Chhayhong
@Jaypep: Actually it's not about tour guides or anything. The name of this pound called ត្រពាំងសេះ, a village around this area also called ត្រពាំងសេះ. I am a Cambodian, I can supply you some documents if you want.

@andi9876: the name should be ត្រពាំងសេះ not ស្រះសេះ. Thanks