River systems of Thailand used for the whole river. The river is long. It then leaves China and meanders through Myanmar (where it is known as the "Thanlwin") and Thailand (where it is known as the "Salawin", Thai: สาละวิน) on its way to emptying into the Andaman Sea by Mawlamyaing (Moulmien). The principal tributaries of the Salawin which flow through Thailand are the Moei River and the Pai River. In addition to the Salween River, there are a number of rivers which drain into the Andaman Sea from the west coast of the Malay Peninsula. None of them are extensive enough to be considered
River systems of Thailand Chao Phraya, are the most significant gulf systems in Thailand: The Bang Pakong River is a river in eastern Thailand. The river originates at the confluence of the Nakhon Nayok River and the Prachinburi River at Pak Nam Yothaka in Amphoe Ban Sang, Prachinburi Province. It empties into the Gulf of Thailand in the northeastern tip of the Bay of Bangkok. The Bang Pakong's principal tributaries are the Nakhon Nayok River and the Prachin Buri River. The watershed of the Bang Pakong is about . The Phetchaburi River is a river in western Thailand. It originates in Kaeng Krachan National