Lake Toya is a typically round caldera lake in the southwest of Hokkaido. On the southern side of the lake are a number of hot springs and two active volcanoes, one of which, Mount Usu, erupted in the year 2000. For its geological importance, the area was designated Toya Caldera and Usu Volcano Geopark in 2009.
The lake, with a large island sitting in the middle, is the third largest caldera lake in Japan, followed by Kussharo Lake and Shikotsu Lake, both in Hokkaido.
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Airport/Sta.New Chitose Airport (about 74.2km) Google Transit