Kawayu Onsen is a hot spring in the town of Teshikaga, Kawakami-gun, Kushiro subprefecture, Hokkaido.
Kawayu (literally "river of hot water") is said to derive from the Ainu words seseki (hot) and petsu (river).
Kawayu Onsen is a hot spring in the town of Teshikaga, Kawakami-gun, Kushiro subprefecture, Hokkaido.
Kawayu (literally "river of hot water") is said to derive from the Ainu words seseki (hot) and petsu (river).

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