Koh Khsach is located on Se Kong River, about 5 kilometers eastern direction from Stung Treng town.
Koh Khsach is a favorite among tourists during the dry season, especially during Khmer New Year and Chinese New Year.
The 0.5 Kilometers wide and 2 km long island has beautiful sandy riverbanks and a water surface dappled with sunlight. Foreigners enjoy taking time out and relaxing on the sand. Additionally, this sand island provides a good place for take a bath, swimming and fishing.