The two crossword solutions for the term 'River in the Congo' are Ebola and Uele. The Ebola River is a major tributary of the Congo River located in the Democratic Republic of the Congo. It is approximately 1, 200 kilometers long and is one of the most important rivers in the region. The Uele River is also a tributary of the Congo River and is located in the Central African Republic and the Democratic Republic of the Congo. It is approximately 1, 400 kilometers long and is an important source of water for the region.