| NILEDELTA | Mouth of the longest river in Africa (4,5) |
| NILOTIC | Of the longest river in Africa (7) |
| NILE | The longest river in Africa, and possibly in the world (4) |
| EUPHRATES | The longest river in the Middle East (9) |
| NIGER | A river in West Africa, rising in South Guinea, the third-longest river in Africa (5) |
| OUST | The River Great ... is one of the longest rivers in the UK (4) |
| CAMPANILE | Bell tower in base beside a river in Africa (9) |
| CONGO | Flowing 2,920 miles through one of the world's largest rainforests and with Earth's deepest waters, the second longest river in Africa after the Nile (5) |
| ORINOCO | Flowing from Venezuela to Colombia, one of the longest rivers in South America; or, one of the Wombl |
| AMAZON | Name one of the longest rivers in the world (6) |
| ARAS | One of the longest rivers in the Caucasus |
| ZAMBEZI | Fourth-longest river in Africa, which flows into the Indian Ocean (7) |
| ASIA | Containing some of the longest rivers, the world's largest continent in terms of both area and population (4) |
| YANGTZE | Flowing through the Three Gorges and known in China as Chang Jiang, the longest river in Asia and third-longest in the world (7) |
| KASAI | River in Africa which forms part of the border between the Democratic Republic of the Congo and Angola (5) |
| SHANNON | River the longest river in the Republic of Ireland (7) |
| VOLGA | Flowing 2,294 miles from the Valday Hills to the Caspian Sea, the longest river in Europe in terms o |
| VLTAVA | The longest river in the Czech Republic, a tributary of the Elbe (6) |
| LOIRE | The longest river in France rising in the southern Massif Central (5) |
| MISSOURI | Rising in the Rockies, the longest river in North America (8) |
