The major river of the region
Southern River is a short string because there is little space and flowing into the Bay, the river Thai Chumphon. Pattani River, the mother River of tears years saiburi. Best natural border is the kolok river separates the international Thai territory with Malaysia. International border barrier with Myanmar and Thai Trang river flowing into the Andaman Sea,
.Characteristics of coastal southern
South Coast about 1825 km long, divided into the East coast up to 960 kilometers long, from Narathiwat Province, Chumphon, and West Coast 865 kilometers long, which looks like this:
.-East Coast (Gulf Thai) is a wide sandy beach, the sea-side of the raised area. There are 6 lagoon sansai shell caused by the harbour bar at the sea off Songkhla Lake outside. There is a large Bay, such as ban Don Bay Gulf of Chumphon. Etc
-West Coast (the Andaman Sea) coast is sinking; There is a beach and deep water Bay and dented a mangrove swamp along the shore up
.And there was a sunken cave kathale Javanese estuaries wide Bay on the western coast of the Bay of AO Phang Nga Bay aokrabi: Ranong kantang, etc.