Lake Ōnuma (Wakkanai)
Japan · Asia
About
Ōnuma is a low-lying lake in Wakkanai, Hokkaidō, Japan. Its surface area of 4.67 km2 (1.80 sq mi) makes it, by this metric, the twentieth largest on the island. It is located a short distance inland from Sōya Bay, with which it is connected by the lower reaches of the Koetoi River, and is six kilometers east of the urban center of Wakkanai. It is also known as Shupunto Swamp from its Ainu name meaning "swamp belly"
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