A small boy paddles a boat on the Sekong River

The Kong River, also known as the Sekong River (, ), is a river in

Southeast Asia Southeast Asia is the geographical United Nations geoscheme for Asia#South-eastern Asia, southeastern region of Asia, consisting of the regions that are situated south of China, east of the Indian subcontinent, and northwest of the Mainland Au ...

and an important

tributary A tributary, or an ''affluent'', is a stream or river that flows into a larger stream (''main stem'' or ''"parent"''), river, or a lake. A tributary does not flow directly into a sea or ocean. Tributaries, and the main stem river into which they ...

of the

Mekong River The Mekong or Mekong River ( , ) is a transboundary river in East Asia and Southeast Asia. It is the world's List of rivers by length, twelfth-longest river and List of longest rivers of Asia, the third-longest in Asia with an estimated l ...

Course

The river originates in

Huế Huế (formerly Thừa Thiên Huế province) is the southernmost coastal Municipalities of Vietnam, city in the North Central Coast region, the Central Vietnam, Central of Vietnam, approximately in the center of the country. It borders Quảng ...

in Central

Vietnam Vietnam, officially the Socialist Republic of Vietnam (SRV), is a country at the eastern edge of mainland Southeast Asia, with an area of about and a population of over 100 million, making it the world's List of countries and depende ...

and flows through southern

Laos Laos, officially the Lao People's Democratic Republic (LPDR), is the only landlocked country in Southeast Asia. It is bordered by Myanmar and China to the northwest, Vietnam to the east, Cambodia to the southeast, and Thailand to the west and ...

and northeastern

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 joins the

Tonlé San Tonlé San (, ), also known as the Sesan River (), is a river that flows through central Vietnam and north-east Cambodia. It is a major tributary of the Mekong River. Its tributaries include the Dak Bla River, Dak Bla, Dakpsy, Sa Thầy River, Sa ...

near the

Stung Treng Stung Treng City (, "reed river"; , , Lao: ຊຽງແຕງ) is the capital of Stung Treng Province, Cambodia. It is the major city (and capital) of both the district and province. Geography Stung Treng is located on the Sesan River near it ...

town of Cambodia, just 5 miles upstream from the confluence of the Tonlé San and the Mekong. Part of its course forms the

international boundary Borders are generally defined as geographical boundaries, imposed either by features such as oceans and terrain, or by political entities such as governments, sovereign states, federated states, and other subnational entities. Political borders ...

between Laos and Cambodia.

Tributaries

Xe Kaman River The Xe Kaman is a river in southeastern Laos. It flows through the Dong Ampham National Biodiversity Conservation Area of Attapeu Province. The river is known to have populations of dolphin A dolphin is an aquatic mammal in the cetacean ...

References

Rivers of Huế Rivers of Laos Rivers of Cambodia International rivers of Asia Cambodia–Laos border Tributaries of the Mekong River Border rivers Rivers of Vietnam {{Vietnam-river-stub