In 1981 the area known as Khao Laem Ya and the island of Koh Samet was designated as a nature reserve. It is an area of great natural beauty which is enganced by the tranquillity of the surroundings.

Khao Laem Ya is located about 6.4 kilometers from the fishing village of Ban Phe. Koh Samet, on which Sunthorn Phu, Thailand'greatest poet based his most famous work, the story of Pra Apaimanee, lies about 40 minutes boat journey offshore. The park also covers Mae Rumphueng Beach, Ban Kon Ao and some islands near Koh Samet such as Koh Kudee, Koh Kruai, Koh Khangkhao and Koh Platin.