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
River systems of Thailand Park, Kaeng Krachan District and flows through Tha Yang, Ban Lat, Mueang Phetchaburi and empties into the Bay of Bangkok in Ban Laem District. It is long, most of which is in Phetchaburi Province. The Mae Klong River is a river in western Thailand. The river begins at the confluence of the Khwae Noi or Khwae Sai Yok and the Khwae Yai River or Khwae Si Sawat in Kanchanaburi, passes through Ratchaburi Province and empties into the Gulf of Thailand in Samut Songkhram. The Pran Buri River is in Prachuap Khiri Khan Province, on the Kra Isthmus of the Malay