| SHANNON | The longest river in the British Isles |
| YANGTZE | After the Nile and the Amazon, what is the longest river in the world? (7) |
| NILE | Major north African river considered the longest river in the world (4) |
| VLTAVA | The longest river in the Czech Republic, a tributary of the Elbe (6) |
| OUST | The River Great ... is one of the longest rivers in the UK (4) |
| SEVERN | Which is the longest river in the UK? (6) |
| EUPHRATES | The longest river in the Middle East (9) |
| AMAZON | Which is the longest river in the Americas (6) |
| MISSOURI | The longest river in the United States (8) |
| TAGUS | The longest river in the Iberian peninsula (5) |
| ARAS | One of the longest rivers in the Caucasus |
| TIREE | With some of the highest levels of sunshine recorded anywhere in the British Isles due to the mild influence of the Gulf Stream, the most westerly island of the Inner Hebrides (5) |
| BENNEVIS | Munro in the Grampians which is the highest mountain in the British Isles and one of the ascents for |
| VOLGA | Flowing 2,294 miles from the Valday Hills to the Caspian Sea, the longest river in Europe in terms o |
| EBRO | The second-longest river in the Iberian Peninsula after the Tagus (4) |
| WYE | The fifth-longest river in the UK, forming part of the border between England and Wales for much of its length |
| LOCHNESS | Body of water in the Scottish Highlands which is one of the largest lakes in the British Isles (4,4) |
| LOCHMORAR | Situated four miles from Mallaig in the Scottish Highlands, the deepest body of freshwater in the British Isles (4,5) |
| MORAR | With Ben Nevis in its view and home to the legendary Morag, loch which is the deepest freshwater body in the British Isles (5) |
| NEAGH | Freshwater lake or lough in Northern Ireland owned by the Earl of Shaftesbury that is the largest lake by area in the British Isles (5) |