Japan ToyakoOnsen

Lake Toya, the caldera lake situated in the southwestern Hokkaido, belongs to Shikotsu-Toya National Park. The lake facing Mt.Usu , one of the most active volcanoes, with repeated eruptions on a cycle of between 30 and 50 years. Its most recent eruption was in 2000.
Lake Toya is an ice-free lake. It never freezes, even in winter when the temperature falls quite drastically.
There are big and small four islands called Nakajima in the middle of the lake .Shio Wataro Kaze / Tando Saka19CB2FF7-179D-40AC-8A1E-5AB27953CDB8.jpeg