Byeonsan-bando National Park () is a national park in South Korea and was designated in 1988 as the only peninsula based park with a mix of mountains and sea in the country. The total area is with being sea. Byeonsan-bando is divided into two parts which are the Naebyeonsan (mountain area) and the Oebyeonsan (coastal area). There are 996 animal species and 877 different vascular plants within national park.