During disaster prevention work on Mt. Tokachidake, the water that collected on the dam took on a mysterious blue color, and when combined with the withered larch trees, it created a magical landscape. Before we knew it, it came to be called “Blue Pond.”
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The Biei River, which flows under Shirahige Falls in Biei Shirogane Onsen, and the Iozawa River, which is located upstream of Biei River and contains aluminum, etc., mix together, causing the water to reflect light and appear blue. is said to be the reason.Therefore, the blue pond where mixed rivers flow, and the nearby Biei River, have the same color.
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Sunlight collides with colloidal particles in the water, scattering the light in many directions. It is said that blue light with a short wavelength is easily scattered, so that light reaches our eyes and appears blue. Another theory is that the white soil at the bottom of the pond reflects light, bringing out its blue color.
*In the spring when the snow melts or after heavy rain, the ingredients may become diluted and may not look blue.
When visiting, please be sure to follow tourist etiquette and photography rules.
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During the winter, you cannot see the blue water surface due to snow. Therefore, the Blue Pond in Biei Town is lit up so that you can enjoy it even in winter.
During the snow season (November 1st to April 30th), the closing time is basically 9pm every day.
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A super popular soft serve ice cream topped with cute character cookies. You can choose from three types: “Aoiike Soft” with Ramune flavor, “Biei Milk Soft” made with raw milk from Biei, and “Mixed Soft”. It’s sure to look great on SNS!
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A beautiful looking soda drink. There are three types: “Aoiike Soda” with a lemonade flavor inspired by the Blue Pond, “Yuki no Ike Purumochi Soda” with plump mochi jelly, and “Aoike Cream Soda” with plenty of Biei milk soft serve. Perfect for hot weather! Also great for driving.
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Aoike’s original jersey milk and yogurt in cute bottles are now available! We use rare jersey milk that is milked daily at Farms Chiyoda, a farm in Biei town. Please enjoy the rich taste.
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A new sensation! New texture! Introducing a new chewy texture jelly. It is topped with fresh cream and white crunch to evoke the image of a blue pond covered in snow. Please try it when you come to Blue Pond.
Link:Shirokane Blue Pond