago. It stretches about 15 kilometers up to around Gantate area now.

Magnificent natural views that will deeply move your heart.

  • Mountaintop of Mt. OntakeMountaintop of Mt. Ontake
  • Ohira ObservatoryOhira Observatory
  • Lava Flow LookoutLava Flow Lookout
  • GandatekyoGandatekyo

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Event

【3/24更新 通行止め解除】2025年がんだて公園オープン
news

2025.03.24

[Updated March 24th: Road closure lifted]Gandate Park opens in 2025 on March 15 (Sat.)

Gandate Park will open for the 2025 season on March 15th.

 

■ Access by car
You can come by car.
The forest road beyond the park is currently closed to traffic.
[Updated 3/24 (Monday) 13:30]
City roads that were closed due to snowfall have been lifted.
When you visit, please check the latest weather forecast and road conditions, and be careful of snowy and icy roads.

 

■ Waterfall Tour Course
You can also use the Mitsutaki Course (3-hour round trip).
There is still snow in some areas, so please be sure to come prepared.

 

*Gandate Chaya is scheduled to open from early April.
*There is a risk of falling rocks on both city and forest roads, so please be careful when using them.

 

 

｢飛騨小坂の旅満足度｣アンケートを実施します
news

2024.11.19

We are conducting the Hida-Osaka Travel Satisfaction Survey.

We Want to Hear Your Honest Opinions!

We are conducting a survey for visitors to Hida-Osaka.
Please share your genuine feedback, such as “What I liked” or “I hope next time it will be like this.”

You can participate by scanning the QR code® on flyers or posters available at accommodations, restaurants, and other tourism-related facilities in the Hida-Osaka area.

 

*For additional details or notes, please refer to the flyers or posters.
*QR Code® is a registered trademark of DENSO WAVE INCORPORATED.

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