More than 20% of the entire area of the Alps is located in Switzerland, including 48 of the 82 peaks above 4000 m.

An excerpt from the article 45 facts about Switzerland

The average altitude of the Swiss Alps is 1700 m above sea level. The following Alpine ranges are distinguished there: the Bernese Alps, the Glarus Alps, the Lepontine Alps, the Livigno Alps, the Rhaetian Alps, the Pennine Alps, and the Mont Blanc massif.

The highest peak is Dufourspitze (4634 m above sea level) located in the Monte Rosa massif, west of the border with Italy.

The highest peak in the Jura Mountains is Mont Tendre (1679 m above sea level)