Moei River The Moei River forms the border between Thailand and Burma. The river is the scene of clashes between the Tatmadaw and Karen militias. Often Karen people cross the river either in order to enter Thailand as refugees or to go back to Burma. Moei River The Moei River (, , , ) is a tributary of the Salween River. Unlike most rivers in Thailand, the Moei River flows north in a northwest direction. It originates in Phop Phra District, Tak Province, flowing then from south to north across Mae Sot, Mae Ramat, and Tha Song Yang Districts, finally entering the
Shweli River Shweli River Shweli River (; ) is a river in Myanmar (Burma). Also known as Nam Mao in Shan and Lung Chuan Chiang(龙川江) in Chinese, it forms part of the boundary between Burma and China. It is one of the tributaries of the country's chief river, the Ayeyarwady, and arises in Yunnan Province of China. It flows through northern Shan state and Sagaing Division, and enters the Ayeyarwady at Inywa, 60 km north of Tagaung and south of Katha. Tai people, known as Shan in Burma, migrated from Yunnan into Burma along the Shweli. Maw Shans from Mong Mao settled