The sampan shaped Island in Andaman Sea was declared a national park on 31 December, 1984. It consists of a long coastline from Satun to Trang province. The several off-shore islands include Koh Phetra, Koh Khao Yai, Liang and Koh Perama. Most of the area consists of steep mountains with plains in the valleys and beaches. The park occupies both land and sea areas with a total 494.38 square kilometers. It is full of forest , mountains, wildlife and colorful corals.
