This report made by Nippon Onsen Research Institute Co., ltd. is based on the data from Natural Environment office, Ministry of the Environment in 2006 (released in 2007).


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  The bar chart below shows the top-ten list of prefectures where good onsen is located, based on the data from Ministry of the Environment. Each prefecture ranked top 10 was allotted certain points. (For each ranking on the six articles, ten points to the prefecture ranked the first, nine points to the second, eight points to the third, and so on…) Besides, one bonus point is added each time the prefecture is ranked top ten in the six articles. Then we’ve completed this chart, where the perfect score is 66. Although it is based on the point, the result is interesting enough to reflect the actual circumstances.  

Nippon Onsen Research Institute Co., Ltd.