List of Ramsar sites in Japan

The Ramsar Convention on Wetlands of International Importance Especially as Waterfowl Habitat is an international treaty for the conservation and sustainable use of wetlands.[1] Adopted in 1971, it entered into force in 1975 and as of December 2015 had 169 contracting parties.[1] Japan was the twenty-fourth party to accede, on 17 October 1980.[2] Kushiro-shitsugen was the first of Japan's fifty-two Ramsar sites as of the thirteenth conference of the contracting parties (2018), with a total surface area of 1,547 square kilometres (597 sq mi).[3]