<page_title> List of Ramsar sites in Japan </page_title> <section_title> Designated sites </section_title> <table> <cell> Izu-numa and Uchi-numa (伊豆沼・内沼) <col_header> Name </col_header> </cell> <cell> 559 ha <col_header> Area </col_header> </cell> <cell> 1985 <col_header> Designated </col_header> </cell> </table>
In 1985, Izunuma-Uchinuma with an area of 559 hectares was designated a Ramsar Site.