The Uele River, also spelled Welle River, is a river in the Democratic Republic of the Congo

Democratic Republic of the Congo

The Democratic Republic of the Congo is a state located in Central Africa. It is the second largest country in Africa by area and the eleventh largest in the world...

. It originates in the mountains near Lake Albert and flows west for about 1210 kilometres (751.9 mi) to join the Mbomou River

Mbomou River

The Mbomou River or Bomu forms part of the boundary between the Central African Republic and the Democratic Republic of the Congo ....

 at Yakoma.

The Uele forms at Dungu

Dungu, Democratic Republic of the Congo

Dungu is a town in Haut-Uele District located at the confluence of the Dungu and Kibali Rivers where they join to form the Uele River, south of the Garamba National Park. Dungu's terrain is wooded savannah, and its climate is tropical....

, where the Dungu River

Dungu River, Democratic Republic of the Congo

The Dungu River is a river that flows through the Haut-Uele District in the Democratic Republic of the Congo.It passes through the town of Faradje, and joins the Kibali River at Dungu to form the Uele River....

 joins the Kibali River.
The Uele–Mbomou confluence at Yakoma marks the start of the Ubangi River

Ubangi River

The Ubangi River , also spelled Oubangui, is the largest right-bank tributary of the Congo River of Central Africa. It begins at the confluence of the Mbomou and Uele Rivers and flows west, then bends to the southwest and passes through Bangui, after which it flows south to the Congo at Liranga....

, which in turn flows into the Congo River

Congo River

The Congo River is a river in Africa, and is the deepest river in the world, with measured depths in excess of . It is the second largest river in the world by volume of water discharged, though it has only one-fifth the volume of the world's largest river, the Amazon...

. The Uele is the longest tributary of the Ubangi. The combined Ubangi–Uele length is about 2270 kilometres (1,410.5 mi).