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The Blue Pond
The Blue Pond is a ‘check dam,’ made of concrete to protect the Biei River against dam…

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Outcrop of Central Cone Lava
An outcrop of Central Cone Lava is the newest lava, which is spouted by volcanic activ…

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Roller Coaster Road
Route 11, in Biei Town, is known as the ‘Roller Coaster Road,’ because of its wavy for…

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Unconformity between Ugetsuzawa Pyroclastic Flow Deposit and Bikai Formation
You can observe unconformity which is an overlapping joint between deposit in the shal…

015
Ohachidaira Caldera Pyroclastic Flow Deposit at Ten’ninkyo Gorge
Welded tuff spreads from lake Chubetsu to Ten'ninkyo Hot Spring. Lake Chubetsu is also…

007
Block Slope on Central Cone Lava
Central Cone Lava shaped in eruption almost 500 years ago is called aa lava, which is …