Svay Chek River (Stung Svay Chek, spelled also Stoĕng Svay Chek; Central Khmer: ស្ទឹងស្វាយចេក) is a river in north-west Cambodia. It drains into Tonlé Sap lake.[1] Stoĕng Svay Chek has a basin area of 1,249 km2 in Cambodia (total 2,104 km2), average runoff 3,464 m3/s.[2]