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
Kok River Kok River The Kok River (, , ) flows in Southeast Asia. The river originates in the Daen Lao Range, Shan State, Burma. It flows eastwards across the Burma-Thailand border, coming in at the Thai border town of Tha Ton (, also spelled Thaton ). It flows to Mae Ai district, Chiang Mai Province. Most of its length in Thailand is in Chiang Rai Province where it passes Mueang Chiang Rai District after which it bends northeastwards and flows through Mae Chan, Wiang Chai and Chiang Saen districts. It is a wide, shallow, and slow-moving river. There is about of