The Đồng Nai River ( ) is a river in
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 ...
that originates in the
Central Highlands region of the southern portion of the country. It is approximately 586 km in length, making it the longest river to be entirely located in Vietnam. It gives its name to
Đồng Nai Province.
Geography
The Dong Nai River flows through the provinces of
Lam Dong,
Dak Nong,
Binh Phuoc,
Dong Nai,
Binh Duong and
Ho Chi Minh City
Ho Chi Minh City (HCMC) ('','' TP.HCM; ), commonly known as Saigon (; ), is the most populous city in Vietnam with a population of around 14 million in 2025.
The city's geography is defined by rivers and canals, of which the largest is Saigo ...
with a length of over 437 km and a basin of 38,600 km
2, if calculated from the source of the Đa Dâng River, it is 586 km long. From the confluence with the Đa Nhim River below the
Pongour waterfall, it measures 487 km. The Dong Nai River flows into the East Sea in
Cần Giờ District.
The main stream of upper Dong Nai river is also known as the Đa Đang river: the name used by the minority
Maa and
Koho people
The K'Ho, Cơ Ho, or Koho are an ethnic group living in the Lâm Đồng province of Vietnam's Central Highlands. They speak the K'Ho language, a southern Bahnaric branch of the Mon–Khmer language group. They are related to the Cho Ro and ...
. The river originates from Lam Vien plateau, meandering along the northeast-southwest direction from the mountains to the plateau in Ta Lai (Tan Phu district, Dong Nai province). The river forms the natural boundary between
Đăk R'Lấp District (Dak Nong) and
Bảo Lâm District, Lâm Đồng Province,
Cát Tiên District, between Cát Tiên and
Bù Đăng District,
Tan Phu District, Dong Nai and between Tan Phu and
Đạ Tẻh District.
After meeting the
Bé River, the Dong Nai River forms a natural boundary between Dong Nai on the east and
Bình Dương Province on the west bank.
Between the confluence with the
Saigon River
The Saigon River () is a river located in southern Vietnam that rises near Phum Daung in southeastern Cambodia, flows south and southeast for about and empties into the Nhà Bè River, which in its turn empties into the South China Sea some no ...
and where it splits into the Soài Rạp and Lòng Tàu distributaries, the river is commonly known as the Nhà Bè river.
The river flows through Bien Hoa City, then flows along the boundary between Dong Nai and Ho Chi Minh City, between Ba Ria - Vung Tau and Ho Chi Minh City.
Hydropower
Major hydropower dams in the Dong Nai river basin:
* On the main Dong Nai river:
Trị An Dam, Dong Nai 2, Dong Nai 3, Dong Nai 4, Dong Nai 5, Dong Nai 6 (in development) and Dong Nai 6A (in development). The Dong Nai 6 and 6A projects are controversial as they are likely to have a significant impact on the biodiversity of Cat Tien National Park.
*
Bé River: Thac Mo dam, Cần Đơn dam
*
Saigon River
The Saigon River () is a river located in southern Vietnam that rises near Phum Daung in southeastern Cambodia, flows south and southeast for about and empties into the Nhà Bè River, which in its turn empties into the South China Sea some no ...
:
Dau Tieng Lake
*
Da Nhim River: Da Nhim (or Dai Ninh) dam
*
La Nga River:
Hàm Thuận – Đa Mi hydroelectric power stations
Gallery
References
External links
Diesel fuel spills into Dong Nai River from the
UNDP
The United Nations Development Programme (UNDP) is a United Nations agency tasked with helping countries eliminate poverty and achieve sustainable economic growth and human development. The UNDP emphasizes on developing local capacity towar ...
Pictures of rural homes along the Đồng Nai RiverImproving resource allocation and incomes in Vietnamese agriculture: A case study of farming in the Dong Nai River Basin an
International Food Policy Research Institute
The International Food Policy Research Institute (IFPRI) is an international research center focused on agriculture and food systems that provides research-based policy solutions to reduce poverty and end hunger and malnutrition throughout low- ...
(
IFPRI) discussion paper.
{{DEFAULTSORT:Dong Nai river
Rivers of Đồng Nai province
Rivers of Lâm Đồng province
Rivers of Bình Phước province
Rivers of Bình Dương province
Rivers of Đắk Nông province
Rivers of Ho Chi Minh City
Rivers of Vietnam