| BRENNERPASS | Opening through the Alps south of Innsbruck along the border between Italy and Austria |
| BRENNER | & 13A Opening through the Alps south of Innsbruck along the border between Italy and Austria (7,4) |
| PASS | Opening through the Alps south of Innsbruck along the border between Italy and Austria (7,4) |
| ROSA | Monte -, the highest mountain in the Pennine Alps, on the border between Italy and Switzerland (4) |
| MATTERHORN | A mountain on the border between Italy and Switzerland, in the Pennine Alps (10) |
| LUGANO | Lake on the border between Italy and Switzerland (6) |
| INN | Forming an important route through Austria and past the city of Innsbruck, which river flows to join the Danube at Passau? (3) |
| LAKEKARIBA | The world's largest artificial lake and reservoir by volume, along the border between Zambia and Zimbabwe (4,6) |
| RHODOPE | The - Mountains are a range extending along the border between Bulgaria and Greece (7) |
| RIOGRANDE | River which runs along the border between the USA and Mexico (3,6) |
| PYRENEES | The _, mountain range along the border between France and Spain (8) |
| TYROL | Which historic region is divided between Italy and Austria? (5) |
| JUNGFRAU | Mountain in the Bernese Alps, south of Interlaken (8) |
| DYKE | Offa's ___ runs along the border between England and Wales. (4) |
| THEPYRENEES | Mountain range along the border between France and Spain (3,8) |
| TAMAR | River that runs along the border between Devon and Cornwall (5) |
| APERTURE | The diameter of the opening through which light passes in an optical instrument such as a camera |
| ALPS | Capital of the ___ (nickname of Innsbruck, Austria) |
| MOUNTAINCHANGE | Very small toll to drive on a road through the Alps? |
| OPERATE | Work from the opening through to the tea break (7) |
