Rishiri-Rebun-Sarobetsu National Park (利尻礼文サロベツ国立公園) is a national park on the Rishiri Island, Rebun Island, and a coastal area from Wakkanai to Horonobe at the north-western tip of Hokkaidō, Japan. Areas of the park cover 212.22 km2. The park is noted for its alpine flora and views of volcanic mountains and areas formed by marine erosion. The park is surrounded by fishing grounds, and the coastal areas of the park are rich in kelp. The coastal areas of the national park can be accessed from Japan National Route 40, known as the Wakkanai National Highway, and the Rishiri and Rebun are accessible by ferry from Wakkanai.

Geography

Rishiri Island

Rishiri Island (利尻島), separated from Hokkaido by the Rishiri Channel, was formed by the cone-shaped extinct volcanic peak of Mount Rishiri (1721 m). The island is 63 km in circumference and covers 183 km2.

Rebun Island

Rebun Island (礼文島) is approximately 30 km west of Wakkanai in Hokkaido. The island is 72 km in circumference and covers 82 km2. Rebun reaches its highest altitude at Rebundake.

Sarobetsu Plain

The Sarobetsu Plain (サロベツ原野) is a marshy floodplain on the Sea of Japan formed by the Teshio River and Sarobetsu River. The plain is approximately 17 km long and covers approximately 150 km2. The Sarobetsu Plain has a subarctic climate and consists of large peat bogs. The Sarobetsu Plain was added to the Ramsar List of Wetlands of International Importance in 2005 as part of the Ramsar Convention, an international treaty for the conservation of wetlands.