| INTERLAKEN | Town in the Bernese Alps dubbed the adventure capital of Switzerland (10) |
| EIGER | A mountain in Switzerland, in the Bernese Alps (5) |
| JUNGFRAU | Mountain in Switzerland in the Bernese Alps (8) |
| BALLANTYNE | RM, 19th-century author of the adventure stories Red Rooney and Philosopher Jack (10) |
| ALETSCH | Largest glacier in Europe, in the Bernese Alps (7) |
| KANDER | Swiss river whose source is in the Bernese Alps, and which flows into Lake Thun (6) |
| AARE | It rises in the Bernese Alps |
| AAR | River that rises in the Bernese Alps |
| OBERLAND | The lower parts of the Bernese Alps in central Switzerland (8) |
| AGATHA | Forename of the "Queen of Crime" who wrote the story The Adventure of the Christmas Pudding and the novel Hercule Poirot's Christmas (6) |
| SWISSALPHA | Dominant Bernese mountain dog? |
| BUSTS | The Napoleons in the Sherlock Holmes story "The Adventure of the Six Napoleons" |
| FRAU | In the Bernese Oberland a psychologist meets a German lady (4) |
| QUICKSAND | The adventure hero was trapped and sinking in this deceptive granular material in Indiana Jones And The Kingdom Of The Crystal Skull |
| CRIME | Queen of -; nickname of Agatha Christie, author of Hercule Poirot's Christmas and The Adventure of the Christmas Pudding (5) |
| ADDER | The "band" in "The Adventure of the Speckled Band" |
| BERN | The capital of Switzerland (as it's usually spelt!) (4) (4) |
| CHRISTIE | Agatha ___; author whose works include Hercule Poirot's Christmas, The Adventure of the Christmas Pudding and the play The Mousetrap (8) |
| AFOOT | Come, Watson, come! The game is ___: Sherlock Holmes first words in The Adventure of the Abbey Grange. (5) |
| BERNE | The capital of Switzerland. (5) |