| Answer | Crossword Clue |
|---|---|
| UCAYALI | Headstream of the Amazon. |
| ISIS | Headstream of the Thames. |
| UELE | Headstream of the Ubangi |
| LUAPULA | Headstream of the Congo River. |
| EBOLA | Headstream of the Congo's Mongala River |
| headstreams | HEADSTREAM, the stream forming the highest, most remote source of a river |
