Which mountains would you have to cross get from northern Italy ro Switzerland?

To get from northern Italy to Switzerland, you would need to cross the Alps. The Alps are a mountain range that stretches across eight European countries, including Italy and Switzerland. The highest peak in the Alps is Mont Blanc, which is located on the border between France and Italy. Other notable peaks in the Alps include the Matterhorn, which is located on the border between Switzerland and Italy, and the Jungfrau, which is located in Switzerland.