Lake Furen is a brackish lake located between Nemuro City and Betsukai-cho in Hokkaido. It is the 3rd largest lake in Hokkaido. Being a part of Notsuke-Furen Prefectural Natural Park, the area around the lake has wide variety of land features such as sandbanks, meadows, swamps and virgin forests, where various species of flora and fauna inhabit.

From June to August, rugosa roses, Ezosukashiyuri (Lilium maculatum ssp. dauricum) and Sendaihagi (Thermopsis lupinoides) produce red, yellow and purple pretty flowers one after another to create a large flower garden all around the area.

Known as the water bird’s paradise, it is visited by the nation’s largest species of swan. Swans come flying from the early September to the end of December, and winter here till the middle of March or early May. About 240 species of other wild birds including red-crowned cranes, black woodpeckers and yellow-breasted buntings can be spotted in the area, which has become a popular spot for bird watching.