Europe's youngest mountain range (4)

I believe the answer is:

alps

(Other definitions for alps that I've seen before include "high points" , "Mountains in Central Europe" , "Mont Blanc mountains" , "Swiss mountains" , "Mountain system in south-central Europe" .)

I've seen this clue in the Universal.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.