Crossword clues for the word: NILEBASIN The word NILEBASIN has appeared as an answer to at least 5 crossword clues on different crossword puzzles. Crossword clues for NILEBASIN Showing 1 to 5 of 5 results Clue(s) About 10% of Africa African region totaling 1.2 million square miles Drainage area of the world's longest river Region that includes Burundi River drainage region that covers 11 African countries