Dadohaehaesang National Park is the largest national park in Korea, which expands across seven coastal areas in the South and West sea. It was designated as the 14th national park in Korea in 1981, which spans over 2,321.2㎢ with 334.8㎢ being land and 1,990.4㎢ being water.
The warm oceanic climate supports the existence of evergreen forests with high ecological value. The magnificent islands and fantastic rock formations created from past volcanic activities offer unique beauty.
It is also well known as a naval base and battleground for famous past admirals. Admiral jang Bogo(?~841) of the Silla Dynasty built his sea kingdom here and Admiral Yi Sunsin(1545~1598) of the Joseon Dynasty had his historic battles with the Japanese navy here at Dadohaehaesang. Dadohaehaesang about 560,000 visitors annually.
Many broadleaved evergreens such as the Camellia tree grow here due to the mild and humid climate. A total of 1,541 plant species are distributed in this area. As for animals, there are 11 mammal species, 147 bird species, 885 insect species, 13amphibious reptile species, 154 ocean water fish species, and 11 freshwater fish species. Endangered species include orchids, Otters, Snakes, and Sea corals.