Overview
More swans and geese arrive here than anywhere in Japan. Registered under the Ramsar Convention in 1985 and named a national natural monument in 1967.
About this place
Izunuma is a marsh spanning Tome and Kurihara in Miyagi Prefecture. It has an area of 369 hectares (water surface 289 hectares), a lake volume of about 2.79 million cubic meters, an average depth of 0.76 meters and a maximum depth of 1.6 meters. In the past it was also called Onuma. It is registered under the Ramsar Convention, which protects wetlands of international importance, and is known as a wintering ground for migratory birds. It is also used as a water source for the surrounding rice paddies, and at the same time plays a role in regulating floods.
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