Lake Tōfutsu

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Lake Tōfutsu
Lake Tofutsu 2011.JPG
Lake Tōfutsu
Location Hokkaidō, Japan
Coordinates 43°56′N 144°24′E / 43.933°N 144.400°E / 43.933; 144.400Coordinates: 43°56′N 144°24′E / 43.933°N 144.400°E / 43.933; 144.400
Surface area 9 km2 (3.5 sq mi)
Average depth 0.7 m (2 ft 4 in)
Max. depth 2.5 m (8 ft 2 in)
Shore length1 27 km (17 mi)
Surface elevation 1 m (3 ft 3 in)
Settlements Abashiri, Koshimizu
1 Shore length is not a well-defined measure.

Lake Tōfutsu (濤沸湖, Tōfutsu-ko) is located in Abashiri and Koshimizu, Hokkaidō, Japan. It takes its name from the Ainu toputsu, or 'mouth of the lake'. A saline lagoon divided from the Sea of Okhotsk by sand dunes, Lake Tōfutsu provides an important habitat for wintering birds. In 2005 an area of 900 ha of wetlands was designated a Ramsar Site.[1]

See also[edit]


  1. ^ "Tofutsu-ko" (PDF). Ministry of the Environment. Retrieved 10 February 2012.