1. The Alps: The Alps is the most extensive mountain range in Europe, stretching for over 1,200 km (750 miles) across eight countries from France in the west to Slovenia in the east. Some of the highest peaks in the Alps include Mont Blanc (4,808 m / 15,774 ft), Monte Rosa (4,634 m / 15,203 ft), and the Matterhorn (4,478 m / 14,692 ft).
2. The Pyrenees: The Pyrenees is a mountain range that forms the natural border between France and Spain. It stretches for about 430 km (270 miles) from the Atlantic Ocean in the west to the Mediterranean Sea in the east. The highest peak in the Pyrenees is Aneto (3,404 m / 11,168 ft).
3. The Apennines: The Apennines is a mountain range that forms the backbone of Italy, stretching for about 1,200 km (750 miles) from the Ligurian Sea in the northwest to the Strait of Messina in the southeast. The highest peak in the Apennines is Corno Grande (2,912 m / 9,554 ft).
4. The Carpathians: The Carpathians is a mountain range that forms a horseshoe shape across Central and Eastern Europe. It stretches for about 1,500 km (930 miles) from the Czech Republic in the west to Romania in the east. The highest peak in the Carpathians is Gerlachovský štít (2,655 m / 8,711 ft).
5. The Balkan Mountains: The Balkan Mountains is a mountain range that forms the backbone of the Balkan Peninsula in Southeastern Europe. It stretches for about 550 km (340 miles) from Serbia in the northwest to Bulgaria in the southeast. The highest peak in the Balkan Mountains is Botev (2,376 m / 7,795 ft).
Other notable mountain ranges in Europe include the Caucasus Mountains, the Urals, the Scandinavian Mountains, and the Massif Central.