Svay Chek River (Stung Svay Chek, spelled also StoÃÂng Svay Chek; ) is a river in north-west Cambodia. It drains into Tonlé Sap lake. StoÃÂng Svay Chek has a basin area of 1,249 km<sup>2</sup> in Cambodia (total 2,104 km<sup>2</sup>), average runoff 3,464 m<sup>3</sup>/s.