The Dângrêk Mountains (/ˈdɑːŋrɛk/; Khmer: ជួរភ្នំដងរែក, Chuŏr Phnum Dângrêk [cuə pʰnom ɗɑːŋrɛːk]; Thai: ทิวเขาพนมดงรัก, RTGS: Thio Khao Phanom Dongrak [tʰīw kʰǎw pʰānōm dōŋrák]), also the Dângrêk Range, is a mountain range forming a natural border between Cambodia and Thailand. From Wikipedia