The official name is, Hamatombetsu Lake Kutcharo Waterfowl Observatory (Hamatombetsu Lake Kutcharo Waterfowl Observatory), and, in the Ramsar Convention registered wetland, with the purpose as a base for the dissemination and enlightenment of the wetland's value and the monitoring of waterfowl and wetlands, it was established by the Ministry of the Environment.

The Waterfowl Observatory is, in May of Heisei 7, a center that opened on the lakeside of Lake Kutcharo, introducing waterfowl and wetlands. Mainly, it is transmitting information of waterfowl and others that fly in to Lake Kutcharo.

Inside the facility, while utilizing outdoor cameras and telescopes that are installed, you can observe wild birds that slowly come to the lake. In spring and autumn, Tundra swans and others during migration can be seen, and in summer, forms of grey herons and kingfishers also can be seen. Also, by photo panels and videos inside the facility, the state of Lake Kutcharo's four seasons also is introducing.