The Mongkol Borey River ( ang Kul Buo Rei ) is a river in

Mongkol Borey District Mongkol Borey ( , ) is a List of districts, municipalities and sections in Cambodia, district (''srok'') in the south of Banteay Meanchey Province, in northwestern Cambodia. The district capital is the town of Mongkol Borey (town), Mongkol Borey, a ...

Banteay Meanchey Banteay Meanchey (, , ) is a province of Cambodia located in the far northwest. It borders the provinces of Oddar Meanchey to the north, Siem Reap to the east, Battambang to the south, and shares an international border with Thailand to the we ...

Province in northwestern

Cambodia Cambodia, officially the Kingdom of Cambodia, is a country in Southeast Asia on the Mainland Southeast Asia, Indochinese Peninsula. It is bordered by Thailand to the northwest, Laos to the north, and Vietnam to the east, and has a coastline ...

. It flows from the border of Chanthaburi Province of

Thailand Thailand, officially the Kingdom of Thailand and historically known as Siam (the official name until 1939), is a country in Southeast Asia on the Mainland Southeast Asia, Indochinese Peninsula. With a population of almost 66 million, it spa ...

and runs through Mongkol Borey and neighboring districts. It is a major tributary of the

Tonlé Sap Tonlé Sap (; , ; or commonly translated as 'Great Lake') is a lake in the northwest of Cambodia. Belonging to the Mekong, Mekong River system, Tonlé Sap is the largest freshwater lake in Southeast Asia and one of the most diverse and prod ...

.State of Water: Cambodia
Water Environment Partnership in Asia.

References

Rivers of Cambodia Mongkol Borey District Geography of Banteay Meanchey province Tonlé Sap {{Cambodia-river-stub