Khao Sok National Park is divided into 2 Zones comprises tourism activities and attractions at Khao Sok National Park Headquarters and Ratchaprapa Dam Khao Sok National Park Headquarters It's the point of connection between the Gulf of Thailand and the Andaman sea, covering an area of Phanom district and Ban Ta Khun district, Suratthani with an area of about 739km Tropical rain forest is the largest and most important of the south Thailand. It is mad up of earth hills covered with deep forests and alternated with winding limestone hills with a wide variety of rare flora and endelnic plants, it is also the habitat of wild animals that are almost extinct and Raffesia kerri Meijers can be found Ratchaprapa dam (known as Chiew Larri Lake). It's covering an area about 168 km This multipurpose dam was built over the Pra-Sang canal. Within the dam area, especially created the beautiful scenery which earned it its name, "Guilin of Thailand" The dam is 65 km. from Khao Sok National Park Headquarters.