7 level waterfall or O' Sinlae waterfall (ទឹកជ្រោះ៧ជាន់ ឬ អូស៊ីនលែ)

7 level waterfall or O' Sinlae waterfall is located in Lumphat district, Rattanakiri province,about 30 kilometers from the provincial town,Banlung. It is surrounded by dense forests and mountains with a pleasant atmosphere for tourists.