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
Great Tenasserim River been exported from the area due to a serious insurgency problem prevailing in the region. Great Tenasserim River Great Tenasserim River or the Tanintharyi River is a major river of southeastern Burma. It flows through the Tanintharyi Region, past the town of Tanintharyi before entering the sea at Myeik (Mergui). The river rises from the Tenasserim Range at an altitude of and flows into the Andaman Sea. The region formed by this river is also known as Tenasserim, Tanintharyi in Burmese, which is in a constricted coastal region in southeastern Myanmar (formerly Burma), which has border with Thailand on the