Natural hot springs in Zao Onsen are said to have opened in 110 A.D. The strong acidic sulfur spring is known as the “Springs of Beauty” for its effects of sterilizing and strengthening the skin. Zao Onsen boasts an abundance of hot water with 8,700 tons per day from 47 sources, and there are three public bathhouses, four footbaths, and five day-spa facilities scattered in the hot spring town.
Zao Onsen Large Open-air bath, where the hot spring water flows directly from the source, is one of the most popular spots. You can soak in the sulfur-scented cloudy hot spring water while listening to the river murmur. Unlike most Japanese-style baths, there is no washing area, so remove dirt by pouring hot spring water on your body before entering the tub. Note that the spa is closed during the winter.
It is also well-known as a snow resort for its abundant and fine powder snow, attracting many tourists from overseas. The snow-covered and ice-covered trees are also famous. From spring to autumn, trekking is popular, and after enjoying forest bathing, you can refresh your body and soul in a hot spring bath.
Highlights
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There is a shopping area with the warmth of trees.
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You can enjoy visiting several day spas or footbaths.
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Many people visit here during the winter season to ski or see the ice-covered trees.