The longest river in France is the Loire River, while the Rhone River flows through southeastern France after rising in Switzerland and passing through Lake Geneva. The Seine is another important river that flows through northern France and serves as a commercial waterway within the Paris Basin. Some of the major mountains located in France include Mont Maudit in the Mont Blanc massif along the French-Italian border, Mont Blanc which is the highest peak in the Alps, and Mont Blanc du Tacul within the Graian Alps between Italy and southeastern France.