Kaoh Pao River (, ; ; ), also Prek Khao Pao or Preaek Khao Pao,Note: Transliterations of words in languages with an alphabet other than latin, are not always consistent. is a river and estuary in Koh Kong Province, Cambodia. It flows past the provincial capital of Khemarak Phoumin, and empties into the Gulf of Thailand.
Notes and references