Pheas River From Wikipedia the free encyclopedia Pheas River (Stung Pheas, spelled also Stoĕng Pheas) is a river in Cambodia. It is a major tributary of the Tonlé Sap.[1] References[edit] ^ State of Water: Cambodia. Water Environment Partnership in Asia. vteRivers of CambodiaTonlé Bassac Mekong Kong San Srepok Sap Stoeng Boribo Chi Kraeng Chinit Kaoh Pao Krang Ponley Mongkol Borey Pheas Pursat Saen Sangkae Serei Sophon Siem Reap Sreng Stoung Svay Chek This article related to a river in Cambodia is a stub. You can help Wikipedia by expanding it.vte