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
Suárez River horse drowned in the river when it experienced sudden flooding. The original name in Chibcha, given by the Guane was "Saravita", meaning "departs from here". The Suárez River is long and its drainage basin extends over , of which in Santander. It is sourced by Lake Fúquene in Boyacá at an altitude of and forms together with the Chicamocha River the Sogamoso River in Santander at an altitude of . The river starts on the Altiplano Cundiboyacense where it forms the boundary between Cundinamarca and Boyacá and for a major part of its course downstream it is the natural boundary