sentences:  Namtok and Tham Khun Sri.The three-tiered waterfall, above the cave, is situated west of Sra trao close to trail to Phreah Vihear.Khun Sri Cave is of gigantic proportions and was believed to have been the accommodation of Khun Sri, a noble man who controlled rock cutting at Sra Trao at the time of the construction of Preah Vihear Sanctuary.