Overview
A nearly circular crater lake east of Noboribetsu. No river flows in or out, and the water is known for its purity.
About this place
A caldera lake in Shiraoi, Hokkaido, designated a special area of Shikotsu-Toya National Park. In a survey by the Ministry of the Environment in 2001, it was rated as having the best water quality of all lakes and marshes in Japan. The highly transparent surface shines cobalt blue along the shore. Closed to traffic in winter (November to late April).
Source visit-hokkaido.jp ↗Official website
Check the official website for current opening hours, fees and closing days.
Source shiraoi.net ↗Before you go
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