Tonlé Sap River

Tonlé Sap
Tonlé Sap river in Phnom Penh
EtymologyFresh water river
Native nameទន្លេ​សាប (Khmer)
Location
CountryCambodia
ProvincesKampong Thom province, Kampong Chhnang province, Kampong Cham province, Kandal province, Phnom Penh
Physical characteristics
SourceTonlé Sap Lake
MouthMekong
  location
Phnom Penh
  coordinates
11°33′48″N 104°56′20″E / 11.56344°N 104.93901°E / 11.56344; 104.93901
Length147 kilometres (91 mi)
Basin features
Tributaries 
  leftSteung Saen River, Chinit River
BridgesPrek Kdam Bridge, Prek Pnov Bridge, Chroy Changvar Bridge
Inland portsPhnom Penh Autonomous Port

Tonlé Sap (Khmer: ទន្លេ​សាប) is a river in Cambodia that connects the Tonlé Sap lake with the Mekong river. The river is known for its unusual seasonal reversal, which plays a crucial role in supporting biodiversity, sustaining local livelihoods, enhancing agricultural productivity, and contributing to the ecological, economic, and cultural vitality of the region.