|Dadohaehaesang National Park|
Hongdo Island, located in the park
|Area||2,321.5 km2 (896.3 sq mi)|
|Established||23 December 1981|
|Governing body||Korea National Park Service|
Dadohaehaesang National Park (Korean: 다도해해상국립공원, 多島海海上國立公園) was designated in 1981 as the largest national park in South Korea. The total area is 2,321.5 km2 (896.3 sq mi) with 1,986.6 km2 (767.0 sq mi) being marine area and 334.8 km2 (129.3 sq mi) being land area. Main attractions of Dadohaehaesang National Park are Hongdo, Heuksando and Baekdo. In terms of biodiversity, 1,541 plant species, 11 mammal species, 147 bird species, 885 insect species, 13 amphibious reptile species, 154 ocean water fish species, and 11 freshwater fish species have inhabited in this area.