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  • Country: 
  • Site number: 
  • Area: 
    900 ha
  • Designation date: 
  • Coordinates: 
    43°55'N 144°24'E
Materials presented on this website, particularly maps and territorial information, are as-is and as-available based on available data and do not imply the expression of any opinion whatsoever on the part of the Secretariat of the Ramsar Convention concerning the legal status of any country, territory, city or area, or of its authorities, or concerning the delimitation of its frontiers or boundaries.


Tofutsu-ko. 08/11/05; Hokkaido; 900 ha; 43°56'N 144°24'E. Special National Park Zone. A brackish lagoon in eastern Hokkaido, with salt marshland developed in lowlands along the shore filled with rare aquatic plants, in particular, Common Glasswort Salicornia europaea, which fills the shore with red color in autumn inviting many tourists. It is one of few important stopovers for 67,000 Anatidae species as well as Grus Japonensis and Yellow-breasted Bunting for breeding every year. White-tailed Eagle, Steller's Eagle and commercially important mollusks are also found. Common vegetation includes meadow, cropland, coniferous and broad-leafed forest. Present threats affecting the ecological character are sediment inflow, land development for agriculture, and population. Ramsar site no. 1557. Most recent RIS information: 2005.

Administrative region: 
Hokkaido Prefecture

  • National legal designation: 
    • National Wildlife Protection Area NWPA
    • Special National Park Zone
  • Last publication date: 


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